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Internal Medicine in Orange, California

Data updated monthly · Last refresh September 2026

188 Internal Medicine providers practice in Orange, and 40% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

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. Shahab Zahed, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 733-1333
Dr. Shahroze Ranjha, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Shane Sheahan
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (419) 205-3144
Dr. Shenfon Chou, M.D.
Orange, CA · $33 in drug and device payments (2025) · (646) 823-6322
Dr. Shilpa Deshmukh, M.D.
Orange, CA · No drug or device payments recorded (2025) · (949) 645-0000
Dr. Shirin Majdizadeh, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 771-8177
Dr. Shoujit Banerjee
Orange, CA · $242 in drug and device payments (2025) · (714) 456-5691
Dr. Simin Torabzadeh, MD
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-8978
Dr. Somnath Ganapa, M.D.
Orange, CA · $33 in drug and device payments (2025) · (714) 771-8177
Dr. Sonia R Sehgal, MD
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-8978
Dr. Sonja Abbassi, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 628-3345
Dr. Sophocles N Panagon, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Spencer Gibson
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5691
Dr. Stephanie Lee
Orange, CA · $381 in drug and device payments (2025) · (714) 456-5691
Dr. Suma Srinath, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 335-9968
Dr. Suresh Veeramachaneni, M.D.
Orange, CA · $18 in drug and device payments (2025) · (714) 771-8000
Dr. Sweta Chekuri, MD
Orange, CA · $317 in drug and device payments (2025) · (714) 880-7812
Dr. Tackson Tam, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 361-6600
Dr. Tai Truong, MD
Orange, CA · $27 in drug and device payments (2025) · (714) 602-7805
Dr. Talal Al-assil
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Tammy Miller, M.D.
Orange, CA · $62 in drug and device payments (2025) · (714) 456-7890
Dr. Taylor Tso
Orange, CA · $66 in drug and device payments (2025) · (714) 456-5691
Dr. Thomas Blair, INTERNAL MEDICINE
Orange, CA · No drug or device payments recorded (2025) · (714) 538-7060
Dr. Thomas Hryniewicki, M.D.
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 997-2899
Dr. Tianyu Chen, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Timothy Vu, MD
Orange, CA · $59 in drug and device payments (2025) · (714) 456-5691
Dr. Travis Nesbit, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Trevor Mccracken, MD
Orange, CA · $119 in drug and device payments (2025) · (714) 456-5691
Dr. Tsang Lau, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 202-2330
Dr. Uzma Ahmed, MD
Orange, CA · $604 in drug and device payments (2025) · Telehealth · (714) 532-6713
Dr. Vishnu Bharani
Orange, CA · $234 in drug and device payments (2025) · (714) 456-5691
Dr. William Nguyen, M.D.
Orange, CA · $57 in drug and device payments (2025) · (408) 826-2362
Dr. Yadani Al-saleh, M.D.
Orange, CA · $498 in drug and device payments (2025) · Telehealth · (714) 532-6713
Dr. Yanfeng Wang, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6444
Dr. Yasir Khan, M.D.
Orange, CA · $237 in drug and device payments (2025) · (714) 456-6589
Dr. Yio-fan Hsu, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 633-1011
Dr. Zeinab Dabbah, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 867-9657
Dr. Zena Taraporewalla, DO
Orange, CA · $156 in drug and device payments (2025) · Telehealth · (714) 456-8888

Conditions Internal Medicine providers in Orange, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Orange, California?

There are 188 Internal Medicine providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Orange received drug or device company payments?

76 of 188 (40%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Orange treat?

Internal Medicine providers in Orange commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 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.