Mary Bethany McMaster, M.D.
Emergency Medicine Physician · Bozeman, MT
Mary Bethany McMaster, M.D. is an emergency medicine physician with a practice address in Bozeman, Montana, and NPI 1356704498, issued on Apr 4, 2016. Check the license (Montana MED-PHYS-LIC-73042, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Bethany McMaster
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MED-PHYS-LIC-73042 MT
390200000 NM
MD2018-0895 NM
Self-reported in NPPES; status is on the state search - Practice location
- 915 Highland Blvd, Bozeman, MT 59715
- Phone
- (406) 414-5000
- Enumerated
- Apr 4, 2016
- Record last updated
- Apr 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20190712002162); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 243 in Montana → Look up another NPI →
Also registered at 915 Highland Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michelle Bailey, RN, CS, FNPFamily Nurse Practitioner1134546781
Verify Mary Bethany McMaster 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-73042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average emergency medicine physician in 2024
47 Medicare Part D claims for 38 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
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
- Bozeman Health Deaconess HospitalBozeman, 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.
Mary Bethany McMaster among 243 emergency medicine physician records in Montana
Mary Bethany McMaster, M.D. is one of 243 emergency medicine physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2009 among the 144 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 emergency medicine physician records list a practice address in Bozeman
They are 32 of the 2,433 NPPES records with a practice address in Bozeman, and 243 emergency medicine physician records in Montana.
All 243 in Montana → Every provider in Bozeman → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jesse Coil, DOBozeman, MT 597151770789323
- Mary Drake, MDBozeman, MT 597151831109362
- Douglas Elson, DOBozeman, MT 597151063422889
- Charles Fritz, MDBozeman, MT 597151659381473
- Steven Gipe, DOBozeman, MT 597151134132988
- Niels Harden, M.D.Bozeman, MT 597151083819445
- Joshua Holexa, M.D.Bozeman, MT 597151740443407
- Harry Kelleher, M.D.Bozeman, MT 597151467644765
Common questions
What is Mary Bethany McMaster, M.D.'s NPI number?
Mary Bethany McMaster, M.D.'s National Provider Identifier (NPI) is 1356704498, issued on Apr 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Bethany McMaster, M.D. located?
The NPPES record lists a practice address at 915 Highland Blvd, Bozeman, MT, 59715. Phone: (406) 414-5000. Providers update this record themselves, so call before visiting.
How can I verify Mary Bethany McMaster, M.D.'s license?
NPPES lists Montana license number MED-PHYS-LIC-73042, 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.
How much does Mary Bethany McMaster, M.D. prescribe under Medicare Part D?
In 2024, Mary Bethany McMaster, M.D. had 47 Medicare Part D claims for 38 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mary Bethany McMaster, 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.