HealthcareDiscovery.AI / Doctors / California / Nephrology

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 in Los Angeles153 providers
Nephrology in San Diego75 providers
Nephrology in San Francisco71 providers
Nephrology in Sacramento59 providers
Nephrology in Stanford39 providers
Nephrology in Fresno37 providers
Nephrology in Torrance36 providers
Nephrology in Orange33 providers
Nephrology in San Jose32 providers
Nephrology in Berkeley24 providers
Nephrology in Loma Linda23 providers
Nephrology in Fountain Valley20 providers
Nephrology in Riverside18 providers
Nephrology in Long Beach17 providers
Nephrology in Bakersfield17 providers
Nephrology in Stockton16 providers
Nephrology in Modesto16 providers
Nephrology in La Jolla15 providers
Nephrology in Palo Alto15 providers
Nephrology in Montebello14 providers
Nephrology in Oakland13 providers
Nephrology in Roseville13 providers
Nephrology in Beverly Hills13 providers
Nephrology in Pasadena13 providers

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. Arvind Mehta, MD
Long Beach, CA · $261 in drug and device payments (2025) · (562) 424-4447
Dr. Chonlada Chivangkul, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · Telehealth · (562) 424-4447
Dr. Essam Maasarani, M.D.
Long Beach, CA · $258 in drug and device payments (2025) · (562) 595-7426
Dr. Gaurang Shah, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-5904
Dr. John Hsieh, M.D.
Long Beach, CA · $1,127 in drug and device payments (2025) · Telehealth · (562) 595-7426
Dr. John Sy, M.D.
Long Beach, CA · $660 in drug and device payments (2025) · Telehealth · (562) 826-8000
Dr. Joline Chen, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 826-8000
Dr. Karen Zoller, M.D.
Long Beach, CA · $383 in drug and device payments (2025) · (562) 595-7426
Dr. Lei Win, M.D
Long Beach, CA · $101 in drug and device payments (2025) · Telehealth · (650) 303-1246
Dr. Ngoc-tram Tran, D.O
Long Beach, CA · $1,669 in drug and device payments (2025) · Telehealth · (562) 803-2486
Dr. Nourma Sajid, M.D.
Long Beach, CA · $592 in drug and device payments (2025) · Telehealth · (562) 424-4447
Dr. Sapna Patel, MD
Long Beach, CA · $1,588 in drug and device payments (2025) · Telehealth · (562) 424-4447
Dr. Tae Lee, MD
Long Beach, CA · $23 in drug and device payments (2025) · (562) 630-7279
Dr. Thuc Tu, MD
Long Beach, CA · $776 in drug and device payments (2025) · Telehealth · (562) 424-4447
Dr. Ing Wong, MD
Los Alamitos, CA · No drug or device payments recorded (2025) · (562) 594-6995
Dr. Meenakshi Verma, M.D
Los Alamitos, CA · $29 in drug and device payments (2025) · (562) 446-0580
Dr. Tanzina Nasreen, M.D.
Los Alamitos, CA · No drug or device payments recorded (2025) · Telehealth · (562) 596-1667
Dr. Abe Green, MD
Los Angeles, CA · $89 in drug and device payments (2025) · (310) 282-8202
Dr. Alan Dauer, M.D.,
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 652-9162
Dr. Alfred Rahban, M.D.A MEDICAL CORPOR
Los Angeles, CA · $51 in drug and device payments (2025) · (323) 939-3669
Dr. Ali Hariri, M.D.
Los Angeles, CA · $1,250 in drug and device payments (2025) · (323) 655-5068
Dr. Allen Nissenson, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6301
Dr. Amir Patel, DO
Los Angeles, CA · $105 in drug and device payments (2025) · (323) 783-4516
Dr. Andrew Yue, M.D.
Los Angeles, CA · $360 in drug and device payments (2025) · Telehealth · (323) 783-7372
Dr. Anjana Kamdar, M.D.
Los Angeles, CA · $108 in drug and device payments (2025) · Telehealth · (323) 264-4300
Dr. Anjay Rastogi, MD
Los Angeles, CA · $309,678 in drug and device payments (2025) · Telehealth · (310) 794-9718
Dr. Annika Khine
Los Angeles, CA · $412 in drug and device payments (2025) · (323) 442-5100
Dr. Antoine Abcar, MD
Los Angeles, CA · $58 in drug and device payments (2025) · Telehealth · (323) 783-4011
Dr. Ardavan Mashhadian, D.O.
Los Angeles, CA · $310 in drug and device payments (2025) · Telehealth · (213) 537-0328
Dr. Arnold Felsenfeld, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-4381
Dr. Arshia Ghaffari, D.O.
Los Angeles, CA · $56,994 in drug and device payments (2025) · Telehealth · (323) 442-5100
Dr. Arteen Pirverdian, DO
Los Angeles, CA · $962 in drug and device payments (2025) · (323) 442-5100
Dr. Arturo Lim, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 413-2625
Dr. Aylin Selek, M.D.
Los Angeles, CA · $590 in drug and device payments (2025) · Telehealth · (323) 442-5100
Dr. Bahman Moghadam
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Barton Levine, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-3835
Dr. Basmah Abdalla, M.D.
Los Angeles, CA · $99 in drug and device payments (2025) · Telehealth · (310) 267-2555
Dr. Behnoud Beroukhim, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 423-8661
Dr. Bruce Greenfield, M.D.
Los Angeles, CA · $1,924 in drug and device payments (2025) · Telehealth · (213) 748-1414
Dr. Bryan Ney, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Bui Khanh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Charles Cho, M.D.
Los Angeles, CA · $929 in drug and device payments (2025) · (213) 674-8282
Dr. Charlton Kim, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-2420
Dr. Chong Parke, M.D.
Los Angeles, CA · $61 in drug and device payments (2025) · Telehealth · (323) 442-5100
Dr. Dalia Goldfarb-waysman, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 478-3711
Dr. David Hartenbower, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-9718
Dr. David Hwang, DO
Los Angeles, CA · $18 in drug and device payments (2025) · Telehealth · (833) 574-2273
Dr. David Lee, MD
Los Angeles, CA · $215 in drug and device payments (2025) · (310) 794-9718
Dr. Dean Kujubu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Dean Yamaguchi, M.D., PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-4437

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.

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.

Nephrology in all 50 states Search all 1,476 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Nephrology in California? Get featured.