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. Angelica Shepard, MD
Oxnard, CA · $1,838 in drug and device payments (2025) · Telehealth · (805) 981-3770
Dr. Howard Hoos, MD
Oxnard, CA · No drug or device payments recorded (2025) · (805) 487-0464
Dr. Lorilee Sutter, M.D.
Palm Springs, CA · $850 in drug and device payments (2025) · (760) 320-8814
Dr. Michael Lovy, M.D.
Palm Springs, CA · No drug or device payments recorded (2025) · (760) 323-8657
Dr. Zaynb Hassan, M.D
Palm Springs, CA · No drug or device payments recorded (2025) · (760) 656-1406
Dr. Alvina Chu, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-6961
Dr. Arthur Bobrove, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 321-4121
Dr. Christine Thorburn, MD
Palo Alto, CA · $77 in drug and device payments (2025) · Telehealth · (650) 321-4121
Dr. David Fischer, MD
Palo Alto, CA · No drug or device payments recorded (2025) · Telehealth · (650) 321-4121
Dr. James Fries, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 723-6961
Dr. Jeremy Sokolove, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 493-5000
Dr. Johannes Nowatzky, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Jungsik Song, MD
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 498-5630
Dr. Lorinda Chung, MD
Palo Alto, CA · $3,200 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Melvin Britton
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 321-4121
Dr. Nathan Karp
Palo Alto, CA · $42 in drug and device payments (2025) · Telehealth · (650) 853-2275
Dr. Poonam Manwani, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · Telehealth · (650) 853-2275
Dr. Robert Fairchild, M.D., PH.D.
Palo Alto, CA · No drug or device payments recorded (2025) · Telehealth · (650) 723-4000
Dr. Siba Raychaudhuri, M.D.
Palo Alto, CA · $19,910 in drug and device payments (2025) · Telehealth · (650) 424-9147
Dr. Bruce Tang, MD
Panorama City, CA · No drug or device payments recorded (2025) · (818) 375-2000
Dr. Minh Chau Nguyen, M.D.
Panorama City, CA · No drug or device payments recorded (2025) · (818) 375-2000
Dr. Brian Oconnor, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 795-4116
Dr. Darice Yang, M.D.
Pasadena, CA · $2,751 in drug and device payments (2025) · Telehealth · (626) 397-8323
Dr. David Brown, MD
Pasadena, CA · No drug or device payments recorded (2025) · (626) 795-4116
Dr. Dean Noritake, MD
Pasadena, CA · $4,421 in drug and device payments (2025) · (626) 296-2910
Dr. Irene Tong, M.D.
Pasadena, CA · $4,325 in drug and device payments (2025) · (626) 296-2910
Dr. Roodabeh Koolaee, DO
Pasadena, CA · $488 in drug and device payments (2025) · (808) 531-4274
Dr. Stratos Christianakis, M.D.
Pasadena, CA · No drug or device payments recorded (2025) · Telehealth · (626) 568-1622
Dr. Vickram Reehal, M.D.
Pasadena, CA · $125 in drug and device payments (2025) · Telehealth · (626) 799-4194
Dr. Saleem Waraich, M.D.
Placentia, CA · $574 in drug and device payments (2025) · Telehealth · (714) 203-1531
Dr. Hisako Leung
Pleasanton, CA · $744 in drug and device payments (2025) · (925) 600-8220
Dr. Emmanuel Katsaros, D.O.
Pomona, CA · $139 in drug and device payments (2025) · (909) 865-2565
Dr. Jaffar Tremazi, MD
Pomona, CA · $616 in drug and device payments (2025) · Telehealth · (909) 469-1823
Dr. Sue Chung, MD.
Porter Ranch, CA · $126 in drug and device payments (2025) · Telehealth · (818) 403-2420
Dr. Vibeke Strand, M.D.
Portola Valley, CA · $50,800 in drug and device payments (2025) · (650) 529-0150
Dr. Smitha Reddy, M.D.
Poway, CA · $3,792 in drug and device payments (2025) · Telehealth · (858) 312-1717
Dr. Soumya Rao, M.D.
Poway, CA · $3,295 in drug and device payments (2025) · Telehealth · (858) 675-3150
Dr. Robinder Dhillon, M.D., M.B.A.
Rancho Cordova, CA · $1,102 in drug and device payments (2025) · Telehealth · (916) 363-2229
Dr. Kavoos Nazeri, M.D.
Rancho Cucamonga, CA · $4,015 in drug and device payments (2025) · Telehealth · (909) 466-0550
Dr. Amit Ladani, M.D.
Rancho Mirage, CA · $622 in drug and device payments (2025) · (760) 834-7959
Dr. Brian Behnke, DO
Rancho Mirage, CA · $2,498 in drug and device payments (2025) · Telehealth · (760) 568-3613
Dr. Kam Newman, M.D.
Rancho Mirage, CA · $46 in drug and device payments (2025) · Telehealth · (760) 837-8569
Dr. Tharaknath Rao, M.D.
Rancho Santa Fe, CA · No drug or device payments recorded (2025) · (858) 205-7336
Dr. Justina Tseng, MD
Redding, CA · $327 in drug and device payments (2025) · (530) 287-9758
Dr. Pegah Jahangiri, MD
Redding, CA · $288 in drug and device payments (2025) · (530) 287-9758
Dr. Timothy Peters, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 241-8822
Dr. Veena Rao, M.D.
Redding, CA · $59 in drug and device payments (2025) · Telehealth · (530) 287-9758
Dr. William Reeder, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 241-8822
Dr. Gilbert Putnoky, M.D.
Redlands, CA · No drug or device payments recorded (2025) · (909) 793-3311
Dr. Loomee Doo, MD
Redlands, CA · No drug or device payments recorded (2025) · (909) 825-7084

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.