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Choose from locations in San Diego, Imperial and Orange CountiesSandy Ahearn, N.P.
Location: Oceanside
Address: 3300 Vista Way Suite B, Oceanside, CA 92056
Phone: 760-967-9900
Fax: 760-967-6769
Sandy Ahearn joined Balboa Nephrology Medical Group in 2024. She provides coverage for dialysis clinics in North San Diego County.
Sandy received her Master of Science in Family Nurse Practitioner degree in 2017 from William Paterson University in New Jersey. Prior to receiving her NP, she worked in dialysis and nephrology settings for many years as an RN.
In her free time, Sandy enjoys traveling, being outdoors, hiking, paddle boarding, going to the beach, walking her dog, and spending time with her friends and family.
Zaid Al-Dahhan, M.D.
Location: Escondido
Address: 1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Dr. Al-Dahhan joined Balboa Nephrology in 2022 and practices in the Escondido area. Dr. Al-Dahhan attended medical school at Ross University School of Medicine and completed his Internal Medicine residency at University of Nevada Las Vegas and finished his fellowship at UCSD.
In his free time Dr. Al-Dahhan enjoys taking his dog to the beach, cooking and playing tennis.
Terry Behrend, M.D.
Location: Vascular Access Center
Address: 6402 El Cajon Blvd #100, San Diego, CA 92115
Phone: 619-582-4490
Fax: 619-582-4737
Dr. Behrend joined Balboa Nephrology Medical Group in 2001. He practices in the College area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Behrend attended medical school at the University of Michigan where he obtained his Doctor of Medicine degree. He went on to complete both his residency and Nephrology fellowship training at Barnes-Jewish Hospital in St. Louis Missouri.
Outside of work, Dr. Behrend enjoys anything technology related, snowboarding and college football.
Ramin Berenji, M.D.
Location: El Centro
Address: 2205 Ross Ave #101, El Centro, CA 92243
Phone: 760-353-0404
Fax: 760-353-0392
Hours: 8am – 5pm
Dr. Berenji joined Balboa Nephrology Medical Group in 2006. He practices in the El Centro and Brawley area; specializing in kidney diseases which includes hemodialysis patients at Fresenius Medical Care.
Dr. Berenji attended medical school at the University Of Hamburg School Of Medicine, in West Germany where he obtained his Doctor of Medicine degree. After he completed his residency at Good Samaritan Hospital/John Hopkins School of Medicine in Baltimore, Maryland, he completed his Nephrology fellowship training at Stanford University.
Dr. Berenji holds the following Memberships: American Medical Association, California Medical Association, Imperial County Medical Society, American Society of Nephrology and American College of Physicians. He has been awarded the Fellow of American College of Physicians and the Fellow of American Society of Nephrology.
Dr. Berenji is Vice President of Balboa Nephrology Medical Group, Executive Vice President and Principal Investigator at Balboa Research. He is also a Clinical Instructor at Imperial Valley College and speaks German and Farsi.
He enjoys jazz, playing tennis, travel and photography.
Mark Boiskin, M.D.
Location: Encinitas
Address: 320 Santa Fe Drive Suite 212, Encinitas, CA 92024
Phone: 858-558-8150
Fax: 858-346-1024
Location: La Jolla
Address: 9834 Genesee Ave Suite 312, La Jolla, CA 92037
Phone: 858-558-8150
Fax: 858-346-1024
Location: Poway
Address: 15708 Pomerado Rd, Suite N205, Poway, CA 92064
Phone: 858-558-8150
Fax: 858-558-7601
Dr. Boiskin joined Balboa Nephrology Medical Group in 1999. He practices in the La Jolla, Poway and Encinitas area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units. He is also actively involved in research with Balboa Research.
Dr. Boiskin attended medical school at the University of Stellenbosch Medical School in South Africa where he obtained his Doctor of Medicine degree. After completing his residency at the University of Alberta in Canada, he completed his fellowship training at the University of California San Diego.
Spending time with his wife, daughter and son are the most important things to him. He enjoys helping his wife with her animal sanctuary, scuba diving with his daughter and exercising with his son. He is also involved with nature conservation and when he has time, he enjoys reading a good book.
Melanie Braytenbah, N.P.
Location: Chula Vista East
Address: 752 Medical Center Ct # 302, Chula Vista, CA 91911
Phone: 619-421-3361
Fax: 619-869-4378
Melanie Braytenbah (Akins) joined Balboa Nephrology Medical Group in 2018. She provides dialysis coverage at both FMC and DaVita Dialysis units throughout San Diego County.
Melanie received her Master of Science in Family Nurse Practitioner degree at Middle Tennessee State University.
In her free time, Melanie enjoys hiking, traveling, sightseeing, and outdoor activities with her dogs and loved ones.
Juan Calderon Molina, M.D.
Location: National City
Address: 655 Euclid Ave Suite 303, National City, CA 91950
Phone: 619-475-4900
Fax: 619-475-8373
Location: Vascular Access Center
Address: 6402 El Cajon Blvd #100, San Diego, CA 92115
Phone: 619-582-4490
Fax: 619-582-4737
Dr. Calderon Molina joined Balboa Nephrology Medical Group in 2016. He practices in the National City area; specializing in the management of chronic kidney disease with an emphasis on diabetic kidney disease and glomerular diseases. Dr. Calderon Molina’s practice includes the management of hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Calderon Molina attended medical school at the Pontificia Universidad Javeriana School of Medicine in Bogotá, Colombia, where he obtained his Doctor of Medicine degree. Dr. Calderon Molina completed both his Internal Medicine Residency and Nephrology Fellowship training at the Yale New Haven Hospital/Yale School of Medicine in New Haven, Connecticut. Dr. Calderon Molina is also a Fellow of the American Society of Nephrology (FASN). Dr. Calderon Molina is interested in quality outcomes and patient experience satisfaction.
Dr. Calderon Molina enjoys sports like tennis and soccer in his spare time and he is learning to play piano.
Angelica Camargo-Lowthers, N.P.
Location: Hillcrest
Address: 4060 Fourth Ave Suite 220, San Diego, CA 92103
Phone: 619-299-2350
Fax: 619-297-8379
Angelica Camargo-Lowthers joined Balboa Nephrology Medical Group in 2009. She provides dialysis coverage at both FMC and DaVita Dialysis units throughout San Diego County.
