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 / ID

JACK O CLARK, MD

INTERNAL MEDICINE

Medical school: PENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE

Graduated: 1999

NPI: 1902992837

Practice Locations (2)

MADISON MEMORIAL HOSPITAL

450 E MAIN ST

REBURG, ID 834402048

2083596516

MADISON CO MEMORIAL HOSPITAL

37 S 2ND

REXBURG, ID 834401906

2083560234

Source: CMS National Downloadable File, September 2026.

JACK CLARK, MD | HealthCareAtlasUSA