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
- Entity
- Type 1 · individual
Also registered at 915 Highland Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Abraham, M.D.Emergency Medicine Physician1306135785
- Adeola Adelayo, M.D.Psychiatry Physician1205996907
- Linda Altans, RPHPharmacist1912117748
- Kara Arvin, MDNeonatal-Perinatal Medicine Physician1083605976
- James Attarian, MDInternal Medicine Physician1144209198
- 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
87% 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 355 among the 49,029 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 Medicare quality score for 2023: 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 or facility affiliation
- Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
32 emergency medicine physician records list a Bozeman practice address
They are 32 of the 2,433 NPPES records with a Bozeman practice address, and 241 emergency medicine physician records in Montana.
All 32 in Bozeman → All 241 in Montana → Every provider in Bozeman →
Other emergency medicine physician records in Montana
- Joie Abner, DOGreat Falls, MT1881036119
- Stephanie Abraham, M.D.Bozeman, MT1306135785
- Barrett Adams, M.DAnaconda, MT1043365067
- Michael Adams, MDGreat Falls, MT1770576555
- Clinton Adkins, DOHamilton, MT1245283282
- Charles Allen, DOBig Sky, MT1174609432
- Nathan Allen, M.D.Billings, MT1356676878
- Casey Ambrose, MDMissoula, MT1669892576
- Ty Anderson, MDBillings, MT1043889033
- Phillip Anuta, DORonan, MT1396308789
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 355. Part D covers Medicare prescriptions only.
What is Mary Bethany McMaster, M.D.'s Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.