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 FILSTEIN, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE

Graduated: 1985

NPI: 1649396110

Practice Locations (1)

MARK FILSTEIN MD PLLC

2422 KNAPP ST

BROOKLYN, NY 112351006

7189346777

Source: CMS National Downloadable File, September 2026.

MARK FILSTEIN, MD | HealthCareAtlasUSA