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. Donald Nortman, MD
Los Angeles, CA · $1,628 in drug and device payments (2025) · Telehealth · (310) 659-1668
Dr. Dwight Makoff, M.D.,
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 652-9162
Dr. Elaine Kaptein, M.D.
Los Angeles, CA · $127 in drug and device payments (2025) · (323) 226-2119
Dr. Elizabeth Kendrick, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-7662
Dr. Erik Lum, MD
Los Angeles, CA · $184 in drug and device payments (2025) · Telehealth · (650) 799-3622
Dr. Eugene Lin, MD
Los Angeles, CA · $79 in drug and device payments (2025) · (323) 442-5100
Dr. Fadi Tohme, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5100
Dr. Farid Arman, M.D.
Los Angeles, CA · $67,424 in drug and device payments (2025) · Telehealth · (213) 988-8380
Dr. Firooz Pak, M.D.
Los Angeles, CA · $31 in drug and device payments (2025) · Telehealth · (310) 568-8938
Dr. Franklin Strauss, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 967-1884
Dr. Gabriel Danovitch, MD
Los Angeles, CA · $114 in drug and device payments (2025) · (310) 206-7662
Dr. Garrett Yu
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 423-8661
Dr. Gbemisola Adenuga, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5100
Dr. Gerino Vicencio, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Gigi Le, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 857-2000
Dr. Glenn Nagami, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 268-3835
Dr. Glory Tseng, D.O.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 652-9162
Dr. Grace Choi
Los Angeles, CA · $276 in drug and device payments (2025) · Telehealth · (213) 748-1414
Dr. Guita Balakhane, M.D.,
Los Angeles, CA · $20 in drug and device payments (2025) · (310) 967-2140
Dr. Hamid Hajmomenian, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 319-4371
Dr. Harsha Aramada, M.D.
Los Angeles, CA · $29 in drug and device payments (2025) · (323) 442-5100
Dr. Hector Rodriguez, M.D.,
Los Angeles, CA · $1,124 in drug and device payments (2025) · Telehealth · (310) 274-7300
Dr. Helder De Paiva, M.D.
Los Angeles, CA · $790 in drug and device payments (2025) · (310) 205-2595
Dr. Hima Namboodiri
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-7556
Dr. Hira Jindal, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 680-9190
Dr. Hock Yeoh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Hong Dang, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4516
Dr. Hui Yi Shan, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5100
Dr. Huma Kennedy, M.D.
Los Angeles, CA · $160 in drug and device payments (2025) · Telehealth · (310) 206-6741
Dr. Ilya Gelman, M.D.
Los Angeles, CA · $3,406 in drug and device payments (2025) · Telehealth · (323) 653-2504
Dr. Ira Kurtz, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 206-7662
Dr. Irene Toh, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 748-1414
Dr. Jacob Ahdoot, M.D.
Los Angeles, CA · $122 in drug and device payments (2025) · (323) 250-2680
Dr. James Wilson, MD, MS
Los Angeles, CA · $19 in drug and device payments (2025) · Telehealth · (310) 206-7662
Dr. Janice Cuevas Rivera, MD
Los Angeles, CA · $453 in drug and device payments (2025) · (310) 568-8938
Dr. Jennifer Tang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Jingbo Huang, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 857-3137
Dr. John Sim, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Jonathan Cheng, MD
Los Angeles, CA · $333 in drug and device payments (2025) · Telehealth · (213) 748-1414
Dr. Jorge Doria Medina Sanchez, MD
Los Angeles, CA · $316 in drug and device payments (2025) · (213) 482-5141
Dr. Josephine Chiu, MD
Los Angeles, CA · $72 in drug and device payments (2025) · Telehealth · (323) 857-2000
Dr. Joseph Kahwaji, MD
Los Angeles, CA · $158 in drug and device payments (2025) · Telehealth · (323) 783-4011
Dr. Julie Yabu, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 267-2555
Dr. Kamran Karimi, M.D.
Los Angeles, CA · $255 in drug and device payments (2025) · (213) 201-0850
Dr. Kassem Safa, MD
Los Angeles, CA · $172 in drug and device payments (2025) · Telehealth · (310) 267-2555
Dr. Keiichi Sumida, MD, MPH, PHD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Kim Le, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 259-2299
Dr. Kristel Dongallo, NP
Los Angeles, CA · $21 in drug and device payments (2025) · (818) 324-6297
Dr. Lama Abdelnour, MD
Los Angeles, CA · $27,968 in drug and device payments (2025) · Telehealth · (310) 206-7662
Dr. Lamioko Pappoe, M.D.
Los Angeles, CA · $112 in drug and device payments (2025) · (323) 442-5100

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.