Colon & Rectal Surgery in Orange, California
Data updated monthly · Last refresh September 2026
7 Colon & Rectal Surgery providers practice in Orange. Listings are drawn from federal public records and are not endorsements.
Colon & Rectal 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. Anita Gregory, M.D.Orange, CA · $4,947 in drug and device payments (2025) ·
(714) 835-8300 Dr. Catherine Zhu, M.D.Orange, CA · $5,982 in drug and device payments (2025) · Telehealth ·
(714) 456-8888 Dr. George Moro, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 836-1595 Dr. Joseph Carmichael, MDOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(714) 880-7812 Dr. Richard StrakerOrange, CA · No drug or device payments recorded (2025) · Telehealth ·
(215) 662-4000 Dr. Skandan Shanmugan, MDOrange, CA · $4,887 in drug and device payments (2025) · Telehealth ·
(714) 456-8888 Dr. Valery Vilchez, M.D.Orange, CA · $3,524 in drug and device payments (2025) · Telehealth ·
(317) 777-9718 Common questions
How many Colon & Rectal Surgery providers are in Orange, California?There are 7 Colon & Rectal Surgery 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 Colon & Rectal Surgery across California
