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

MARY T OBRIEN, CNM

CERTIFIED NURSE MIDWIFE (CNM)

Graduated: 1985

NPI: 1083614994

Practice Locations (1)

HOLYOKE MEDICAL CENTER INC

15 HOSPITAL DR, SUITE 501

HOLYOKE, MA 010406606

4135342826

Source: CMS National Downloadable File, September 2026.

MARY OBRIEN, CNM | HealthCareAtlasUSA