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 / MN

DAVID J MAST, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF MINNESOTA MEDICAL SCHOOL

Graduated: 1985

NPI: 1912958331

Practice Locations (2)

ST. LUKE'S HOSPITAL OF DULUTH

1015 E 1ST ST

DULUTH, MN 558052242

2182497860

POLINSKY MEDICAL REHABILITATION CENTER

1600 MILLER TRUNK HWY, BLDG C

DULUTH, MN 558115640

2187865360

Source: CMS National Downloadable File, September 2026.

DAVID MAST, MD | HealthCareAtlasUSA