Angelica received her Master of Science in Nursing at San Diego State University and went on to receive her Family Nurse Practitioner certificate at the University of California San Diego.
Alan Cantillep, M.D.
Location: Fountain Valley
Address: 11100 Warner Ave # 218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Location: Orange
Address: 725 W. La Veta Avenue, Suite 110, Orange CA 92868
Phone: 714-641-9696
Fax: 714-641-1211
Dr. Cantillep joined Balboa Nephrology Medical Group in 2018. He practices in the Fountain Valley area; specializing in kidney diseases which includes hemodialysis patients at both Fresenius and DaVita Dialysis units.
Dr. Cantillep was raised in the San Francisco Bay Area and completed his undergraduate studies at the University of California, Irvine. He attended medical school at Michigan State University, where he was a member of the Leadership in Medicine for the Underserved and Vulnerable program. He returned to sunny Southern California for residency at St. Mary Medical Center in Long Beach, CA. He then completed a year as a Chief Resident followed by a year as an attending hospitalist. He went on to Nephrology fellowship training at the University of Southern California. During his time as a fellow he performed research in bedside ultrasound and received an award for his quality improvement work.
Outside of medicine, Dr. Cantillep can often be found working on his cooking technique, exercising, or enjoying life with his wife and young daughter.
Thanh Cao, D.O.
Location: Fountain Valley
Address: 11100 Warner Ave # 218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Location: Orange
Address: 725 W. La Veta Avenue, Suite 110, Orange CA 92868
Phone: 714-641-9696
Fax: 714-641-1211
Dr. Cao joined Balboa Nephrology 2021 and practices in the Fountain Valley area. The son of Vietnamese refugees, his mother was 8 months pregnant with me when she boarded a refugee boat in Cambodia. Dr. Cao’s family lived in refugee camps in Thailand and the Philippines until the United Nations eventually moved his family to the United States when he was 2. He grew up in Little Saigon in Orange County, California and have lived there most of his life.
Dr. Cao completed his undergraduate studies at the University of California, Irvine and earned a B.S. in Biological Sciences with a minor in Anthropology. He attended medical school at Touro University Nevada, College of Osteopathic Medicine and completed his internship and residency in Internal Medicine at Valley Hospital Medical Center in Las Vegas.
Dr. Cao completed his fellowship in Nephrology at the Keck School of Medicine at USC. Fellowship training was extremely unique in that he trained during the height of a global pandemic. During those unique times, he was challenged to think outside the box and develop new skills in extracorporeal blood purification. After completing the fellowship, he is grateful and enthusiastic to finally return home to Orange County to give back to the large Vietnamese community in the area.
Fharak Maa Chip, M.D.
Location: National City
Address: 655 So. Euclid Ave Suite 303, National City, CA 91950
Phone: 619-475-4900
Fax: 619-475-8373
Dr. Maa joined Balboa Nephrology Medical Group in 2014. He practices in the National City area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Maa attended medical school at Universidad Autonoma de Baja California in Mexicali where he obtained his Doctor of Medicine degree. After completing his residency at Alameda County Medical Center, he completed his Nephrology fellowship at UCLA Harbor Medical Center.
Tepsiri Chongkrairatanakul, M.D.
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Dr. Tepsiri Chongkrairatanakul or “ Dr. Chong” joined Balboa Nephrology in 2018. He practices at Sharp Memorial Hospital and covers the Sharp Metro area. He specializes in a variety of kidney diseases, glomerular diseases, kidney stone prevention, dialysis, and hypertension. He has a special interest in kidney and pancreas transplants and is part of the transplant team at Sharp Memorial Hospital.
Dr. Chong obtained his Doctor of Medicine degree from Mahidol University in Bangkok, Thailand. He completed his internal medicine residency and chief residency at Bassett Medical Center in New York. He completed his Nephrology Fellowship at Boston University followed by a Transplant Nephrology fellowship at the Medical College of Wisconsin. He very much enjoyed teaching and was an Assistant Professor as well as Associate Program Director of Nephrology Fellowship training at the Medical College of Wisconsin.
In free time, he enjoys cooking Thai food, jogging and reading with his 3-year-old twin daughters.
Qasim Choudry, M.D.
Location: Escondido
Address: 1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Location: Vascular Access Center
Address: 6402 El Cajon Blvd #100, San Diego, CA 92115
Phone: 619-582-4490
Fax: 619-582-4737
Dr. Choudry joined Balboa Nephrology in 2023. He graduated from St. George’s University of Medicine. Following medical school, Dr. Choudry completed his residency at Kaiser Permanente Medical Center in Santa Clara, and subsequently pursued a nephrology fellowship at the University of Louisville. For 15 years, Dr. Choudry practiced at a single specialty nephrology practice in Louisville, Kentucky, with a particular emphasis on Interventional Nephrology.
Recently, Dr. Choudry relocated to San Diego to be closer to his family. In his free time, he enjoys staying active through running, trekking, and playing basketball with his two boys.
Blythe Corgiat, N.P.
Location: Fountain Valley
Address: 11100 Warner Ave #218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Blythe joined Balboa Nephrology Medical Group in 2024 after working as a Registered Nurse in the Emergency Department.
Blythe received her Bachelors of Science degree at University of California San Diego. She completed her bachelor of science in nursing at Concordia University and received her Masters of Science in Nursing for Family Nurse Practitioner from United States University.
In her free time, Blythe enjoys cooking, staying active and spending time with her family and friends.
Jessica Cruz Whitley, M.D.
Location: Chula Vista East
Address: 752 Medical Center Ct # 302, Chula Vista, CA 91911
Phone: 619-421-3361
Fax: 619-869-4378
Dr. Cruz Whitley joined Balboa Nephrology in January 2023. She attended medical school at the University of California San Diego where she was a part of the Program in Medical Education with a focus on Health Equity (PRIME-HEq). Dr. Whitley completed an internal medicine residency in the primary care track at the University California Davis. She completed nephrology fellowship training at the Brigham and Women’s Hospital and Massachusetts General Hospital Joint Nephrology Program where she received the program’s inaugural Humanism in Medicine Award.
Dr. Whitley went on to complete palliative care training at the Harvard Interprofessional Palliative Care Fellowship Program. She is interested in integrating palliative care and nephrology with a focus on advanced care planning, shared decision making and supportive care of kidney patients, as well as increasing access to palliative medicine to underserved communities.
