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

AMMAR HASAN, MD

INTERNAL MEDICINE

Graduated: 2016

NPI: 1215596523

Practice Locations (1)

HOSPITAL MEDICINE SERVICES OF TX, PLLC

21214 NORTHWEST FWY, HCA HOUSTON N CYPRESS

CYPRESS, TX 774292105

8329123500

Source: CMS National Downloadable File, September 2026.

AMMAR HASAN, MD | HealthCareAtlasUSA