HealthcareDiscovery.AI / Doctors / California / Orange / Rheumatology

Rheumatology in Orange, California

Data updated monthly · Last refresh September 2026

20 Rheumatology providers practice in Orange. Listings are drawn from federal public records and are not endorsements.

Rheumatology providers in Orange

Listed alphabetically. 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. 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

Conditions Rheumatology providers in Orange, 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 Orange, California?

There are 20 Rheumatology providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

What conditions do Rheumatology providers in Orange treat?

Rheumatology providers in Orange 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 records 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.

All specialties in Orange Rheumatology across California

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.