She is a native San Diegan and is happy to return to her hometown.
Abraham Daneshvar, P.A.
Location: Escondido
Address: 1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Abraham Daneshvar joined Balboa Nephrology Medical group in 2016. He graduated from medical school in Iran in 1998 and practiced there as a family physician for 7 years until coming to the United States in 1995.
Abraham received his Master’s Degree in Physician Assistant Studies from University of Detroit Mercy in 2002 and since then, has been practicing as a Nephrology Physician’s Assistant.
He enjoys spending his free time with his wife and son, hiking, swimming, biking and reading.
Sandeep Dang, M.D.
Location: Fountain Valley
Address: 11100 Warner Ave # 218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Location: Huntington Beach
Address: 19582 Beach Blvd Suite 314, Huntington Beach, CA 92648
Phone: 714-641-9696
Fax: 714-641-1211
Location: Newport Beach
Address: 320 Superior Ave Suite 350, Newport Beach, CA 92663
Phone: 714-641-9696
Fax: 714-641-1211
Dr. Dang joined Balboa Nephrology Medical Group in 2020 after 14 years of private practice. He is board certified in Internal Medicine and Nephrology and practices in the Orange County area; specializing in kidney diseases which include hemodialysis and peritoneal dialysis patients at both Fresenius Medical Care and DaVita Dialysis units.
Dr. Dang was raised in Orange County and even sees patients at the hospital in which he was born. He is a USC Lifer – Go, Trojans! Dr. Dang attended undergraduate and medical school at the University Of Southern California Keck School Of Medicine where he obtained his Doctor of Medicine degree. He then went on to complete his residency and Fellowship at LA+USC Medical Center.
When he is not seeing patients, Dr. Dang enjoys traveling the world with his wife and three children. He is an avid watcher of the Clippers and USC Football. Dr. Dang loves to run and bike on the beautiful Orange County trails and has recently taken up golf to give his old knees a break.
Jason Davis, M.D.
Location: Hillcrest
Address: 4060 Fourth Ave Suite 220, San Diego, CA 92103
Phone: 619-299-2350
Fax: 619-297-8379
Dr. Davis joined Balboa Nephrology Medical Group in 2012. He practices in the Hillcrest, Coronado and Sharp Metro area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Davis attended medical school at the University of Washington School of Medicine where he obtained his Doctor of Medicine degree. After completing his residency at Scripps Mercy Hospital, he completed his Nephrology fellowship training at the University of California San Diego.
Dr. Davis enjoys hiking, paddle boarding, in-line skating, and spending time with his family.
Luan Do, M.D.
Location: La Mesa
Address: 8851 Center Dr Suite 505, La Mesa, CA 91942
Phone: 619-461-3880
Fax: 619-461-3895
Dr. Do joined Balboa Nephrology Medical Group in 2002. He practices in the La Mesa area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Do attended medical school at the University of California Irvine where he obtained his Doctor of Medicine degree and completed both his residency and Nephrology fellowship training.
He spends time doing everything he did not do during the week in his off time.
Karynne Ednacot, N.P.
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost Street, #100 San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Karynne Ednacot joined Balboa Nephrology in 2024. She is a San Diego native and graduated Magna Cum Laude from San Diego State University in 2014 with a Bachelor of Science in Public Health, focusing on Health Sciences. She completed the 15-month accelerated nursing program at Roseman University Health Sciences in Henderson, Nevada, earning her second Bachelor’s degree in Nursing in 2016. Karynne supports the Frost Street clinic in San Diego.
Karynne began her nursing career in Las Vegas, NV, gaining experience in medical-surgical, hemodialysis, and peritoneal dialysis. Since 2018, she has served patients at both the North and South regional clinics in San Diego. She pursued a Master’s degree in Family Nurse Practitioner (FNP) from United States University in San Diego, graduating in 2022. She achieved her FNP-C certification in 2023 while continuing to serve patients full-time.
Outside of work, Karynne enjoys trying new restaurants, new food, exploring the outdoors, traveling, working out at the gym, taking care of her house plants, and reading a thriller or cozy book with a hot tea or iced matcha!
George Fadda, M.D.
Location: La Mesa
Address: 8851 Center Dr Suite 505, La Mesa, CA 91942
Phone: 619-461-3880
Fax: 619-461-3895
Dr. Fadda joined Balboa Nephrology Medical Group in 1992. He practices in the La Mesa area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Fadda attended medical school at American University of Beirut where he obtained his Doctor of Medicine degree and completed his residency. He completed his Nephrology fellowship at the University of Southern California Medical Center Los Angeles.
Dr. Fadda was an assistant professor of Medicine and Nephrology at the University of Southern California in Los Angeles before he joined Balboa Nephrology Medical Group. He has also authored more the 45 articles and is the founder of Balboa Research, formerly California Institute of Renal Research.
Arman Faravardeh, M.D
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Dr. Faravardeh joined Balboa Nephrology Medical Group in 2014. He practices in the Sharp Metro area, specializing in kidney diseases including hemodialysis patients at both FMC and DaVita Dialysis units. Dr. Faravardeh is also a Principal Investigator for Balboa Research.
Dr. Faravardeh attended medical school at the Medical College of Wisconsin where he obtained his Doctor of Medicine degree and completed his residency. He completed his Nephrology fellowship at the University of Minnesota.
In his free time, he enjoys hiking, biking, reading history and science, and traveling.
Michael Floied, P.A.
Location: Fountain Valley
Address: 11100 Warner Ave # 218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Michael Floied joined Balboa Nephrology Medical Group in 2020. He is originally from Lansing, Michigan with a background in physical therapy. Michael moved to Los Angeles and graduated from Charles R Drew University, Master of Health Science Physician Assistant Program in 2011. He relocated to Long Beach and has been practicing in nephrology ever since. He enjoys spending his free time with his wife and two boys, friends, listening music and watching sports especially his favorite team the Detroit Red Wings.
Joshua Greenstein, M.D.
Location: Escondido
Address: 1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Location: Poway
Address: 15708 Pomerado Rd, Suite N205, Poway, CA 92064
Phone: 760-294-1660
Fax: 760-745-5016
Dr. Greenstein joined Balboa Nephrology Medical Group in 2016. He practices in the Escondido and Poway area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Greenstein attended medical school at the University of California Los Angeles where he obtained his Doctor of Medicine degree and completed residency. He completed his Nephrology fellowship training at the Stanford University School of Medicine.
