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 / TX

DONALD WILLIS, MD

UROLOGY

Medical school: UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON

Graduated: 1983

NPI: 1316940372

Practice Locations (2)

1601 A REDWOOD RD

SAN MARCOS, TX 786661423

1601 REDWOOD RD A

SAN MARCOS, TX 786661423

5123964400

Source: CMS National Downloadable File, September 2026.

DONALD WILLIS, MD | HealthCareAtlasUSA