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 / ME

MARGARET O'HALLORAN

CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)

Graduated: 2007

NPI: 1356545248

Practice Locations (2)

EASTERN MAINE MEDICAL CENTER

1 NORTHEAST DR, NORTHERN LIGHT CARDIOLOGY

BANGOR, ME 044014332

2072753800

EASTERN MAINE MEDICAL CENTER

489 STATE ST

BANGOR, ME 044016616

2079737000

Source: CMS National Downloadable File, September 2026.

MARGARET O'HALLORAN | HealthCareAtlasUSA