HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / KS

MARK A THOMAS, MD

INTERNAL MEDICINE

Graduated: 1990

NPI: 1629086277

Practice Locations (1)

COTTON-O'NEIL CLINIC REVOCABLE TRUST

901 SW GARFIELD AVE

TOPEKA, KS 666061670

7853549591

Source: CMS National Downloadable File, September 2026.

MARK THOMAS, MD | HealthCareAtlasUSA