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 / NY

MARK D TIEMAN, MD

INTERNAL MEDICINE

Medical school: ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY

Graduated: 1986

Offers telehealth

NPI: 1154494003

Practice Locations (1)

356 VETERANS MEMORIAL HWY

COMMACK, NY 117254332

6318580400

Source: CMS National Downloadable File, September 2026.

MARK TIEMAN, MD | HealthCareAtlasUSA