When not working, Dr. Greenstein likes to read, walk his dog, search for his cat who likes to hide in the remotest parts of the house, and go to the beach with his two daughters, son and wife.
Jeffrey Halldorson, M.D.
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Dr. Halldorson joined Balboa Nephrology Medical Group in 2017. He is a General Surgeon specializing in kidney transplantation at Sharp Memorial where he is also the Surgical Director of Transplantation.
Dr. Halldorson attended medical school at the University of Michigan where he obtained his Doctor of Medicine degree. After completing his residency at the University of Pennsylvania, he completed his Molecular Biology/Gene Therapy Post-Doctoral fellowship training followed by his Transplant fellowship training at The University of San Francisco.
In his free time, he likes to cycle, sail, hike and cook.
John Hammes, M.D.
Location: Hillcrest
Address: 4060 Fourth Ave Suite 220, San Diego, CA 92103
Phone: 619-299-2350
Fax: 619-297-8379
Dr. Hammes joined Balboa Nephrology Medical Group in 2013. He practices in the Hillcrest and Coronado area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Hammes attended medical school at the Uniformed Services University of the Health Science F. Edward Herbert School of Medicine in Bethesda, Maryland, where he obtained his Doctor of Medicine degree. After completing his residency at the Naval Medical Center San Diego, he completed his Nephrology fellowship training at the University of California San Diego.
When not caring for patients, Dr. Hammes spends a lot of time outdoors running, surfing, and cycling with his children. He likes to fish, play ukulele, cook, and tinker with his 1990 VW van.
Marquis Hart, M.D.
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Dr. Marquis Hart joined Balboa Nephrology Medical Group in 2020. He is a board-certified surgeon with over 30 years of experience in the medical field. He is a specialist in transplant, hepatobiliary and general surgery.
Dr. Hart received his Bachelor of Science in Biology from Stanford University, followed by a Doctor of Medicine from Johns Hopkins School of Medicine. After finishing his surgical residency at Cedars Sinai Medical Center, he completed his fellowship training in general surgery and liver transplantation at Rush Presbyterian Medical Center. In 1993, Dr. Hart established the liver transplant program at the University of California San Diego and served as the director of the abdominal transplant programs. Dr. Hart developed the liver transplant program at Swedish Medical Center and served as the director of transplant programs until 2019.
Dr. Hart is committed to helping his patients return to living healthy, productive lives. In his spare time he enjoys photography and spending time with his three beautiful daughters and two grandchildren.
Joseph Hebreo, M.D.
Location: Escondido
Address: 1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Dr. Hebreo joined Balboa Nephrology Medical Group in 2016. He practices in the Escondido area; specializing in kidney diseases which includes hemodialysis and peritoneal patients at DaVita Dialysis units. He is also a Principal Investigator for Balboa Research.
Dr. Hebreo attended medical school at Albert Einstein College of Medicine where he obtained his Doctor of Medicine degree. After completing his residency at the Naval Medical Center San Diego, he completed his Nephrology fellowship training at Walter Reed Army Medical Center/National Naval Medical Center in Washington DC.
He is a big Padres fan who enjoys watching sports and movies along with spending time with his wife and two sons.
Maria Jose Herrera, N.P.
Location: El Centro
Address: 2205 Ross Ave #101, El Centro, CA 92243
Phone: 760-353-0404
Fax: 760-353-0392
Hours: 8am – 5pm
Maria Jose joined Balboa Nephrology Medical Group in 2023, after serving as Dialysis Registered Nurse since 2014. She provides dialysis coverage at FMC units throughout Imperial County.
Maria Jose received her first Masters of Science in Nursing with emphasis in Leadership from Grand Canyon University in 2018 and decided to return to school to be closer to patients. She received her second Masters of Science in Nursing for Family Nurse Practitioner in 2022 from United States University.
In her free time, Maria Jose enjoys spending time with her daughters and husband traveling. She likes to read when she is able to have some quite time at home.
Adam Horeish, M.D.
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Dr. Horeish joined Balboa Nephrology Medical Group in 2015. He practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units. Dr. Horeish is also a Principal Investigator for Balboa Research.
Dr. Horeish attended medical school at Ross University School of Medicine where he obtained his Doctor of Medicine degree. After completing his residency at Western Reserve Care System in Youngstown, Ohio, he completed his Nephrology fellowship training at the University of Vermont.
Shahid Hussain, M.D.
Location: El Centro
Address: 2205 Ross Ave #101, El Centro, CA 92243
Phone: 760-353-0404
Fax: 760-353-0392
Hours: 8am – 5pm
Dr. Hussain joined Balboa Nephrology Medical Group in 2006. He practices in the El Centro and Brawley area; specializing in kidney diseases which includes hemodialysis, peritoneal dialysis at FMC Dialysis units. He is dual board certified in Internal Medicine and Nephrology and is also a certified interventional nephrologist, and performs hemodialysis access procedures in the Imperial Valley. He is also a sub investigator in the California Institute of Renal Research, El Centro.
Dr. Hussain attended medical school at Punjab Medical School in Faisalabad, Pakistan, where he obtained his Doctor of Medicine degree. After he completed his residency at St. Francis Medical Center in (UPMC), he completed his Nephrology fellowship training at Allegheny General Hospital in Pittsburgh, Pennsylvania.
He enjoys traveling to all parts of the world, spending time with his family and trading and investing in the stock market as a hobby.
Kathy Khaing, M.D.
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Dr. Khaing joined Balboa Nephrology Medical Group in 2018. She practices in the Chula Vista area; specializing in kidney diseases which include hemodialysis and Peritoneal dialysis patients at both Fresenius and DaVita Dialysis units.
Dr. Khaing attended medical school at the University of Medicine 1 Yangon, where she obtained her Medicine degree in 2006. She completed her residency training at the Saint Peter’s University Hospital and her Nephrology fellowship training at the Olive View UCLA medical center.
In her spare time, she enjoys swimming, hiking and cooking and playing with her 2 kids.
Talar Kharadjian, M.D.
