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 / VA

MICHAEL ALBERT WALTER HATTWICK, MD

INTERNAL MEDICINE

Medical school: BAYLOR COLLEGE OF MEDICINE

Graduated: 1968

Also: PREVENTIVE MEDICINE

Offers telehealth

NPI: 1356496988

Practice Locations (1)

7732 DONEGAN DR

MANASSAS, VA 201092868

5714592960

Source: CMS National Downloadable File, September 2026.