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 / ME

MARK E CIENIAWSKI, MD

INTERNAL MEDICINE

Medical school: NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL

Graduated: 1991

NPI: 1205870607

Practice Locations (2)

NORTHERN MAINE MEDICAL CENTER

194 E MAIN ST

FORT KENT, ME 047431428

2078343155

NORTHERN MAINE MEDICAL CENTER

197 E MAIN ST

FORT KENT, ME 047431409

2078345877

Source: CMS National Downloadable File, September 2026.