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

MARK J WILLIAMS, CP

CLINICAL PSYCHOLOGIST

Graduated: 2001

NPI: 1811020076

Practice Locations (1)

17740 PRESTON RD, SUITE 100C

DALLAS, TX 752525827

2149278456

Source: CMS National Downloadable File, September 2026.

MARK WILLIAMS, CP | HealthCareAtlasUSA