Location: Oceanside
Address: 3300 Vista Way Suite B, Oceanside, CA 92056
Phone: 760-967-9900
Fax: 760-967-6769
Dr. Kharadjian joined Balboa Nephrology Medical Group in 2021. Dr. Kharadjian practices in the Oceanside area, specializing in the prevention and treatment of all forms of kidney disease, including hypertension, kidney transplant, and dialysis care.
Dr. Kharadjian attended medical school at Indiana University. After completing a residency in Internal Medicine at the University of Wisconsin, she completed a fellowship in Nephrology at the University of California, San Diego. Given her background in Comparative Literature, she brings an appreciation of the medical humanities and bioethics to her practice of the art of medicine.
In her free time, she enjoys hiking, reading, and gardening.
Osman Khawar, M.D.
Location: Escondido
Address:1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Dr. Khawar joined Balboa Nephrology Medical Group in 2016. He practices in the Escondido area; specializing in kidney diseases which includes hemodialysis patients and transplant patients. He has a particular passion for home dialysis methods in particular: both Home Hemodialysis and Peritoneal dialysis. He is also a Principal Investigator for Balboa Research.
Dr. Khawar attended medical school at Glasgow University and then obtained a Masters from the John Hopkins School of Public Health.. After completing his residency at St. Mary Medical Center in Long Beach, he completed his Nephrology training at Harbor-UCLA.
Dr. Khawar also works in the medical device industry as Chief Executive Officer for a company developing a novel home hemodialysis machine. In his free time, he spends time with his family, travels and is currently learning the electric guitar.
Min Krishnamurthy, M.S., R.D.
Location: Chula Vista West
Address: 340 4th Ave. #4 Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Location: National City
Address: 655 Euclid Ave Suite 303, National City, CA 91950
Phone: 619-475-4900
Fax: 619-475-8373
Min Krishnamurthy is a Registered Dietitian Nutritionist (RDN) who joined Balboa Nephrology in 2023. She sees patients in Chula Vista and National City and is passionate about empowering individuals through personalized nutrition counseling.
Min holds a Master of Science in Nutrition from Bastyr University and completed her dietetic internship through Virginia Tech. She leverages her background in functional medicine, intuitive eating, and mindfulness to create sustainable, enjoyable dietary plans.
Prior to dietetics, Min enjoyed a successful career in information technology and business consulting. Seeking a more fulfilling path, she transitioned to nutrition, driven by the power of preventative medicine through whole foods.
Min offers individual consultations, group education sessions, and creates informative content to guide patients on their wellness journeys. She enjoys connecting with each individual and tailoring plans to meet their unique needs and goals.
In her free time, Min enjoys traveling, exploring new cultures and cuisines, and spending time at the beach.
Naing Kyaw, M.D.
Location: Oceanside
Address: 3300 Vista Way Suite B, Oceanside, CA 92056
Phone: 760-967-9900
Fax: 760-967-6769
Hours: M,W,F 9a -5p
Hours: T,TH 9a – 4p
Dr. Kyaw joined Balboa Nephrology Medical Group in 2015. He practices in the Oceanside area; specializing in treatment of patients with all manner of kidney disease, including the care of dialysis patients and kidney transplant recipients.
Dr. Kyaw attended medical school at the Institute of Medicine in Burma where he obtained his Doctor of Medicine degree. After completing his residency at the University of Texas Southwestern in Dallas, he completed his fellowship training at Stanford University. He is ABIM Board Certified in Nephrology and Internal Medicine. Dr. Kyaw is a certified Hypertension Specialist with American Society of Hypertension. He also holds certification in Nephrology specialty from United Kingdom Federation of Royal Colleges of Physicians.
In his spare time, he enjoys traveling, running and spending time outdoors with his two boys.
Yogita Lakhera, M.D.
Location: La Jolla
Address: 9834 Genesee Ave Suite 312, La Jolla, CA 92037
Phone: 858-558-8150
Fax: 858-346-1024
Hours: 8:30 am – 4:30 pm
Dr. Lakhera joined Balboa Nephrology Medical Group in 2016. She practices in the La Jolla area, specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Lakhera attended medical school at Lady Hardinge Medical College in New Delhi, India, where she obtained her Doctor of Medicine degree. After completing her residency at Barnabas Health in New Jersey, she completed her fellowship training at Loma Linda University.
In her spare time, she loves working out, hiking, swimming, singing and dancing. She also enjoys takes weekly piano lessons.
Daniel Leininger, D.O.
Location: La Mesa
Address: 8851 Center Dr Suite 505, La Mesa, CA 91942
Phone: 619-461-3880
Fax: 619-461-3895
Dr. Leininger Joined Balboa Nephrology Medical Group in 2022 and practices in the East County La Mesa area as well as at Sharp Rees-Stealy Clinics.
He attended medical school at Western University, College of Osteopathic Medicine of the Pacific. He completed his residency at Loma Linda University where he went on to finish his fellowship in nephrology at UC San Diego. He is grateful to continue serving patients with kidney disease in San Diego and specializes in all forms of chronic kidney disease, hypertension, and dialysis.
Outside of medicine, Dr. Leininger enjoys snowboarding, mountain biking, visiting national parks, and traveling with his wife.
Andrew Liu, M.D.
Location: Oceanside
Address: 3300 Vista Way Suite B, Oceanside, CA 92056
Phone: 760-967-9900
Fax: 760-967-6769
Hours: MWF 9a -5p
Hours: T,TH 9a – 4p
Dr. Liu joined Balboa Nephrology in August 2023 and specializes in all aspects of kidney disease, including chronic kidney disease, hypertension, dialysis, and kidney transplant management.
Dr. Liu attended medical school at Hofstra/Northwell School of Medicine in Long Island, New York, where he obtained his Doctor of Medicine Degree. After completing his residency in Internal Medicine at University of California, Irvine, he completed his nephrology fellowship at University of California, San Diego.
He grew up in Taiwan and is fluent in Mandarin. In his free time, he enjoys hiking, landscape photography, and playing table tennis.
Elizabeth Lozada, M.D.
Location: Chula Vista East
Address: 752 Medical Center Ct # 302, Chula Vista, CA 91911
Phone: 619-421-3361
Fax: 619-869-4378
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Dr. Lozada joined Balboa Nephrology Medical Group in 2005. She practices in the Chula Vista area; specializing in all aspects of kidney disease including renal replacement therapies. She has been the Medical Director of a south San Diego dialysis unit for the last 15 years.
