Barr J. Petersen, M.D.
Hospitalist Physician · Billings, MT
Barr J. Petersen, M.D. is a hospitalist physician with a practice address in Billings, Montana, and NPI 1497933667, issued on Feb 9, 2008. Check the license (Montana MED-PHYS-LIC-48400, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Barr J. Petersen
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- MED-PHYS-LIC-48400 MT
48400 MT
42002 AZ
A125745 CA
6851493-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2800 10TH Ave N, Billings, MT 59101
- Phone
- (406) 238-4145
- Enumerated
- Feb 9, 2008
- Record last updated
- Feb 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20160805001267); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 101 in Montana → Look up another NPI →
Also registered at 2800 10TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ellen Absher, FNP-CFamily Nurse Practitioner1609709997
- Kimberly Ackerman, FNPAdult Health Nurse Practitioner1922032861
- Deborah Agnew, MDPediatrics Physician1134178072
- Stefan AlinteCertified Registered Nurse Anesthetist1518899053
- Erin Allen, MDPediatrics Physician1801052758
- Nathan Allen, M.D.Emergency Medicine Physician1356676878
Verify Barr J. Petersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-48400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Barr J. Petersen among 101 hospitalist physician records in Montana
Barr J. Petersen, M.D. is one of 101 hospitalist physician records with a practice address in Montana. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 39% of them.
- NPI issued2008 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2006 · median 2012 among the 79 with a school on file
- Record last updated2025 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Montana
There are 101 hospitalist physician records in Montana.
All 101 in Montana → Every provider in Billings → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Shelly Basye, M.D.Billings, MT 591011558569475
- Brendan Bellew, M.D.Billings, MT 591011578649513
- Dana Davis, MDBillings, MT 591011083736037
- Christopher Dietrich, D.O.Billings, MT 591011871988774
- Kylie Ebner, D.OBillings, MT 591011649666389
- Julian Grecco, MDBillings, MT 591011831383678
- Matthew Hartman, M.D.Billings, MT 591011083001374
- James JacksonBillings, MT 591011053755264
Common questions
What is Barr J. Petersen, M.D.'s NPI number?
Barr J. Petersen, M.D.'s National Provider Identifier (NPI) is 1497933667, issued on Feb 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Barr J. Petersen, M.D. located?
The NPPES record lists a practice address at 2800 10TH Ave N, Billings, MT, 59101. Phone: (406) 238-4145. Providers update this record themselves, so call before visiting.
How can I verify Barr J. Petersen, M.D.'s license?
NPPES lists Montana license number MED-PHYS-LIC-48400, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Barr J. Petersen, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.