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. David Taylor, M.D.
Sylmar, CA · No drug or device payments recorded (2025) · (818) 364-3205
Dr. Phuong Chi Pham, MD
Sylmar, CA · No drug or device payments recorded (2025) · (818) 364-3205
Dr. Reebu Kohli, M.D.
Sylmar, CA · No drug or device payments recorded (2025) · (818) 364-3205
Dr. Richard Treger, M.D.
Sylmar, CA · No drug or device payments recorded (2025) · (818) 365-3205
Dr. Alan Fozailoff, M.D.
Tarzana, CA · $90 in drug and device payments (2025) · Telehealth · (818) 334-5750
Dr. Burton Liebross, M.D.
Tarzana, CA · $245 in drug and device payments (2025) · Telehealth · (818) 774-3838
Dr. Isaac Gorbaty, M.D.
Tarzana, CA · $73 in drug and device payments (2025) · (818) 708-3143
Dr. Jeremy Schwieger, M.D.
Tarzana, CA · $1,210 in drug and device payments (2025) · (818) 757-1212
Dr. Kamyar Kamjoo, MD
Tarzana, CA · $1,070 in drug and device payments (2025) · Telehealth · (818) 578-7167
Dr. Saman Lashkari, M.D.
Tarzana, CA · $2,086 in drug and device payments (2025) · Telehealth · (818) 757-1212
Dr. Sora Lee, M.D.
Tarzana, CA · $126 in drug and device payments (2025) · Telehealth · (747) 201-7444
Dr. Duc Quach, MD
Temecula, CA · $2,911 in drug and device payments (2025) · (951) 687-7140
Dr. Mohamad Altriki, MD
Temecula, CA · $902 in drug and device payments (2025) · (951) 687-7140
Dr. Anthony Capparelli, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 497-7775
Dr. Arian Gower, M.D.
Thousand Oaks, CA · $43,953 in drug and device payments (2025) · Telehealth · (805) 496-5800
Dr. Karen Vossen Smirnakis, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 447-9374
Dr. Paul Finkel, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 496-6051
Dr. Ramdas Kumar, M.D.
Thousand Oaks, CA · $5,462 in drug and device payments (2025) · Telehealth · (805) 496-5800
Dr. Richard Lessman, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 496-6051
Dr. Robert Brenner, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 447-5939
Dr. Salah Sonbol, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 496-6051
Dr. Ajay Gupta, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-5015
Dr. Akshay Bommireddi, MD
Torrance, CA · $1,130 in drug and device payments (2025) · (310) 222-3893
Dr. Ana Cecilia Ortiz-guerrero, MD
Torrance, CA · $1,962 in drug and device payments (2025) · Telehealth · (310) 325-4517
Dr. Anuja Shah, M.D.
Torrance, CA · $3,652 in drug and device payments (2025) · (310) 222-3891
Dr. David Bloom, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 379-2860
Dr. Derek Chao, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 784-8770
Dr. Devon Kent
Torrance, CA · $187 in drug and device payments (2025) · (424) 306-4000
Dr. Donald Inadomi, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 542-7997
Dr. Duke Chang, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 344-3281
Dr. Edgar Musngi, M.D.
Torrance, CA · $1,210 in drug and device payments (2025) · Telehealth · (310) 379-2860
Dr. Harmanjit Singh, MD
Torrance, CA · $145 in drug and device payments (2025) · Telehealth · (310) 222-3891
Dr. Harpreet Sidhu, M.D.
Torrance, CA · No drug or device payments recorded (2025) · Telehealth · (310) 542-6333
Dr. Hosayn Khaleeli, MD
Torrance, CA · $676 in drug and device payments (2025) · Telehealth · (310) 320-3204
Dr. Jenny Shen, MD
Torrance, CA · $138 in drug and device payments (2025) · (310) 222-3891
Dr. Joel Kopple, M.D.
Torrance, CA · $98 in drug and device payments (2025) · (310) 222-5101
Dr. Jonathan Sung
Torrance, CA · $2,362 in drug and device payments (2025) · Telehealth · (310) 325-4517
Dr. Juan Corredor, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 325-4517
Dr. Khaja Ahmed, M.D.
Torrance, CA · $2 in drug and device payments (2025) · (310) 370-4660
Dr. Khosrow Parsa, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 325-4517
Dr. Li-li Tong, M.D.
Torrance, CA · $150 in drug and device payments (2025) · (310) 222-3891
Dr. Lilly Barba, M.D.
Torrance, CA · $559 in drug and device payments (2025) · (310) 222-5101
Dr. Mahdi Yazdany, M.D.
Torrance, CA · $2,879 in drug and device payments (2025) · Telehealth · (310) 379-2860
Dr. Michelle Hwang, M.D.
Torrance, CA · $1,599 in drug and device payments (2025) · Telehealth · (310) 542-6333
Dr. Omer Khan, MD
Torrance, CA · $3,036 in drug and device payments (2025) · Telehealth · (310) 379-2860
Dr. Philip Chung, M.D.
Torrance, CA · $3,369 in drug and device payments (2025) · Telehealth · (310) 379-2860
Dr. Raimund Hirschberg, M.D.
Torrance, CA · No drug or device payments recorded (2025) · (310) 222-3891
Dr. Ray Goshtaseb, M.D.
Torrance, CA · $739 in drug and device payments (2025) · Telehealth · (310) 825-5111
Dr. Shamila Senanayake, MD
Torrance, CA · No drug or device payments recorded (2025) · (310) 370-4660
Dr. Sharon Adler, M.D.
Torrance, CA · $15,934 in drug and device payments (2025) · (310) 222-2401

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

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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.