Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mary Bethany McMaster, MD

Individual provider Emergency Medicine Physician · NPI 1356704498

Dr. Mary Bethany McMaster, MD is an Emergency Medicine in Bozeman, Montana. Graduated from University of Washington School of Medicine in 2016, 10 years ago. Practices with Bozeman Health Deaconess Hospital, a 313-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Montana and New Mexico.

Years since qualifying
10
Trained at
University of Washington School of Medicine
Licensed in
MT, NM
In the registry since
2016
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

915 Highland Blvd
Bozeman, MT 59715-6902
Phone: (406) 414-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 906 N 31st St, Billings, MT 59101-0744 — (406) 599-9162
  • 801 N 29th St, Billings, MT 59101 — (406) 247-6920
  • 1 University Of New Mexico, Albuquerque, NM 87131-0001 — (505) 272-5062

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MED-PHYS-LIC-73042 (MT)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD2018-0895 (NM)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 390200000 (NM)

Record details

NPI number1356704498
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 4, 2016
Last updated in NPPESApril 9, 2025
Certification dateApril 9, 2025
Mailing address915 Highland Blvd, Bozeman, MT 59715-6902

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Bozeman Health Deaconess Hospital — 313 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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