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 S WALLIS, MD

DERMATOLOGY

Medical school: UNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO

Graduated: 1988

NPI: 1861489049

Practice Locations (1)

WALLIS DERMATOLOGY ASSOCIATES PLLC

3535 N 4TH ST, SUITE 400

LONGVIEW, TX 756050036

9037573881

Source: CMS National Downloadable File, September 2026.