HealthcareDiscovery.AI / Doctors / Indiana / Evansville / Colon & Rectal Surgery

Colon & Rectal Surgery in Evansville, Indiana

Data updated monthly · Last refresh September 2026

6 Colon & Rectal Surgery providers practice in Evansville. Listings are drawn from federal public records and are not endorsements.

Colon & Rectal Surgery providers in Evansville

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. Heather Matheson, MD
Evansville, IN · $175 in drug and device payments (2025) · (812) 301-8110
Dr. James Waller, MD
Evansville, IN · No drug or device payments recorded (2025) · (812) 301-8110
Dr. Joseph Adongay, M.D.
Evansville, IN · $95 in drug and device payments (2025) · (812) 301-8110
Dr. Randall Krystosek, M.D.
Evansville, IN · No drug or device payments recorded (2025) · (812) 477-9241
Dr. Santiago Arruffat, M.D.
Evansville, IN · $299 in drug and device payments (2025) · (812) 301-8110
Dr. Syam Chilukuri, MD
Evansville, IN · No drug or device payments recorded (2025) · (812) 301-8110

Common questions

How many Colon & Rectal Surgery providers are in Evansville, Indiana?

There are 6 Colon & Rectal Surgery providers with active NPI records practicing in Evansville, 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 Evansville Colon & Rectal Surgery across Indiana

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.