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Surgery in Orange, California

Data updated monthly · Last refresh September 2026

59 Surgery providers practice in Orange, and 69% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Surgery 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. Abtin Khosravi, M.D.
Orange, CA · $5,937 in drug and device payments (2025) · Telehealth · (714) 541-4996
Dr. Alexander Marrotte, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Alisan Fathalizadeh, M.D., M.P.H.
Orange, CA · $13,971 in drug and device payments (2025) · Telehealth · (714) 456-8888
Dr. Amy Li, M.D.
Orange, CA · $121 in drug and device payments (2025) · (714) 509-2742
Dr. Andrew Barleben, M.D., M.P.H.
Orange, CA · $54,395 in drug and device payments (2025) · Telehealth · (714) 456-5532
Dr. Annie Wang, M.D.
Orange, CA · $4,397 in drug and device payments (2025) · Telehealth · (917) 328-6369
Dr. Atul Madan, MD
Orange, CA · $270 in drug and device payments (2025) · Telehealth · (562) 270-5411
Dr. Brian Smith, MD
Orange, CA · $556 in drug and device payments (2025) · Telehealth · (714) 456-8598
Dr. Bryan Campbell, D.O.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Christina Kopatz, MD
Orange, CA · $1,085 in drug and device payments (2025) · (714) 509-2377
Dr. Christopher Armstrong, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8598
Dr. Darshak Thosani, MD
Orange, CA · $1,038 in drug and device payments (2025) · (714) 456-7890
Dr. David K Imagawa, MD
Orange, CA · $7,929 in drug and device payments (2025) · Telehealth · (714) 456-8978
Dr. Derek Banyard, M.D.
Orange, CA · $30,097 in drug and device payments (2025) · (714) 939-4028
Dr. Ellyn Smith, M.D
Orange, CA · $150 in drug and device payments (2025) · (714) 456-8598
Dr. Eric Kuncir, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5890
Dr. Eric Pham, MD
Orange, CA · $431 in drug and device payments (2025) · (714) 541-4343
Dr. Grace Hwang, MD
Orange, CA · $4,925 in drug and device payments (2025) · Telehealth · (714) 202-5682
Dr. Hisham El-bayar, M.D., F.A.C.S.
Orange, CA · $27 in drug and device payments (2025) · (714) 835-8300
Dr. Hubert Kim, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5532
Dr. Hugh Chung
Orange, CA · $1,330 in drug and device payments (2025) · (714) 456-5840
Dr. Janelle Lopez, DO
Orange, CA · $238 in drug and device payments (2025) · (714) 456-8888
Dr. Jay Harness, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 744-8601
Dr. Jeffrey Chao, MD
Orange, CA · $33 in drug and device payments (2025) · (714) 880-7812
Dr. Jill Endres, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-6383
Dr. John Stuart Nelson, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Joseph Chen, M.D.
Orange, CA · $49 in drug and device payments (2025) · (714) 998-4408
Dr. Katie Galvin
Orange, CA · $407 in drug and device payments (2025) · Telehealth · (714) 456-5532
Dr. Kim Charney, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 550-0600
Dr. Kristelle Lusby
Orange, CA · $1,174 in drug and device payments (2025) · (714) 456-5532
Dr. Leah Chase, MD
Orange, CA · $779 in drug and device payments (2025) · (714) 456-7890
Dr. Maher Gobran, M.D.
Orange, CA · $2,181 in drug and device payments (2025) · (714) 835-2500
Dr. Maki Yamamoto, MD
Orange, CA · $225 in drug and device payments (2025) · Telehealth · (714) 456-6847
Dr. Mallory Jebbia, MD
Orange, CA · $465 in drug and device payments (2025) · (714) 456-5000
Dr. Marcelo Hinojosa, MD
Orange, CA · $404 in drug and device payments (2025) · Telehealth · (714) 456-7890
Dr. Mhdshafic Abdulkarim, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5253
Dr. Michael J Stamos, MD
Orange, CA · $147 in drug and device payments (2025) · (714) 456-8978
Dr. Milton Owens, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 997-4448
Dr. Miya Yoshida, DO
Orange, CA · $802 in drug and device payments (2025) · (714) 706-9308
Dr. Molly Deane, M.D.
Orange, CA · $225 in drug and device payments (2025) · (714) 456-5532
Dr. Nathan Schoen, MD, MPH
Orange, CA · $690 in drug and device payments (2025) · (818) 585-9023
Dr. Neilesh Parikh, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Ninh Nguyen, MD
Orange, CA · $13,883 in drug and device payments (2025) · Telehealth · (888) 717-4463
Dr. Rajesh Khanijou, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 744-2403
Dr. Reed Ayabe, M.D.
Orange, CA · $5,072 in drug and device payments (2025) · Telehealth · (808) 392-4919
Dr. Rene Tellez, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5532
Dr. Richard Moore, MD
Orange, CA · $9,036 in drug and device payments (2025) · (714) 456-5532
Dr. Rommell Noche
Orange, CA · $342 in drug and device payments (2025) · (714) 456-7645
Dr. Russell A Williams, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Sami Hamamji, M.D.
Orange, CA · $161 in drug and device payments (2025) · (714) 541-5959

Common questions

How many Surgery providers are in Orange, California?

There are 59 Surgery providers with active NPI records practicing in Orange, according to federal NPPES data refreshed monthly.

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

41 of 59 (69%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Surgery 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.