HealthcareDiscovery.AI / Doctors / California / Orange / Critical Care Medicine (Internal Medicine)

Critical Care Medicine (Internal Medicine) in Orange, California

Data updated monthly · Last refresh September 2026

21 Critical Care Medicine (Internal Medicine) providers practice in Orange. Listings are drawn from federal public records and are not endorsements.

Critical Care Medicine (Internal Medicine) 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. Adithya Cattamanchi, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Amir Ghiassi, M.D.
Orange, CA · $2,849 in drug and device payments (2025) · (714) 633-9111
Dr. Bassam Yaghmour, M.D.
Orange, CA · $76,306 in drug and device payments (2025) · Telehealth · (714) 456-8888
Dr. Desmond Sjauwfoekloy, MD
Orange, CA · $121 in drug and device payments (2025) · (714) 639-9401
Dr. Dinora Chinchilla, MD
Orange, CA · $34 in drug and device payments (2025) · Telehealth · (714) 880-7812
Dr. Huawei Dong, M.D.
Orange, CA · $14,423 in drug and device payments (2025) · Telehealth · (714) 456-7110
Dr. Hugo Paz Y Mar, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 880-7812
Dr. James Roum, MD
Orange, CA · $121 in drug and device payments (2025) · (714) 639-9401
Dr. Joseph Preston, M.D.
Orange, CA · $121 in drug and device payments (2025) · (714) 361-6600
Dr. Lillian Chow, MD
Orange, CA · $9,167 in drug and device payments (2025) · Telehealth · (714) 880-7812
Dr. Mark Rosen, MD
Orange, CA · $67 in drug and device payments (2025) · (714) 456-5150
Dr. Mark Wylam, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-7890
Dr. Martin Rofael
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-7890
Dr. Nikita Desai
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Peter Smethurst, MD
Orange, CA · $62 in drug and device payments (2025) · (714) 639-9401
Dr. Reza Mina-araghi, MD
Orange, CA · $377 in drug and device payments (2025) · (714) 361-6600
Dr. Richard Lee, MD
Orange, CA · $24 in drug and device payments (2025) · Telehealth · (267) 257-5416
Dr. Shahid Hayat, M.D.
Orange, CA · $3,268 in drug and device payments (2025) · (714) 361-6600
Dr. Steven Leven, MD
Orange, CA · No drug or device payments recorded (2025) · (562) 884-3783
Dr. Sudhir Rajan, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5150
Dr. Timmy Cheng, M.D.
Orange, CA · $1,064 in drug and device payments (2025) · Telehealth · (714) 456-7890

Common questions

How many Critical Care Medicine (Internal Medicine) providers are in Orange, California?

There are 21 Critical Care Medicine (Internal Medicine) providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

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 Critical Care Medicine (Internal Medicine) 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.