Dr. Lozada attended medical school at the University of California Los Angeles where she obtained her Doctor of Medicine degree. She completed both her residency and Nephrology fellowship at the New York Presbyterian Hospital/Weill Cornell Medical Center.
Guy Lund, M.D.
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Dr. Lund joined Balboa Nephrology Medical Group in 2008. He practices in the San Diego Metro area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Lund attended medical school at Naval Medical Center, San Diego where he obtained his Doctor of Medicine degree and completed his residency. He completed his Nephrology fellowship at the University of California San Diego.
In his free time, he enjoys cooking, reading, and spending time with his wife.
Amy Matayoshi, M.D.
Location: Oceanside
Address: 3300 Vista Way Suite B, Oceanside, CA 92056
Phone: 760-967-9900
Fax: 760-967-6769
Hours: MWF 9a -5p
Hours: T,TH 9a – 4p
Dr. Matayoshi joined Balboa Nephrology Medical Group in 2015. She practices in the Oceanside area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Matayoshi attended medical school at the University of Hawaii where she obtained her Doctor of Medicine degree. She completed both her residency and Nephrology fellowship at the University of California Davis Medical Center.
Danielle McCallion, N.P.
Location: La Mesa
Address: 8851 Center Dr Suite 505, La Mesa, CA 91942
Phone: 619-461-3880
Fax: 619-461-3895
Danielle McCallion joined Balboa Nephrology Group in 2021. She provides dialysis coverage at both FMC and DaVita dialysis units throughout San Diego County.
Danielle received her Bachelors of Science degree at the University of Oregon. She received her Master’s in Nursing at San Francisco State university and went on to receive her Family Nurse Practitioner certificate at Bradley University in Peoria Illinois.
In her free time, she enjoys hiking and traveling with her family.
Jill Meyer, M.D.
Location: Chula Vista East
Address: 752 Medical Center Ct # 302, Chula Vista, CA 91911
Phone: 619-421-3361
Fax: 619-869-4378
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Dr. Meyer joined Balboa Nephrology Medical Group in 2009. She practices at Sharp Chula Vista Hospital and two offices in the Chula Vista area. She specializes in hypertension and kidney disease and cares for patients on hemodialysis at both FMC and DaVita Dialysis units.
Dr. Meyer attended medical school at the American University in Coral Gables, Florida where she obtained her Doctor of Medicine degree. After completing her residency at Hennepin County Medical Center in Minneapolis, Minnesota, she earned her Nephrology fellowship at Emory University in Atlanta, Georgia. Dr. Meyer is also a Principal Investigator for Balboa Research, formerly California Institute for Renal Research (CIRR). Dr. Meyer speaks Spanish and serves as a Member of the Board for Balboa Nephrology.
In her free time, she enjoys downhill skiing, running and spending time at the beach with her two beautiful girls.
Lucy Miller, M.D.
Location: La Mesa
Address: 8851 Center Dr Suite 505, La Mesa, CA 91942
Phone: 619-461-3880
Fax: 619-461-3895
Dr. Miller moved from San Francisco to San Diego in 1996 to attend a Nephrology Fellowship at UCSD. She loved this beautiful city and its community that she was honored to be able to join Balboa Nephrology Medical Group.
Dr. Miller has a very dynamic and eclectic practice, where she shares her time at clinic work, hospitals and directorship at Dialysis Unit where she promotes leadership and betterment of patients and staff.
She has a very diverse background, growing up in Sao Paulo, Brazil, with a Japanese heritage, coming to the USA to study and establishing a family with two beautiful boys. She speaks English, Spanish, Portuguese, and Japanese and now she is truly interested in learning Arabic.
As a child, she enjoyed observing the animals in the wild and caring for them, and the curiosity of treasures of the world. She carries the same enthusiasm to date as climbing to the base camp of Mount Everest and learning about the less fortunate or Scuba in the Red Sea and sharing space with this troubled area.
David Namazy, M.D.
Location: Vascular Access Center
Address: 6402 El Cajon Blvd #100, San Diego, CA 92115
Phone: 619-582-4490
Fax: 619-582-4737
Dr. Namazy joined Balboa Nephrology Medical Group in 2001. He practices in the College area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Namazy attended medical school at the University of Texas Medical School where he obtained his Doctor of Medicine degree. After completing his residency at the University of Texas Health Science Center in Houston, he completed his Nephrology fellowship at the University of Texas – Southwestern Medical Center in Dallas.
Dr. Namazy also specializes in management of dialysis vascular access and non-surgical arteriovenous fistula creation and is certified by the American Society of Diagnostic and Interventional Nephrology.
In his free time, he enjoys travel and exercise.
Mohammed Neyaz, D.O.
Location: Escondido
Address:1955 Citracado Parkway, Suite 301, Escondido, CA 92029
Phone: 760-294-1660
Fax: 760-745-5016
Hours: 8am – 5pm
Location: Poway
Address: 15708 Pomerado Rd, Suite N205, Poway, CA 92064
Phone: 760-294-1660
Fax: 760-745-5016
Dr. Neyaz joined Balboa Nephrology Medical Group in 2016. He practices in the Escondido area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Neyaz attended medical school at Nova Southeastern University College of Osteopathic Medicine in Ft. Lauderdale, Florida, where he obtained his Doctor of Medicine degree. He then went on to complete his residency and fellowship training at Ingham Regional Medical Center in Lansing, Michigan.
He enjoys spending time with his family, watching basketball, football and horror movies (specializing in Zombies). He enjoys playing backyard soccer and football with his wife and kids.
Viet Nguyen, M.D.
Location: Hillcrest
Address: 4060 Fourth Ave Suite 220, San Diego, CA 92103
Phone: 619-299-2350
Fax: 619-297-8379
Dr. Nguyen joined Balboa Nephrology Medical Group in 2020. He practices in the Hillcrest and Coronado area; specializing in kidney diseases which includes chronic kidney disease and dialysis.
Dr. Nguyen attended medical school at the Medical College of Virginia in Richmond, Virginia where he obtained his Doctor of Medicine degree. After completing his residency at the Scripps Mercy Internal Medicine Residency in San Diego, he completed his Nephrology fellowship training at the University of California San Diego.
