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 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. Shrinath Barathan, M.D.Los Angeles, CA · $2,709 in drug and device payments (2025) · Telehealth ·
(310) 652-9162 Dr. Solomon Bitew, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 857-2000 Dr. Sophie Kwok, M.D.Los Angeles, CA · $159 in drug and device payments (2025) · Telehealth ·
(213) 482-5141 Dr. Stephen Graham, M.D.,Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 652-9160 Dr. Stuart Friedman, M.D.Los Angeles, CA · $22 in drug and device payments (2025) · Telehealth ·
(310) 659-4320 Dr. Suma Raju, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Suphamai Bunnapradist, M.D.Los Angeles, CA · $83,926 in drug and device payments (2025) · Telehealth ·
(310) 267-2555 Dr. Supreet Sethi, MDLos Angeles, CA · $185 in drug and device payments (2025) · Telehealth ·
(310) 267-2555 Dr. Susana Mendoza, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-5987 Dr. Susanne Nicholas, MDLos Angeles, CA · $12,062 in drug and device payments (2025) · Telehealth ·
(310) 825-6301 Dr. Svetlana VillanoLos Angeles, CA · $291 in drug and device payments (2025) ·
(323) 409-1000 Dr. Tariq Shah, M.D.Los Angeles, CA · $102,935 in drug and device payments (2025) ·
(213) 409-6686 Dr. Theresa HenkeLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(866) 423-8661 Dr. Thin Thin Maw, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(323) 442-5100 Dr. Victor Carabello, M.D.Los Angeles, CA · $91,363 in drug and device payments (2025) ·
(323) 987-1362 Dr. Victoria Kumar, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Vincent Anthony, M.D., M.P.H.Los Angeles, CA · $948 in drug and device payments (2025) ·
(888) 522-7311 Dr. Vito Campese, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. Vito Rocco, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(805) 642-6252 Dr. Wan-ting Yang, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(800) 464-4000 Dr. Igor Kagan, MDLos Angles, CA · $11,039 in drug and device payments (2025) · Telehealth ·
(805) 418-3500 Dr. Kavitha Hubbard, M.D.Los Gatos, CA · $894 in drug and device payments (2025) · Telehealth ·
(310) 502-0851 Dr. Rufus Richards, M.D.Los Gatos, CA · No drug or device payments recorded (2025) ·
(408) 896-2052 Dr. Adegbenga Adetola, MDLynwood, CA · No drug or device payments recorded (2025) ·
(310) 631-2838 Dr. Andy Hong, MDLynwood, CA · No drug or device payments recorded (2025) ·
(310) 763-7504 Dr. Brian Lee, MDLynwood, CA · $19,530 in drug and device payments (2025) · Telehealth ·
(310) 763-7504 Dr. Rodrigo Rocha, M.D.Lynwood, CA · $1,524 in drug and device payments (2025) ·
(310) 638-0533 Dr. Samia Khwaja, M.D.Lynwood, CA · No drug or device payments recorded (2025) ·
(323) 725-0051 Dr. Sita Yanamadala, M.D. Dr. Stephen Lui, M.D.Lynwood, CA · $129 in drug and device payments (2025) · Telehealth ·
(310) 763-7504 Dr. David Metz, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-3000 Dr. Mohammed Siddiqui, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 661-1965 Dr. Sheikh Masood, M.D.Madera, CA · $334 in drug and device payments (2025) · Telehealth ·
(559) 661-1965 Dr. Swarna Byri, M.DManteca, CA · No drug or device payments recorded (2025) · Telehealth ·
(209) 825-2047 Dr. Jonathan Segal, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-4610 Dr. Mamatha Gupta, M.D.Mather, CA · No drug or device payments recorded (2025) ·
(916) 843-7000 Dr. Pratik Shah, MDMather, CA · No drug or device payments recorded (2025) ·
(916) 843-2743 Dr. Eric YanMenifee, CA · $142 in drug and device payments (2025) ·
(951) 672-7967 Dr. Atul Roy, M.D.Merced, CA · $367 in drug and device payments (2025) · Telehealth ·
(209) 725-2121 Dr. Daniel Ikemiyashiro, M.D. Dr. Harleen Aujla, M.D.Merced, CA · $44 in drug and device payments (2025) · Telehealth ·
(209) 723-1020 Dr. Nirmal Aujla, MDMerced, CA · No drug or device payments recorded (2025) ·
(209) 723-1020 Dr. Shivarama Bhat, M.D.Merced, CA · No drug or device payments recorded (2025) ·
(209) 761-1408 Dr. Ammar Alnaser, M.D.Mission Hills, CA · $424 in drug and device payments (2025) · Telehealth ·
(818) 365-1194 Dr. Anthony Nicolaysen, MDMission Hills, CA · $763 in drug and device payments (2025) ·
(818) 365-1194 Dr. Carmen Slavov, MDMission Hills, CA · $1,012 in drug and device payments (2025) · Telehealth ·
(818) 254-1500 Dr. Dominique Mall, MD.Mission Hills, CA · $85 in drug and device payments (2025) ·
(818) 365-9531 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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