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.
Where Nephrologists in California practice
From CMS Medicare enrollment records covering 1,107 of the 1,476 providers listed here (75%). Providers who do not bill Medicare are not included in these figures.
30%solo or small practice (under 10 clinicians)
21%mid-size group (10 to 99)
49%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Nephrologists | All clinicians in group | Main city |
| Southern California Permanente Medical Group | 93 | 11,250 | San Diego |
| Permanente Medical Group Inc. | 64 | 10,928 | Richmond |
| Balboa Nephrology Medical Group Inc. | 54 | 78 | San Diego |
| Nephrology Associates Medical Group Inc. | 41 | 64 | Riverside |
| West Coast Kidney | 37 | 56 | Walnut Creek |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Nephrologists affiliated |
| Uci Health-Orange | Orange | Government | 4 of 5 | 74 |
| Cedars-Sinai Medical Center | Los Angeles | Nonprofit | 5 of 5 | 63 |
| Stanford Health Care | Stanford | Nonprofit | 5 of 5 | 60 |
| Sutter Medical Center, Sacramento | Sacramento | Nonprofit | 4 of 5 | 43 |
| Ronald Reagan UCLA Medical Center | Los Angeles | Government | 4 of 5 | 38 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Alka Sharma, M.D.Alameda, CA · $53 in drug and device payments (2025) · Telehealth ·
(510) 748-0931 Dr. Jimmy YueAlhambra, CA · $814 in drug and device payments (2025) ·
(626) 308-0133 Dr. Josephine Hwu, MDAlhambra, CA · $94 in drug and device payments (2025) ·
(626) 280-0676 Dr. Paul Hwu, M.D.Alhambra, CA · $65 in drug and device payments (2025) ·
(626) 280-0676 Dr. Hassan Movahedi, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. M Rajudin, MDAnaheim, CA · $2,952 in drug and device payments (2025) · Telehealth ·
(714) 229-9500 Dr. Nausheen Ali, M.D.Anaheim, CA · $704 in drug and device payments (2025) · Telehealth ·
(714) 956-5200 Dr. Nirav Gandhi, M.D.Anaheim, CA · $769 in drug and device payments (2025) · Telehealth ·
(714) 956-5200 Dr. Paul Krasner, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 956-5200 Dr. Rajeshkumar Bhalodia, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 644-2485 Dr. Shailesh Patel, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Sinjoo Kim, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Tam Pham, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Tina Cushing, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Doris Galina-da Silva, DORIS GALINADA SILVAAntioch, CA · $546 in drug and device payments (2025) · Telehealth ·
(925) 779-9635 Dr. Lauren Ng, M.D.Antioch, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 813-3166 Dr. Sharon Kang, M.D.Antioch, CA · No drug or device payments recorded (2025) ·
(925) 813-3866 Dr. Harbans Singh, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-8251 Dr. Jimmy Tam Huy Pham, D.O.Apple Valley, CA · $197 in drug and device payments (2025) ·
(442) 284-0080 Dr. Sunil Patel, D.O.Apple Valley, CA · $145,997 in drug and device payments (2025) ·
(760) 810-0888 Dr. Haresh Khilnani, M.D.Arcadia, CA · $117 in drug and device payments (2025) ·
(626) 256-1000 Dr. Harlan Bixby, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(818) 445-6976 Dr. Michael Soliman, MDArcadia, CA · No drug or device payments recorded (2025) ·
(626) 446-4659 Dr. Sukhpal Gill, M.DArcadia, CA · $433 in drug and device payments (2025) · Telehealth ·
(626) 445-7500 Dr. Tin-jon Syiau, MDArcadia, CA · No drug or device payments recorded (2025) ·
(626) 821-0655 Dr. Deno Kang, MDArtesia, CA · $113 in drug and device payments (2025) ·
(562) 402-9801 Dr. Arvind Shah, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 324-4721 Dr. Caroline Wong, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 869-2600 Dr. Chandrika Chitturi, MDBakersfield, CA · $18 in drug and device payments (2025) · Telehealth ·
(661) 326-2000 Dr. Harjeet Brar, M.D.Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth ·
(661) 396-7100 Dr. Harold Baer, M.D. FACPBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 323-2847 Dr. Hashim Kazmi, MDBakersfield, CA · $773 in drug and device payments (2025) · Telehealth ·
(661) 588-9999 Dr. Iris Jill Uy, M.D.Bakersfield, CA · $164 in drug and device payments (2025) ·
(661) 588-9999 Dr. Kevin Stiles, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(800) 353-5400 Dr. Nakul Parimoo, M.D.Bakersfield, CA · No drug or device payments recorded (2025) · Telehealth ·
(661) 398-3633 Dr. Parham Mokri, M.D.Bakersfield, CA · $17 in drug and device payments (2025) ·
(661) 323-2847 Dr. Peter Mccauley, MDBakersfield, CA · $814 in drug and device payments (2025) · Telehealth ·
(661) 588-9999 Dr. Shan Shan Chen, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Slamat Ali, MDBakersfield, CA · $1,264 in drug and device payments (2025) · Telehealth ·
(559) 228-6600 Dr. Sudhir Joshi, M.D.Bakersfield, CA · $1,816 in drug and device payments (2025) · Telehealth ·
(661) 588-9999 Dr. Tariq Mubin, M.D.Bakersfield, CA · $704 in drug and device payments (2025) ·
(661) 323-2847 Dr. William Bichai, M.D.Bakersfield, CA · $185 in drug and device payments (2025) · Telehealth ·
(661) 327-8000 Dr. Yin WinBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 328-9831 Dr. Abdalla Mallouk, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(310) 922-8916 Dr. Kimdeep Mangat, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Mark Rutkowski, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Mary Kalpakian, M.D.Baldwin Park, CA · No drug or device payments recorded (2025) ·
(800) 780-1277 Dr. Nichole Mihara, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Yungpo Wang, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 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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