Hospitalist
Dr. BARR PETERSEN M.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1497933667 · enumerated 2008-02-09 · record updated 2025-02-04. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 2800 10TH AVE N, BILLINGS, MT, 59101-0703 (406) 238-4145 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 35100, BILLINGS, MT, 59107-5100 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License A125745 CA
- Internal Medicine 207R00000X · License 42002 AZ
- Internal Medicine 207R00000X · License 6851493-1205 UT
- Internal Medicine 207R00000X · License 48400 MT
- Hospitalist 208M00000X · Primary · License MED-PHYS-LIC-48400 MT
In this directory
Locations and evidence
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Practice location
BILLINGS, MT, 591010703
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.