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 S SHAFFER, MD

INTERNAL MEDICINE

Graduated: 1976

NPI: 1295836674

Practice Locations (3)

69 -36 A 215 ST

BAY SIDE, NY 113642528

7182798787

69 -36 A 215 ST

OAKLAND GARDENS, NY 113642528

69 -36A

OAKLAND GARDENS, NY 113642528

Source: CMS National Downloadable File, September 2026.

MARK SHAFFER, MD | HealthCareAtlasUSA