Nephrologists in California
Data updated monthly · Last refresh October 2026
1,476 Nephrology providers practice in California, including 665 (45%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
1,476providers
665telehealth
Los Angelestop city
Nephrology by city in California
Choose a city to see providers there.
Nephrology providers in California
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Pooja Tanjavour, M.D.Victorville, CA · $113 in drug and device payments (2025) ·
(760) 241-8000 Dr. Prashanth Kumar, M.D.Victorville, CA · $220 in drug and device payments (2025) · Telehealth ·
(760) 241-3306 Dr. Sheila Cherian, MDVictorville, CA · $1,048 in drug and device payments (2025) ·
(760) 780-4179 Dr. Ajay Rachakonda, MDVisalia, CA · $1,128 in drug and device payments (2025) · Telehealth ·
(559) 228-6600 Dr. David Heaney, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 733-9707 Dr. Jonathan Keyes, MDVisalia, CA · $213 in drug and device payments (2025) ·
(559) 228-6600 Dr. Magdy Maksy, M.DVisalia, CA · No drug or device payments recorded (2025) ·
(559) 733-7336 Dr. Mohsen Thomas, MDVisalia, CA · $110 in drug and device payments (2025) ·
(559) 625-5210 Dr. Siddhartha Agrawal, M.D.Visalia, CA · No drug or device payments recorded (2025) ·
(559) 625-4118 Dr. Sreedhar Adapa, M.D.Visalia, CA · $334 in drug and device payments (2025) ·
(559) 228-6600 Dr. Tariq Javed, MDVisalia, CA · $29 in drug and device payments (2025) · Telehealth ·
(559) 625-4630 Dr. Tom Yang, M.D.Visalia, CA · $3,478 in drug and device payments (2025) ·
(559) 623-9636 Dr. Yasser Barsoum, MDVisalia, CA · $1,518 in drug and device payments (2025) · Telehealth ·
(559) 697-6290 Dr. Andrew Lin, M.D.Walnut Creek, CA · $1,617 in drug and device payments (2025) ·
(925) 295-6333 Dr. Carol Diraimondo, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 944-0351 Dr. Elizabeth Wrone, MDWalnut Creek, CA · $405 in drug and device payments (2025) · Telehealth ·
(925) 944-0351 Dr. Jamal Mogannam, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Jason Shey, MDWalnut Creek, CA · $1,243 in drug and device payments (2025) · Telehealth ·
(925) 944-0351 Dr. John Valdin, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Manasi Bapat, MDWalnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 295-6333 Dr. Mario Curzi, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 944-0351 Dr. May Chiu, MDWalnut Creek, CA · $501 in drug and device payments (2025) · Telehealth ·
(925) 944-0351 Dr. Robert Davies, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 944-0351 Dr. Rohit Sharma, MDWalnut Creek, CA · $506 in drug and device payments (2025) ·
(925) 944-0351 Dr. Sylvia Chi-wu, MDWalnut Creek, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 295-4000 Dr. Theodore Weis, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 279-2226 Dr. Rajeev Prasad, M.D.Watsonville, CA · No drug or device payments recorded (2025) · Telehealth ·
(831) 768-6217 Dr. Sohail Nasim, M.D.West Hills, CA · $101 in drug and device payments (2025) ·
(818) 227-4272 Dr. Edmund Huang, M.D.West Hollywood, CA · $365 in drug and device payments (2025) · Telehealth ·
(310) 248-6528 Dr. Fatima Malik, M.DWest Hollywood, CA · $43 in drug and device payments (2025) · Telehealth ·
(310) 423-2641 Dr. Jun Shoji, M.D.West Hollywood, CA · $1,967 in drug and device payments (2025) · Telehealth ·
(310) 423-2641 Dr. Justin Oveyssi, D.O.West Hollywood, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 423-2641 Dr. Mark Barats, M.D.West Hollywood, CA · $3,601 in drug and device payments (2025) ·
(323) 654-2020 Dr. Mrinalini Sarkar, MDWest Hollywood, CA · $46,634 in drug and device payments (2025) · Telehealth ·
(310) 423-5252 Dr. Ramin Gabbai, MDWest Hollywood, CA · $208 in drug and device payments (2025) · Telehealth ·
(310) 659-0706 Dr. Rana SandhuWest Hollywood, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 423-5000 Dr. Reiad Najjar, MDWest Hollywood, CA · $295 in drug and device payments (2025) · Telehealth ·
(310) 423-2641 Dr. Ronald Lang, M.D.West Hollywood, CA · $323 in drug and device payments (2025) ·
(323) 525-1111 Dr. Sindhu Chandran, M.B.,B.S.West Hollywood, CA · $175 in drug and device payments (2025) ·
(310) 423-2641 Dr. Stanley Jordan, MDWest Hollywood, CA · $23,646 in drug and device payments (2025) · Telehealth ·
(310) 423-2641 Dr. Tuan Nguyen, DOWestminster, CA · $1,078 in drug and device payments (2025) · Telehealth ·
(714) 808-3080 Dr. Binoy Shah, MDWhittier, CA · $233 in drug and device payments (2025) ·
(562) 698-8141 Dr. Dilpreet Julka, M.D.Whittier, CA · No drug or device payments recorded (2025) · Telehealth ·
(562) 945-6440 Dr. Grace Lin, M.D.Whittier, CA · $83 in drug and device payments (2025) ·
(626) 988-1415 Dr. Hassan Boroujerdi-rad, MDWhittier, CA · $70 in drug and device payments (2025) ·
(562) 907-7616 Dr. Jayakumar Vidhun, M.D.Whittier, CA · $57,548 in drug and device payments (2025) · Telehealth ·
(562) 698-8141 Dr. Jennifer Imparato, DOWhittier, CA · $205 in drug and device payments (2025) · Telehealth ·
(562) 698-8141 Dr. Kevin Huang, M.D.Whittier, CA · $434 in drug and device payments (2025) · Telehealth ·
(562) 698-8141 Dr. Laleh Boroujerdi-rad, M.D.Whittier, CA · $106 in drug and device payments (2025) ·
(562) 907-7616 Dr. Mark Lee, MDWhittier, CA · $590 in drug and device payments (2025) ·
(562) 695-6988 Conditions Nephrology providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.
- Chronic kidney disease
- Kidney stones
- Dialysis care
- High blood pressure
Common questions
How many Nephrology providers are in California?There are 1,476 Nephrology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Nephrology providers in California offer telehealth?Yes. 665 of the 1,476 Nephrology providers in California (about 45%) report offering telehealth services in CMS data.
Which cities in California have the most Nephrology providers?Los Angeles (153), San Diego (75), San Francisco (71) have the highest concentration of Nephrology providers in California.
How many Nephrology providers in California received drug or device company payments?885 of 1,476 Nephrology providers in California (60%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Nephrology providers in California treat?Nephrology providers commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Nephrologists in California work in independent practices or large health systems?Among 1,107 Nephrologists in California enrolled in Medicare, 30% bill through a solo or small practice with fewer than 10 clinicians, 21% through a mid-size group of 10 to 99, and 49% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Nephrologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Nephrologists hold privileges are Uci Health-Orange in Orange; Cedars-Sinai Medical Center in Los Angeles; Stanford Health Care in Stanford.
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