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. Lakshmi Myneni, MD
Mountain View, CA · $1,523 in drug and device payments (2025) · Telehealth · (650) 969-7006
Dr. Ranjana Sood, M.D.
Mountain View, CA · $1,024 in drug and device payments (2025) · Telehealth · (650) 934-7808
Dr. Richard Seto
Mountain View, CA · $161 in drug and device payments (2025) · Telehealth · (650) 934-7050
Dr. Wendy Perdomo Pena, M.D.
Mountain View, CA · $122 in drug and device payments (2025) · Telehealth · (408) 871-3400
Dr. Ying Wu, MD
Mountain View, CA · $155 in drug and device payments (2025) · Telehealth · (650) 734-7050
Dr. Brigid Freyne, M.D.
Murrieta, CA · $11,176 in drug and device payments (2025) · (951) 696-4600
Dr. Brittany Goss, D.O.
Napa, CA · No drug or device payments recorded (2025) · (707) 252-1035
Dr. Behzad Rahavi, M.D.
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 759-9110
Dr. Dan Mandel, MD
Newport Beach, CA · $13,841 in drug and device payments (2025) · Telehealth · (949) 631-6500
Dr. Dawn Hnat, M.D.
Newport Beach, CA · $144 in drug and device payments (2025) · (949) 721-6788
Dr. Jonathan Dau, M.D.
Newport Beach, CA · $8,657 in drug and device payments (2025) · Telehealth · (949) 791-3001
Dr. Kathy Karamlou, MD
Newport Beach, CA · $5,154 in drug and device payments (2025) · Telehealth · (949) 631-6500
Dr. Kiana Taba, M.D.
Newport Beach, CA · $1,322 in drug and device payments (2025) · Telehealth · (949) 438-3848
Dr. Mitchell Austin, MD
Newport Beach, CA · No drug or device payments recorded (2025) · (949) 644-1881
Dr. Frank Scott, D.O.
Nipomo, CA · $2,250 in drug and device payments (2025) · Telehealth · (805) 473-4001
Dr. Joshua Kashanirokh, PA
North Hollywood, CA · $4,719 in drug and device payments (2025) · (818) 760-7734
Dr. Jimmy Hwang, M.D.
Northridge, CA · No drug or device payments recorded (2025) · (818) 885-0588
Dr. Donald Pierce, MD
Novato, CA · No drug or device payments recorded (2025) · (415) 899-7400
Dr. Justine Shum, M.D.
Novato, CA · No drug or device payments recorded (2025) · (415) 464-9604
Dr. Arezoo Haghshenas, M.D.
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 752-1000
Dr. Chee Chow, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Ernest Maningding, MD, MPH
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4800
Dr. Jose Troncoso, MD
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 752-1000
Dr. Kate Scannell, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Lucy Liu
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 752-1275
Dr. Paul Feigenbaum, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 987-1000
Dr. Shweta Kishore, MD
Oakland, CA · $809 in drug and device payments (2025) · Telehealth · (510) 437-4800
Dr. Yi Yi Gu, M.D.
Oakland, CA · $77 in drug and device payments (2025) · (510) 465-6700
Dr. Saru Sachdeva, M.D.
Ontario, CA · No drug or device payments recorded (2025) · (909) 605-8000
Dr. Andrew Phan, M.D.
Orange, CA · $1,512 in drug and device payments (2025) · (714) 628-3322
Dr. Bao Quynh Huynh, M.D.
Orange, CA · $14 in drug and device payments (2025) · (714) 628-3128
Dr. Behnam Khaleghi, MD
Orange, CA · $4,374 in drug and device payments (2025) · Telehealth · (714) 628-9342
Dr. Brian S Andrews, MD
Orange, CA · $18 in drug and device payments (2025) · (714) 456-8978
Dr. Caroline Bui
Orange, CA · $765 in drug and device payments (2025) · Telehealth · (714) 456-8888
Dr. George Lawry, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7662
Dr. Ian Chang, D.O.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7720
Dr. Joo-hyung Lee, MD
Orange, CA · $4,754 in drug and device payments (2025) · Telehealth · (714) 245-0492
Dr. Joshua Lee, MD
Orange, CA · $3,025 in drug and device payments (2025) · (714) 245-0492
Dr. Mehrnaz Hojjati, M. D.
Orange, CA · $42,012 in drug and device payments (2025) · Telehealth · (714) 628-3230
Dr. Michael Cheng, DO
Orange, CA · $505 in drug and device payments (2025) · Telehealth · (714) 456-7110
Dr. Neha Chaurasia
Orange, CA · $252 in drug and device payments (2025) · Telehealth · (714) 456-5691
Dr. Nicole Ridolfi, D.O.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-7890
Dr. Nishitha Shekhar, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Priyanka Iyer, M.B.B.S, M.P.H
Orange, CA · $236 in drug and device payments (2025) · Telehealth · (714) 880-7812
Dr. Sheetal Desai, MD
Orange, CA · $79,821 in drug and device payments (2025) · Telehealth · (714) 456-8068
Dr. Soo Yeon Kim, MD
Orange, CA · $56 in drug and device payments (2025) · Telehealth · (714) 456-8888
Dr. Tejal Thakkar, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 506-8373
Dr. Thomas Powell, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 245-0492
Dr. Tun Tun Aung, DO
Orange, CA · $125 in drug and device payments (2025) · (714) 907-6138
Dr. Rae Bourne, M.D.
Orinda, CA · No drug or device payments recorded (2025) · (925) 257-2896

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.