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. Samir Shah, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 552-7528 Dr. Scott MullaneySan Diego, CA · $23 in drug and device payments (2025) · Telehealth ·
(800) 926-8273 Dr. Scott Thomson, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 552-7528 Dr. Shagun Chopra-sonthalia, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-8840 Dr. Shaunak Rana, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(312) 863-9100 Dr. Sina Rahimi, DOSan Diego, CA · $125 in drug and device payments (2025) · Telehealth ·
(858) 637-4700 Dr. Steven Steinberg, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 637-4700 Dr. Tamara Rubenzik, M.D.San Diego, CA · $11 in drug and device payments (2025) · Telehealth ·
(619) 543-6397 Dr. Tepsiri Chongkrairatanakul, MDSan Diego, CA · $215 in drug and device payments (2025) · Telehealth ·
(858) 637-4700 Dr. Terry Behrend, M.D.San Diego, CA · $6 in drug and device payments (2025) ·
(619) 582-4490 Dr. Theodore Thomas, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 299-2350 Dr. Tomasz Beben, M.D.San Diego, CA · $261 in drug and device payments (2025) ·
(619) 543-6222 Dr. Tyler Woodell, MDSan Diego, CA · $497 in drug and device payments (2025) · Telehealth ·
(619) 543-6287 Dr. Viet Nguyen, M.D.San Diego, CA · $2 in drug and device payments (2025) · Telehealth ·
(619) 299-2350 Dr. Yan Zhong, M.D.San Diego, CA · $164 in drug and device payments (2025) · Telehealth ·
(619) 299-2350 Dr. Aamir Jamal, M.D.San Dimas, CA · $1,062 in drug and device payments (2025) · Telehealth ·
(909) 542-2777 Dr. Abid Rizvi, M.D.San Dimas, CA · $301 in drug and device payments (2025) · Telehealth ·
(909) 542-2777 Dr. Amna Rizvi, M.D.San Dimas, CA · $286 in drug and device payments (2025) · Telehealth ·
(909) 594-7233 Dr. Christopher Wong, DOSan Dimas, CA · $1,133 in drug and device payments (2025) · Telehealth ·
(909) 542-2777 Dr. Claudio Gallego, M.D.San Dimas, CA · $387 in drug and device payments (2025) · Telehealth ·
(909) 542-2770 Dr. Jim Nguyen, D.O.San Dimas, CA · $298 in drug and device payments (2025) · Telehealth ·
(909) 542-2777 Dr. Michael Bien, M.D.San Dimas, CA · $688 in drug and device payments (2025) · Telehealth ·
(909) 542-2770 Dr. Mojtaba Moghadam, M.D.San Dimas, CA · $332 in drug and device payments (2025) · Telehealth ·
(909) 542-2770 Dr. Nitin Bhasin, M.D.San Dimas, CA · $838 in drug and device payments (2025) · Telehealth ·
(909) 542-2777 Dr. Shahid Syed, M.D.San Dimas, CA · $60 in drug and device payments (2025) · Telehealth ·
(909) 402-2777 Dr. Adrian Whelan, MB BCH BAOSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-1551 Dr. Alan Coleman, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 929-0660 Dr. Alan Giberson, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(408) 497-5242 Dr. Allison Webber, M.D.San Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-1290 Dr. Amarpali Brar, M.DSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-1551 Dr. Anna Malkina, M.D.San Francisco, CA · $2,258 in drug and device payments (2025) · Telehealth ·
(415) 476-2172 Dr. Benjamin Lee, MD, MASSan Francisco, CA · $79 in drug and device payments (2025) · Telehealth ·
(415) 353-2507 Dr. Celeste Chang, MD, FACPSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 391-9686 Dr. Charles Lynch, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 923-3456 Dr. Chi ChuSan Francisco, CA · No drug or device payments recorded (2025) ·
(628) 206-4777 Dr. Chi-yuan Hsu, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 476-2172 Dr. Christopher Carlos, M.D.San Francisco, CA · $276 in drug and device payments (2025) · Telehealth ·
(415) 502-5300 Dr. Christopher Showers, MDSan Francisco, CA · $116 in drug and device payments (2025) · Telehealth ·
(415) 476-2172 Dr. Cynthia Delgado, M.D.San Francisco, CA · $975 in drug and device payments (2025) ·
(415) 476-1812 Dr. Dana Larsen, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-2507 Dr. Darryl Raszl, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 661-1928 Dr. David Goldberg, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-2112 Dr. David LovettSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 221-4810 Dr. David Menke, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 833-2000 Dr. Delphine Tuot, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-8000 Dr. Denis Glenn, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-2172 Dr. Fred Lui, M.D.San Francisco, CA · $20,846 in drug and device payments (2025) ·
(415) 296-9809 Dr. Gabriel Loeb, M.D., PH.D.San Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 476-1812 Dr. Grant Gifford, DOSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 514-5575 Dr. Hanlon Fong, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 441-6120 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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