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 / MA

ETHAN A CHAPIN, MD

EMERGENCY MEDICINE

Medical school: STATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE

Graduated: 2012

NPI: 1386906055

Practice Locations (3)

MASS GENERAL BRIGHAM MEDICAL GROUP WESTERN MASSACHUSETTS INC

30 LOCUST ST

NORTHAMPTON, MA 010602052

4135822363

COOLEY DICKINSON HOSPITAL INC

30 LOCUST ST

NORTHAMPTON, MA 010602052

4135822000

COOLEY DICKINSON HOSPITAL INC

12 COLLEGE HWY

SOUTHAMPTON, MA 010739406

4135271105

Source: CMS National Downloadable File, September 2026.