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. Sarah Woon, M.D.
Concord, CA · No drug or device payments recorded (2025) · (925) 687-7272
Dr. Smitha Anam, M.D
Concord, CA · No drug or device payments recorded (2025) · Telehealth · (925) 687-7272
Dr. Vijay Jain, MD
Concord, CA · No drug or device payments recorded (2025) · (925) 686-0315
Dr. Andrew Cheung, M.D.
Corona, CA · $866 in drug and device payments (2025) · (951) 736-6757
Dr. Krishi Chanduri, M.D.
Corona, CA · $353 in drug and device payments (2025) · (951) 736-6757
Dr. Paul Niu, M.D.
Corona, CA · $151 in drug and device payments (2025) · (951) 736-6757
Dr. Robert Chang, M.D.
Corona, CA · No drug or device payments recorded (2025) · Telehealth · (951) 736-6757
Dr. Tameem Alhayya, MD
Corona, CA · No drug or device payments recorded (2025) · (951) 339-8459
Dr. Vince Ha, MD
Corona, CA · $1,245 in drug and device payments (2025) · (951) 736-6757
Dr. Jay Channick, M.D.
Coronado, CA · No drug or device payments recorded (2025) · (619) 435-4794
Dr. Ann O'hare, MD
Corte Madera, CA · No drug or device payments recorded (2025) · (415) 221-4810
Dr. Krishna Mohan, MD
Covina, CA · $190 in drug and device payments (2025) · (626) 331-0175
Dr. Madhu Sudan, MD
Covina, CA · No drug or device payments recorded (2025) · (626) 915-6683
Dr. Ranjit Cordeiro, M.D.
Covina, CA · No drug or device payments recorded (2025) · (626) 966-3499
Dr. Sheri Pham, MD
Covina, CA · $1,349 in drug and device payments (2025) · (626) 331-0175
Dr. Marco Martinez, M.D.
Cudahy, CA · $521 in drug and device payments (2025) · (323) 771-7466
Dr. Amnon Licht, M.D
Culver City, CA · No drug or device payments recorded (2025) · (310) 839-3200
Dr. Albert Kao, MD
Daly City, CA · $192 in drug and device payments (2025) · Telehealth · (650) 755-4492
Dr. Aung Kyaw Maung, M.D
Daly City, CA · $2,247 in drug and device payments (2025) · (650) 991-8883
Dr. Christian Cruz, MD
Daly City, CA · $1,065 in drug and device payments (2025) · Telehealth · (650) 755-4490
Dr. Daniel Angeli, MD
Daly City, CA · $428 in drug and device payments (2025) · (650) 755-4490
Dr. Hector Santiesteban, MEDICAL DOCTOR
Daly City, CA · $391 in drug and device payments (2025) · (650) 472-9667
Dr. Josephus-ian Sanjorjo, MD
Daly City, CA · $2,124 in drug and device payments (2025) · Telehealth · (650) 817-7188
Dr. Philip Hertz, MD
Daly City, CA · No drug or device payments recorded (2025) · (650) 755-4492
Dr. Robert Tseng, MD
Daly City, CA · $1,542 in drug and device payments (2025) · Telehealth · (650) 755-4492
Dr. Warren Chang, MD
Daly City, CA · $2,086 in drug and device payments (2025) · Telehealth · (650) 755-4492
Dr. Maya Bidichandani-kaura, MD
Dana Point, CA · $1,547 in drug and device payments (2025) · (949) 248-5884
Dr. Christopher Burrow, M.D.
Del Mar, CA · No drug or device payments recorded (2025) · (858) 259-8987
Dr. Betzabe Alday, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 803-0124
Dr. Hongyu Zhao, M.D.
Downey, CA · $59 in drug and device payments (2025) · Telehealth · (408) 851-1000
Dr. John Shaib, MD
Downey, CA · No drug or device payments recorded (2025) · (562) 861-0954
Dr. Maricel Pilapil-pureza, MD
Downey, CA · $72 in drug and device payments (2025) · (562) 923-6741
Dr. Michael Fang, M.D.
Downey, CA · $66 in drug and device payments (2025) · (626) 337-2265
Dr. Samuel Liu, MD
Downey, CA · $77 in drug and device payments (2025) · (562) 862-8184
Dr. Doris Chih, M.D., PH.D.
Duarte, CA · No drug or device payments recorded (2025) · (626) 256-4673
Dr. Charles Nguyen, M.D.
Eastvale, CA · $1,117 in drug and device payments (2025) · (951) 398-6868
Dr. Peter Cadman, M.D.
El Cajon, CA · No drug or device payments recorded (2025) · (619) 593-1212
Dr. Irmaris Quinones Vargas, MD
El Centro, CA · No drug or device payments recorded (2025) · Telehealth · (760) 353-0404
Dr. Mohsen El Ramah, M.D.
El Centro, CA · $610 in drug and device payments (2025) · Telehealth · (760) 353-4710
Dr. Ramin Berenji, M.D.
El Centro, CA · $222 in drug and device payments (2025) · Telehealth · (760) 353-0404
Dr. Shahid Hussain, M.D.
El Centro, CA · $125 in drug and device payments (2025) · Telehealth · (760) 353-0404
Dr. Sol Reisin, MD
El Centro, CA · No drug or device payments recorded (2025) · (760) 353-4710
Dr. Johan Winoto, M.D.
Elk Grove, CA · $59 in drug and device payments (2025) · Telehealth · (916) 683-8774
Dr. John Howard, M.D.
Elk Grove, CA · $145 in drug and device payments (2025) · (916) 683-8774
Dr. Huy Han, M.D.
El Monte, CA · $2,376 in drug and device payments (2025) · (626) 455-0048
Dr. Robert Reiss, M.D.
Encinitas, CA · $1,242 in drug and device payments (2025) · Telehealth · (760) 632-5456
Dr. Danny Farah, MD
Encino, CA · $1,630 in drug and device payments (2025) · Telehealth · (818) 986-6009
Dr. Hooman Kashani, DO
Encino, CA · $120 in drug and device payments (2025) · (818) 624-5443
Dr. Nima Rabbani, D.O., M.S.
Encino, CA · $160 in drug and device payments (2025) · Telehealth · (818) 986-6009
Dr. Sina Emami, MD
Encino, CA · $161 in drug and device payments (2025) · Telehealth · (818) 783-0004

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.

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Related

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.