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 / WI

MARK CATHERALL, MD

HOSPITALIST

Medical school: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE

Graduated: 1998

Also: INTERNAL MEDICINE

NPI: 1235169251

Practice Locations (2)

COLUMBIA ST MARYS HOSPITAL MILWAUKEE INC

2301 N LAKE DR

MILWAUKEE, WI 532114508

4145851000

ASCENSION MEDICAL GROUP-SOUTHEAST WISCONSIN INC

3801 SPRING ST

MOUNT PLEASANT, WI 534051667

2626874011

Source: CMS National Downloadable File, September 2026.

MARK CATHERALL, MD | HealthCareAtlasUSA