In his free time, Dr. Nguyen spends time with his family and enjoys exploring San Diego.
Jennifer Olesco, N.P.
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Jennifer Olesco joined Balboa Nephrology Medical Group in 2022. She provides dialysis coverage at Fresenius Kidney Care, US Renal Care, and DaVita Dialysis in San Diego.
Jennifer has a background in providing hemodialysis and peritoneal dialysis care as a registered nurse. She received her Master of Science in Family Nurse Practitioner at Walden University.
In her free time, she teaches fitness training and sings in the local church band.
Amar Patel, M.D.
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Dr. Amar V. Patel joined Balboa Nephrology Medical Group in 2019. He practices in the South Bay – Chula Vista area; specializing in kidney diseases including electrolyte imbalance, hypertension, and dialysis.
Dr. Patel was born and raised in Pittsburgh, Pennsylvania (Go Steelers!). He completed his undergraduate studies at New York University and obtained his medical degree from St. George’s University. He completed residency at Rochester General Hospital in Rochester, NY and his fellowship at SUNY Downstate in Brooklyn, NY. As a physician, Dr. Patel prides himself on improving patient care. He researches advancements in medicine, but also takes time to learn about challenges patients and their families face in the everyday healthcare experience. It is both the science and the human element that has drawn him to a career in nephrology.
Outside of work, Dr. Patel is quick with a joke, nimble on the dance floor, and a 3-time Fantasy Football Champion. Though, what he enjoys most is basking in the San Diego sunshine with his wife, 2-year-old son, and dog.
Jennifer Pham, M.D.
Location: Chula Vista West
Address: 340 4th Ave. #4 Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Dr. Pham joined Balboa Nephrology in 2023. She practices in the Chula Vista area and is trained to manage all forms of kidney-related diseases and conditions, including hypertension, chronic kidney diseases, kidney transplants, and dialysis needs.
Dr. Pham grew up in Los Angeles and went to UC Irvine for her undergraduate degree in the biological sciences. She went on to obtain her medical degree from the University of Queensland in Brisbane, Australia and completed her Internal Medicine residency training at the Ochsner Clinical Foundation in New Orleans, Louisiana. After a long trip around the world, she returned to California to pursue Nephrology training at UC San Diego.
In her spare time, Dr. Pham enjoys reading, traveling, cooking, and playing board games. She is fluent in English and Vietnamese.
Cindi Polis, R.N.
Location: Chula Vista
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Location: Hillcrest
Address: 4060 Fourth Ave Suite 220, San Diego, CA 92103
Phone: 619-299-2350
Fax: 619-297-8379
Location: San Diego
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Cindi Polis joined Balboa United in 2020 as the new Care Manager & Education Nurse. Cindi works with CKD patients to help optimize a healthier lifestyle and educate patients on different modality options for dialysis. She supports the Balboa Nephrology clinics covering San Diego County.
Cindi has her BSN in nursing from National University, San Diego, CA and her Business Degree from Golden Gate University, San Francisco, CA.
In her free time, she enjoys cooking, walking to the beach, swimming in the ocean, spending time with her family and enjoying beautiful sunsets.
Sina Rahimi, D.O.
Location: Balboa Nephrology at the Sharp Kidney Care/ Kidney & Pancreas Transplant and Hepatobiliary Clinic
Address: 8010 Frost St # 100, San Diego, CA 92123
Phone: 858-650-5000
Fax: 858-637-4701
Dr. Rahimi joined Balboa Nephrology Medical Group in 2021. He practices in the San Diego area specializing in kidney diseases at Sharp Rees-Stealy Clinics and Sharp hospital system.
Dr. Rahimi attended medical school at Rowan University School of Osteopathic Medicine in Stratford, New Jersey and after completing his Internal Medicine residency at Saint Michael’s Medical Center in Newark, New Jersey, he completed his Nephrology fellowship training at the University of California San Diego (UCSD).
In his spare time, he enjoys reading, being outdoors, going on hikes and playing soccer
Tagumpay Sacamay, M.D.
Location: National City
Address: 655 Euclid Ave Suite 303, National City, CA 91950
Phone: 619-475-4900
Fax: 619-475-8373
Dr. Sacamay joined Balboa Nephrology Medical Group in 1997. He practices in the National City area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Sacamay attended medical school at the University of Santo Tomas in Manila, Philippines. After completing his residency at Maimonides Medical Center in New York, he went on to complete his Nephrology fellowship training at the University of Virginia.
Oday Saeed, M.D.
Location: El Centro
Address: 2205 Ross Ave #101, El Centro, CA 92243
Phone: 760-353-0404
Fax: 760-353-0392
Hours: 8am – 5pm
Dr. Saeed joined Balboa Nephrology Medical Group in 2017. He practices in the El Centro and Brawley areas; specializing in kidney diseases which includes hemodialysis patients at FMC Dialysis unit.
Dr. Saeed attended medical school at the University of Baghdad College of Medicine where he obtained his Doctor of Medicine degree. After he completed his residency at Coney Island Hospital in New York, he completed his Nephrology fellowship training at Kaiser Permanente (LAMC) in Los Angeles.
In his free time, Dr. Saeed enjoys traveling, table tennis, playing guitar and swimming.
Ajit Sawhney, M.D.
Location: Fountain Valley
Address: 11100 Warner Ave # 218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Location: Huntington Beach
Address: 19582 Beach Blvd Suite 270, Huntington Beach, CA 92648
Phone: 714-641-9696
Fax: 714-641-1211
Dr. Sawhney joined Balboa Nephrology Medical Group in 2016. He practices in the Fountain Valley, Huntington Beach, and Newport Beach area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Sawhney attended medical school at SMS Medical College University of Rajasthan Jaipur, India, where he obtained his Doctor of Medicine degree. He started his residency at Coney Island Hospital, Brooklyn, New York, and went on to the V.A. Hospital in Long Beach and completed his residency at the University of California Irvine. He completed his Nephrology fellowship training at V.A. Hospital, Long Beach, and UCI Medical Center.
In his free time, he celebrates life with his family and enjoys music and travel.
Sajeet Sawhney, M.D.
