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. Maurice Kinsolving, MD
San Rafael, CA · No drug or device payments recorded (2025) · (415) 444-2000
Dr. Neal Birnbaum, M.D.
San Rafael, CA · $16,645 in drug and device payments (2025) · Telehealth · (415) 464-9604
Dr. Melissa Mcnamara, MD
San Ramon, CA · $100 in drug and device payments (2025) · Telehealth · (925) 242-1111
Dr. Jeff Sarkozi, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 973-4636
Dr. Krishan Khurana, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 547-0969
Dr. Ronald Kaufman, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 428-6812
Dr. Christian Powell
Santa Barbara, CA · $2,144 in drug and device payments (2025) · Telehealth · (805) 681-1761
Dr. Courtney Stull, M.D.
Santa Barbara, CA · $320 in drug and device payments (2025) · Telehealth · (805) 682-7111
Dr. Daniel Gibson, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 681-1761
Dr. Edward Mcginn, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 681-1761
Dr. Erin Hammett, DO.
Santa Barbara, CA · $51 in drug and device payments (2025) · (805) 898-3077
Dr. Hans Richard Barthel, M.D.
Santa Barbara, CA · $1,586 in drug and device payments (2025) · (805) 969-2560
Dr. Robert Klein, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 682-4751
Dr. Sara Taroumian, M.D.
Santa Barbara, CA · $1,744 in drug and device payments (2025) · Telehealth · (805) 681-1761
Dr. Stuart Segal, M.D.
Santa Barbara, CA · $23,632 in drug and device payments (2025) · Telehealth · (805) 681-1761
Dr. Susan Lemon, DO
Santa Barbara, CA · $989 in drug and device payments (2025) · Telehealth · (805) 681-1761
Dr. Susan Mansourian, MD
Santa Barbara, CA · $513 in drug and device payments (2025) · Telehealth · (805) 681-7500
Dr. Suzanne Delea, MD
Santa Barbara, CA · $1,410 in drug and device payments (2025) · Telehealth · (805) 681-8974
Dr. Timothy Spiegel, M.D.
Santa Barbara, CA · $1,367 in drug and device payments (2025) · (805) 682-5752
Dr. Wonuk Lee, M.D.
Santa Barbara, CA · No drug or device payments recorded (2025) · (805) 682-6363
Dr. Pradipta Ghosh, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 554-9800
Dr. Roshan Dhawale, M.D.
Santa Clara, CA · $17 in drug and device payments (2025) · (408) 851-5145
Dr. Stephanie Chu, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Suresh Maharjan, MD
Santa Clara, CA · No drug or device payments recorded (2025) · Telehealth · (408) 851-1000
Dr. Thomas Burns, MD
Santa Clara, CA · No drug or device payments recorded (2025) · (408) 851-1000
Dr. Amir Moldovan, MD
Santa Clarita, CA · $39 in drug and device payments (2025) · (661) 505-9901
Dr. Hamayon Babary, M.D.
Santa Clarita, CA · $207 in drug and device payments (2025) · Telehealth · (661) 250-5200
Dr. Yoon Min, M.D.
Santa Clarita, CA · $2,556 in drug and device payments (2025) · (661) 254-1202
Dr. Alfred Petrocelli
Santa Cruz, CA · No drug or device payments recorded (2025) · Telehealth · (831) 458-5547
Dr. Brent Culver, MD
Santa Cruz, CA · No drug or device payments recorded (2025) · Telehealth · (831) 458-5577
Dr. Eric Seronick, D.O.
Santa Cruz, CA · No drug or device payments recorded (2025) · Telehealth · (831) 458-5577
Dr. Lester Miller, M.D.
Santa Cruz, CA · No drug or device payments recorded (2025) · Telehealth · (831) 458-0941
Dr. Matthew Reimert, M.D.
Santa Cruz, CA · No drug or device payments recorded (2025) · Telehealth · (831) 458-5577
Dr. Michelle Di Fiore, M.D.
Santa Cruz, CA · $16 in drug and device payments (2025) · Telehealth · (831) 475-8834
Dr. Neharika Bhardwaj, MD
Santa Cruz, CA · $1,698 in drug and device payments (2025) · Telehealth · (831) 462-8960
Dr. Karen Kolba, MD
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 925-8899
Dr. Alana Haussmann, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 582-6350
Dr. Amro Balki, M.D.
Santa Monica, CA · $255,973 in drug and device payments (2025) · Telehealth · (310) 449-1999
Dr. Amy Kehl, MD
Santa Monica, CA · $1,482 in drug and device payments (2025) · Telehealth · (310) 449-1999
Dr. Benedict Tiong, M.D.
Santa Monica, CA · $125 in drug and device payments (2025) · Telehealth · (310) 582-6350
Dr. Elyse Rubenstein, MD
Santa Monica, CA · $1,830 in drug and device payments (2025) · Telehealth · (310) 256-2425
Dr. Howard Yang, MD
Santa Monica, CA · $763 in drug and device payments (2025) · Telehealth · (310) 582-6350
Dr. Katy Setoodeh, M.D.
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 582-7312
Dr. Kristal Choi, M.D.
Santa Monica, CA · No drug or device payments recorded (2025) · Telehealth · (310) 582-6350
Dr. Linh Truong
Santa Monica, CA · $22 in drug and device payments (2025) · Telehealth · (310) 582-6350
Dr. May Chatila, M.D.
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 315-3500
Dr. Neha Singh, DO
Santa Monica, CA · No drug or device payments recorded (2025) · Telehealth · (310) 582-6350
Dr. Orrin Troum, MD
Santa Monica, CA · $322,150 in drug and device payments (2025) · Telehealth · (310) 449-1999
Dr. Peter Bardwick, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 828-4759
Dr. Sandra Ramer, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 453-3568

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.