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 / WY

MICHAEL W BRENNAN, MD

INTERVENTIONAL CARDIOLOGY

Medical school: UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE

Graduated: 1984

NPI: 1619903705

Practice Locations (2)

BIG HORN HEALTH NETWORK

1333 W 5TH ST

SHERIDAN, WY 828012752

BIG HORN HEALTH NETWORK

1401 W 5TH ST

SHERIDAN, WY 828012705

3076721000

Source: CMS National Downloadable File, September 2026.

MICHAEL BRENNAN, MD | HealthCareAtlasUSA