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

ALEXANDER PETER HATSIS, MD

OPHTHALMOLOGY

Medical school: FORDHAM UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1978

NPI: 1396817144

Practice Locations (1)

SIGHT MEDICAL DOCTORS PLLC

260 E MIDDLE COUNTRY RD, SUITE 201

SMITHTOWN, NY 117872925

6312658780

Source: CMS National Downloadable File, September 2026.

ALEXANDER HATSIS, MD | HealthCareAtlasUSA