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

IAN HAMMER, MD

PSYCHIATRY

Graduated: 2021

NPI: 1114505070

Practice Locations (1)

1493 CAMBRIDGE ST

CAMBRIDGE, MA 021391099

Source: CMS National Downloadable File, September 2026.

IAN HAMMER, MD | HealthCareAtlasUSA