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.
Where Rheumatologists in California practice
From CMS Medicare enrollment records covering 633 of the 923 providers listed here (69%). Providers who do not bill Medicare are not included in these figures.
27%solo or small practice (under 10 clinicians)
8%mid-size group (10 to 99)
65%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Rheumatologists | All clinicians in group | Main city |
| The Regents of the University of California | 49 | 1,426 | Santa Monica |
| Southern California Permanente Medical Group | 41 | 11,250 | San Diego |
| Permanente Medical Group Inc. | 29 | 10,928 | Stockton |
| Sutter Bay Medical Foundation | 24 | 3,783 | Palo Alto |
| University of California San Francisco | 22 | 1,780 | San Francisco |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Rheumatologists affiliated |
| Ronald Reagan UCLA Medical Center | Los Angeles | Government | 4 of 5 | 48 |
| Stanford Health Care | Stanford | Nonprofit | 5 of 5 | 39 |
| Cedars-Sinai Medical Center | Los Angeles | Nonprofit | 5 of 5 | 33 |
| Santa Monica - UCLA Med Ctr & Orthopaedic Hospital | Santa Monica | Nonprofit | 5 of 5 | 27 |
| UCSF Medical Center | San Francisco | Nonprofit | 4 of 5 | 25 |
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.
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. Penny Chong, M.D.Agoura Hills, CA · No drug or device payments recorded (2025) ·
(818) 781-5195 Dr. Wai Chung Yong, MDAlhambra, CA · $1,782 in drug and device payments (2025) · Telehealth ·
(626) 282-0282 Dr. Bryon Tseng, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Charles Kenyon, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-5449 Dr. Kara Bradford, M.D.Anaheim, CA · No drug or device payments recorded (2025) ·
(714) 279-4222 Dr. Kumar Venkat, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Maryam Gul, M.D.Anaheim, CA · $1,050 in drug and device payments (2025) ·
(714) 883-7180 Dr. Nicholas Kim, M.D.Anaheim, CA · $179 in drug and device payments (2025) ·
(714) 484-3781 Dr. Parke Chang, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Randy Lehmer, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Swati Medhekar, MDAnaheim, CA · No drug or device payments recorded (2025) ·
(888) 988-2800 Dr. Atul Agrawal, MDAntioch, CA · $2,907 in drug and device payments (2025) · Telehealth ·
(925) 813-6500 Dr. Bikramjit Ahluwalia, MDApple Valley, CA · $4,165 in drug and device payments (2025) · Telehealth ·
(760) 242-6442 Dr. Diraj Karnani, M. D.Apple Valley, CA · $630 in drug and device payments (2025) · Telehealth ·
(760) 946-9955 Dr. Emy Chen, MDArcadia, CA · $495 in drug and device payments (2025) · Telehealth ·
(626) 357-6808 Dr. Massoud Soleimani, MDArcadia, CA · $122 in drug and device payments (2025) · Telehealth ·
(626) 462-1884 Dr. Soon Min Tan, MDArcadia, CA · $480 in drug and device payments (2025) · Telehealth ·
(626) 357-6808 Dr. Stanley Alexander, MDArcadia, CA · $194 in drug and device payments (2025) ·
(626) 446-1972 Dr. Attiya Randolph, MDArroyo Grande, CA · $140 in drug and device payments (2025) · Telehealth ·
(805) 547-2224 Dr. Ena Sharma, M.D.Arroyo Grande, CA · $1,708 in drug and device payments (2025) · Telehealth ·
(805) 547-2224 Dr. Neil Wood, MDAuburn, CA · No drug or device payments recorded (2025) ·
(530) 888-6322 Dr. Jeffrey Bacon, D.O.Bakersfield, CA · $4,824 in drug and device payments (2025) · Telehealth ·
(661) 695-8385 Dr. Jim Kim, MDBakersfield, CA · $2,309 in drug and device payments (2025) · Telehealth ·
(661) 716-0333 Dr. Kenneth Hsu, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 322-2329 Dr. Kyaw Swe, M.DBakersfield, CA · No drug or device payments recorded (2025) · Telehealth ·
(661) 337-7166 Dr. Leonard Goldberg, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(661) 327-5037 Dr. Sumeet Bhinder, M.D.Bakersfield, CA · $269 in drug and device payments (2025) · Telehealth ·
(661) 588-4001 Dr. Yi Li, M.D.Bakersfield, CA · $4,699 in drug and device payments (2025) · Telehealth ·
(661) 695-8385 Dr. Helen Lu, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Jennifer Jang, M.D.Baldwin Park, CA · $29 in drug and device payments (2025) ·
(626) 813-4725 Dr. Linda Atkinson, MDBaldwin Park, CA · No drug or device payments recorded (2025) ·
(626) 851-1011 Dr. Diane Tjornhom, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Gerald Levy, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Virginia Chan, MDBellflower, CA · No drug or device payments recorded (2025) · Telehealth ·
(562) 461-3000 Dr. Brian Kaye, M.D.Berkeley, CA · $22 in drug and device payments (2025) ·
(510) 845-2529 Dr. Michael Manansala, MDBerkeley, CA · $6,339 in drug and device payments (2025) · Telehealth ·
(510) 204-8120 Dr. Molly Magnano, MDBerkeley, CA · $3,286 in drug and device payments (2025) · Telehealth ·
(510) 204-8120 Dr. Neftali Nevarez, M.D.Berkeley, CA · $1,307 in drug and device payments (2025) · Telehealth ·
(510) 204-8160 Dr. Sikai Yang, M.D.Berkeley, CA · $564 in drug and device payments (2025) · Telehealth ·
(510) 204-8120 Dr. Vania LinBerkeley, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 204-8120 Dr. Andy Nguyen, MDBeverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 855-7002 Dr. Bruce Miller, M.D.Beverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 272-1150 Dr. Chia-chi Lee, M.D., M.P.H.Beverly Hills, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 385-3298 Dr. Christine Lee, MDBeverly Hills, CA · $62,889 in drug and device payments (2025) · Telehealth ·
(310) 652-0920 Dr. Craig Gordon, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(213) 304-6199 Dr. Dahlia Carr, MDBeverly Hills, CA · $2,682 in drug and device payments (2025) · Telehealth ·
(310) 659-5905 Dr. Daniel Wallace, M.D.Beverly Hills, CA · $50,550 in drug and device payments (2025) ·
(310) 652-0920 Dr. Daphne Scaramangas-plumley, MDBeverly Hills, CA · $1,322 in drug and device payments (2025) · Telehealth ·
(310) 652-6003 Dr. David Hallegua, M.D.Beverly Hills, CA · $3,680 in drug and device payments (2025) ·
(310) 652-0928 Dr. David Silver, MDBeverly Hills, CA · No drug or device payments recorded (2025) ·
(310) 657-9650 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.
- Rheumatoid arthritis
- Lupus
- Gout
- Psoriatic arthritis
- Fibromyalgia
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.
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