Location: Fountain Valley
Address: 11100 Warner Ave # 218, Fountain Valley, CA 92708
Phone: 714-641-9696
Fax: 714-641-1211
Location: Irvine
Address: 16305 Sand Canyon Ave #220, Irvine, CA 92618
Phone: 714-641-9696
Fax: 714-641-1211
Dr. Sawhney joined Balboa Nephrology Medical Group in 2016. He practices in the Fountain Valley area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Sawhney attended medical school at St. George’s University School of Medicine, Grenada, West Indies where he obtained his Doctor of Medicine degree. After, he completed his residency at Weill Medical College of Cornell University in Flushing, New York. Dr. Sawhney completed his Nephrology fellowship at Cedars-Sinai Medical Center in Los Angeles, California.
He enjoys spending his free time behind the barbeque and making his family taste his new creations. He tries to celebrate everyday with his friends and family.
Nasim Shahbazi, M.D.
Location: El Centro
Address: 2205 Ross Ave #101, El Centro, CA 92243
Phone: 760-353-0404
Fax: 760-353-0392
Hours: 8am – 5pm
Dr. Shahbazi joined Balboa Nephrology in 2021. She currently practices in the El Centro area.
Dr. Shahbazi moved to Canada after graduating from medical school. She did her internal medicine residency at Queen’s University and her nephrology fellowship at the University of Ottawa. She worked at the University of Ottawa and then at the Northern Ontario School of Medicine as a nephrologist and assistant professor for ten years before moving to the United States to stay closer to her family.
Dr. Shahbazi has board certification in nephrology in Canada and in the United States. She is a member of the American Society of Nephrology and has been awarded the Fellow of the American Society of Nephrology.
She enjoys spending her free time with her family, reading, and traveling.
Ricardo Soltero, M.D.
Location: Chula Vista West
Address: 340 4th Ave #4, Chula Vista, CA 91910
Phone: 619-427-1144
Fax: 619-427-1185
Location: Chula Vista East
Address: 752 Medical Center Ct # 302, Chula Vista, CA 91911
Phone: 619-421-3361
Fax: 619-869-4378
Dr. Soltero joined Balboa Nephrology Medical Group in 2003. He practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Soltero attended medical school at Howard University College of Medicine where he obtained his Doctor of Medicine degree. After completing his residency at UCSF Alameda General Hospital in Oakland, he completed his fellowship training at the Kaiser Foundation Hospital in affiliation with UCLA.
Enjoli Spaulding, N.P.
Location: Vascular Access Center
Address: 6402 El Cajon Blvd #100, San Diego, CA 92115
Phone: 619-582-4490
Fax: 619-582-4737
Enjoli Spaulding joined Balboa United in 2018 as a Nurse Practitioner. Enjoli rounds at dialysis clinics, proving direct care to patients undergoing hemodialysis. She supports several dialysis clinics in San Diego County.
Enjoli has a Masters of Science in Nursing, Nurse Practitioner degree from San Diego State University and a Bachelors of Science in Nursing from Point Loma Nazarene University. She has been working as a Nurse Practitioner since 2012.
In her free time, she enjoys spending time adventuring with her husband and three children.
Dylan Steer, M.D.
Location: La Jolla
Address: 9834 Genesee Ave Suite 312, La Jolla, CA 92037
Phone: 858-558-8150
Fax: 858-346-1024
Dr. Steer joined Balboa Nephrology Medical Group in 2003. He practices in the La Jolla area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Steer attended medical school at Duke University where he obtained his Doctor of Medicine degree and completed his residency. He completed his Nephrology fellowship training at the University of California San Diego.
John Thompson, M.D.
Location: La Mesa
Address: 8851 Center Dr Suite 505, La Mesa, CA 91942
Phone: 619-461-3880
Fax: 619-461-3895
Dr. Thompson joined Balboa Nephrology Medical Group in 2009. He practices in the La Mesa area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Thompson attended medical school at the University of Kansas School of Medicine where he obtained his Doctor of Medicine degree. After completing his residency at the University of Iowa Hospitals and Clinics, he completed his Nephrology fellowship training at the University of California San Diego.
Karo Torosian, D.O.
Location: La Jolla
Address: 9834 Genesee Ave Suite 312, La Jolla, CA 92037
Phone: 858-558-8150
Fax: 858-346-1024
Dr. Torosian joined Balboa Nephrology Medical Group in 2017. He practices in the La Jolla area; specializing in kidney diseases which include kidney failure, hemodialysis, peritoneal dialysis, hypertension, kidney donor and recipient evaluation.
Dr. Torosian attended medical school at Western University, College of Osteopathic Medicine of the Pacific where he obtained his Doctor of Medicine degree. After completing his residency at Scripps Mercy Hospital, he completed his Nephrology fellowship training at the University of California San Diego.
Outside of medicine, he enjoys reading, playing piano, and long walks with his wife and children.
John Videen, M.D.
Location: Chula Vista East
Address: 752 Medical Center Ct # 302, Chula Vista, CA 91911
Phone: 619-421-3361
Fax: 619-869-4378
Dr. Videen joined Balboa Nephrology Medical Group in 2011. He practices in the Chula Vista area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Videen attended medical school at the University of Arizona where he obtained his Doctor of Medicine degree. He completed both his residency and Nephrology fellowship training at the University of California San Diego.
In his personal life, Dr. Videen enjoys all manors of outdoor activities, is married and a proud grandfather of a future major league pitcher.
Yan Zhong, M.D.
Location: Hillcrest
Address: 4060 Fourth Ave Suite 220, San Diego, CA 92103
Phone: 619-299-2350
Fax: 619-297-8379
Dr. Yan Zhong joined Balboa Nephrology in May 2022 and practices in the Hillcrest area. She provides care in both hospital inpatient and outpatient clinics. She offers consultations on acute renal failure, chronic kidney diseases, diabetic nephropathy, glomerulonephritis, nephrotic syndromes, polyuria, acid-base imbalance, electrolytes abnormalities, and kidney-related metabolic bone diseases. She specializes in hypertension management.
Dr. Zhong attended medical school at Nanjing Medical University in China and holds a Ph.D. degree in Vitamin D Metabolism from Rutgers University. After completing her residency at UCLA-Kern Medical Center and her Nephrology fellowship at USC-Keck School of Medicine, she served as the teaching attending at both Keck School of Medicine of USC and LAC-USC. She participated in a variety of clinical trials in diabetic kidney diseases and resistant hypertension while attending USC. She is fluent in both Mandarin and English.