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. Purnell Kirkland, M.D.
Inglewood, CA · $126 in drug and device payments (2025) · (310) 672-8921
Dr. William Hong, MD
Inglewood, CA · No drug or device payments recorded (2025) · (310) 674-9710
Dr. Christine Leehealey, MD
Irvine, CA · $2,520 in drug and device payments (2025) · (949) 654-3763
Dr. Diana Girnita, MD, PHD
Irvine, CA · $165 in drug and device payments (2025) · (650) 525-4404
Dr. Robert Freed, MD
Irvine, CA · No drug or device payments recorded (2025) · (949) 753-1666
Dr. Talha Khawar, M.D.
La Canada, CA · No drug or device payments recorded (2025) · (818) 541-1134
Dr. Tracy Nguyen-oghalai, MD
La Canada, CA · $370 in drug and device payments (2025) · Telehealth · (323) 442-9700
Dr. Christine Park, MD
Laguna Beach, CA · $1,167 in drug and device payments (2025) · Telehealth · (949) 499-1339
Dr. Chay Bae, D.O.
Laguna Hills, CA · $611 in drug and device payments (2025) · Telehealth · (949) 448-0656
Dr. Sunil Gupta, D.O.
Laguna Hills, CA · No drug or device payments recorded (2025) · (949) 448-0656
Dr. Nazee Farsi, MD
Laguna Woods, CA · $2,254 in drug and device payments (2025) · Telehealth · (949) 340-4652
Dr. Arnoldas Ceponis, MD
La Jolla, CA · No drug or device payments recorded (2025) · Telehealth · (858) 657-6110
Dr. Arthur Kavanaugh, M.D.
La Jolla, CA · $113,486 in drug and device payments (2025) · Telehealth · (858) 657-7044
Dr. Brian Pedersen, M.B.B.S.
La Jolla, CA · $147 in drug and device payments (2025) · Telehealth · (619) 543-6248
Dr. Christina Payne, M.D.
La Jolla, CA · $18,662 in drug and device payments (2025) · Telehealth · (858) 554-8818
Dr. Dennis Carson, MD
La Jolla, CA · No drug or device payments recorded (2025) · (858) 534-5408
Dr. Edward Skol, M.D.
La Jolla, CA · $121 in drug and device payments (2025) · Telehealth · (858) 554-8637
Dr. Gary Williams, M.D.
La Jolla, CA · No drug or device payments recorded (2025) · (858) 554-8643
Dr. Gregory Middleton, MD
La Jolla, CA · No drug or device payments recorded (2025) · Telehealth · (858) 657-8200
Dr. Janel Jacob, M.D.
La Jolla, CA · No drug or device payments recorded (2025) · (858) 534-6533
Dr. Ken Pischel, M.D., PH.D.
La Jolla, CA · No drug or device payments recorded (2025) · (858) 554-8819
Dr. Monica Guma, M.D., PH.D.
La Jolla, CA · No drug or device payments recorded (2025) · Telehealth · (858) 642-3247
Dr. Peter Weis, M.D.
La Jolla, CA · $1,305 in drug and device payments (2025) · Telehealth · (858) 554-9100
Dr. Priya Reddy, MD
La Jolla, CA · $1,098 in drug and device payments (2025) · Telehealth · (858) 554-3200
Dr. Richard Keating, MD
La Jolla, CA · $35 in drug and device payments (2025) · Telehealth · (858) 554-8819
Dr. Stacey Schulman, M.D.
La Jolla, CA · $1,428 in drug and device payments (2025) · Telehealth · (858) 554-8271
Dr. Susan Lee, M.D.
La Jolla, CA · $199 in drug and device payments (2025) · Telehealth · (858) 657-6110
Dr. Ivette Stickelmaier, MD
Lakewood, CA · $570 in drug and device payments (2025) · (562) 630-3105
Dr. Akther Kotha, MD
La Mesa, CA · $5,971 in drug and device payments (2025) · (619) 229-1995
Dr. Dean Mayer, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · Telehealth · (619) 644-6750
Dr. James Malinak, M.D.
La Mesa, CA · No drug or device payments recorded (2025) · (619) 460-4050
Dr. Roshan Kotha, M.D
La Mesa, CA · $47,097 in drug and device payments (2025) · Telehealth · (619) 229-1995
Dr. Hans Weber, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 723-1481
Dr. Ronald Reichman, M.D.
Lancaster, CA · $850 in drug and device payments (2025) · (661) 945-0544
Dr. Gerald Ho, M.D.
La Palma, CA · $86 in drug and device payments (2025) · Telehealth · (714) 670-1340
Dr. Nina Trinh, M.D.
La Palma, CA · No drug or device payments recorded (2025) · Telehealth · (714) 670-1340
Dr. Sandy Lee, DO
La Palma, CA · $766 in drug and device payments (2025) · Telehealth · (714) 670-1340
Dr. Sarah Hwang, M.D.
La Palma, CA · No drug or device payments recorded (2025) · (714) 670-1340
Dr. Sheri Hsu, M.D.
La Quinta, CA · $7,527 in drug and device payments (2025) · Telehealth · (760) 771-1111
Dr. Arundathi Malladi, M.D.
Larkspur, CA · $785 in drug and device payments (2025) · Telehealth · (415) 464-9604
Dr. Michael Lyon, M.D.
Livermore, CA · No drug or device payments recorded (2025) · (650) 493-5000
Dr. Abdalhamid Al Harash, M.D., FACP
Loma Linda, CA · $2,224 in drug and device payments (2025) · Telehealth · (909) 558-4499
Dr. Anoop Bhatt, M.D.
Loma Linda, CA · $420 in drug and device payments (2025) · (909) 558-4000
Dr. Christina Downey, M.D.
Loma Linda, CA · $675 in drug and device payments (2025) · Telehealth · (909) 558-4000
Dr. Euly Langga-sharifi, MD
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 825-7084
Dr. Gitanjali Lobo
Loma Linda, CA · $659 in drug and device payments (2025) · Telehealth · (909) 558-4000
Dr. Joanne Kang, M.D.
Loma Linda, CA · $253 in drug and device payments (2025) · (909) 558-2191
Dr. John Rambharose, M.D.
Loma Linda, CA · $397 in drug and device payments (2025) · (909) 558-4911
Dr. Johnson Ong, DO
Loma Linda, CA · $202 in drug and device payments (2025) · (909) 558-2860
Dr. Keith Colburn, M.D.
Loma Linda, CA · $2,855 in drug and device payments (2025) · Telehealth · (909) 558-2191

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.