HealthcareDiscovery.AI / Doctors / California / Rheumatology

Rheumatologists in California

Data updated monthly · Last refresh October 2026

923 Rheumatology providers practice in California, including 464 (50%) 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.

923providers
464telehealth
Los Angelestop city

Rheumatology by city in California

Choose a city to see providers there.

Rheumatology in Los Angeles94 providers
Rheumatology in San Francisco63 providers
Rheumatology in San Diego42 providers
Rheumatology in Sacramento27 providers
Rheumatology in Stanford25 providers
Rheumatology in Orange20 providers
Rheumatology in Torrance19 providers
Rheumatology in Beverly Hills19 providers
Rheumatology in Santa Monica18 providers
Rheumatology in La Jolla16 providers
Rheumatology in Palo Alto14 providers
Rheumatology in Santa Barbara14 providers
Rheumatology in San Jose12 providers
Rheumatology in Fresno12 providers
Rheumatology in Loma Linda12 providers
Rheumatology in Walnut Creek12 providers
Rheumatology in Riverside11 providers
Rheumatology in Roseville10 providers
Rheumatology in Oakland9 providers
Rheumatology in Whittier9 providers
Rheumatology in Anaheim9 providers
Rheumatology in Mountain View8 providers
Rheumatology in Fremont8 providers
Rheumatology in Burbank8 providers

Rheumatology 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. Smita Gupta, MD
Santa Monica, CA · No drug or device payments recorded (2025) · Telehealth · (424) 259-2889
Dr. Tanaz Kermani, M.D.
Santa Monica, CA · No drug or device payments recorded (2025) · Telehealth · (310) 582-6350
Dr. Thomas Susko, M.D.
Santa Monica, CA · $406 in drug and device payments (2025) · (310) 829-5557
Dr. William Martin, MD
Santa Monica, CA · No drug or device payments recorded (2025) · Telehealth · (310) 582-6350
Dr. David Maniscalco, M.D.
Santa Rosa, CA · No drug or device payments recorded (2025) · Telehealth · (707) 521-7999
Dr. Donald Whisler, M.D.
Santa Rosa, CA · $347 in drug and device payments (2025) · Telehealth · (707) 890-4250
Dr. Jack Waxman, M.D.
Santa Rosa, CA · $1,058 in drug and device payments (2025) · (707) 481-7215
Dr. Khashayar Khosraviani, MD
Santa Rosa, CA · No drug or device payments recorded (2025) · Telehealth · (707) 393-4155
Dr. Lisa Kremer, M.D.
Santa Rosa, CA · No drug or device payments recorded (2025) · Telehealth · (707) 576-3322
Dr. Richard Zweig, MD
Santa Rosa, CA · No drug or device payments recorded (2025) · (707) 571-4000
Dr. Todd Hofeling, M.D.
Santa Rosa, CA · No drug or device payments recorded (2025) · Telehealth · (707) 521-7799
Dr. Joshua Levy, M.D.
Sherman Oaks, CA · $380 in drug and device payments (2025) · (818) 789-8848
Dr. Courtney O'brien, DO
Simi Valley, CA · $39 in drug and device payments (2025) · Telehealth · (805) 583-7640
Dr. Tony Makhlouf, MD
Simi Valley, CA · $3,023 in drug and device payments (2025) · Telehealth · (805) 842-1793
Dr. Suneeta Chhugani, MD
Sonora, CA · No drug or device payments recorded (2025) · (209) 536-3738
Dr. Ian Mclean, MBCHB PHD FACP FRCP
South San Francisco, CA · No drug or device payments recorded (2025) · (650) 467-3356
Dr. Sarah Ringsted, M.D.
South San Francisco, CA · No drug or device payments recorded (2025) · (507) 422-2306
Dr. Alisa Mueller, MD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Andrew Rozelle, MD
Stanford, CA · $221 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Audra Horomanski, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Brian Abe, MD, PHD
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-7887
Dr. Christine Anastasiou Perlegos, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Diane Mar, MD
Stanford, CA · $93 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Janice Lin, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Jison Hong, MD
Stanford, CA · $105 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Jorg Goronzy, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Khushboo Sheth, M.B.,B.S.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Kimberly Dequattro, MD, MM
Stanford, CA · $5,776 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Lakshmi Jayaram, MBCHB
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Lily Sung, MD
Stanford, CA · $42 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Liya Stolyar, MD
Stanford, CA · $229 in drug and device payments (2025) · (650) 723-4000
Dr. Mark Genovese, M.D.
Stanford, CA · $99 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Matthew Baker, MD
Stanford, CA · $25,981 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Neera Narang, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 498-4559
Dr. Neha Shah, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Nitasha Khullar, MD
Stanford, CA · $438 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Prachaya Nitichaikulvatana, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Soujanya Sodavarapu, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Tamiko Katsumoto, M.D.
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Victoria Kelly, M.D.
Stanford, CA · $61 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. William Robinson, M.D.
Stanford, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Yashaar Chaichian, MD
Stanford, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Albert Ferrari, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 943-2041
Dr. Anusha Vuppala, MD
Stockton, CA · $1,262 in drug and device payments (2025) · (209) 645-4005
Dr. Navneet Kaur, M.B.B.S
Stockton, CA · $283 in drug and device payments (2025) · (209) 645-4005
Dr. Swetha Ramachandran, M.D
Stockton, CA · No drug or device payments recorded (2025) · Telehealth · (215) 279-0964
Dr. Thu Zar Myint, MD
Stockton, CA · $404 in drug and device payments (2025) · Telehealth · (209) 957-7050
Dr. Janki Trivedi, M.D.
Sun City, CA · $3,414 in drug and device payments (2025) · Telehealth · (951) 672-1866
Dr. Edward Amento, M.D.
Sunnyvale, CA · No drug or device payments recorded (2025) · (408) 523-6260
Dr. Gretel D'souza, M.D.
Sylmar, CA · $3,545 in drug and device payments (2025) · (747) 210-3205

Conditions Rheumatology providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Rheumatology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Rheumatology providers are in California?

There are 923 Rheumatology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Rheumatology providers in California offer telehealth?

Yes. 464 of the 923 Rheumatology providers in California (about 50%) report offering telehealth services in CMS data.

Which cities in California have the most Rheumatology providers?

Los Angeles (94), San Francisco (63), San Diego (42) have the highest concentration of Rheumatology providers in California.

How many Rheumatology providers in California received drug or device company payments?

520 of 923 Rheumatology providers in California (56%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Rheumatology providers in California treat?

Rheumatology providers commonly treat rheumatoid arthritis, lupus, gout, psoriatic arthritis, fibromyalgia 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 Rheumatologists in California work in independent practices or large health systems?

Among 633 Rheumatologists in California enrolled in Medicare, 27% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 65% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Rheumatologists in California work at?

According to CMS facility affiliation records, the California hospitals where the most Rheumatologists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Stanford Health Care in Stanford; Cedars-Sinai Medical Center in Los Angeles.

Rheumatology in all 50 states Search all 923 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 Rheumatology in California? Get featured.