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 / MT

BARR PETERSEN, MD

HOSPITALIST

Graduated: 2006

NPI: 1497933667

Practice Locations (2)

BILLINGS CLINIC

2800 10TH AVE N

BILLINGS, MT 591010703

4066574000

BILLINGS CLINIC

2800 10TH AVE N, SUITE D

BILLINGS, MT 591010703

4062382500

Source: CMS National Downloadable File, September 2026.

BARR PETERSEN, MD | HealthCareAtlasUSA