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

Matthew Brenton Niemeyer, DO

Individual provider Internal Medicine Physician · NPI 1427442631

Matthew Brenton Niemeyer, DO is a Hospitalist in Billings, Montana. Qualified in 2015, 11 years ago. Practices with Billings Clinic, a 805-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
11
Licensed in
MT
In the registry since
2015
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2800 10th Ave N
Billings, MT 59101-0703
Phone: (406) 238-5442
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MED-PHYS-LIC-66554 (MT)
Internal Medicine Physician Taxonomy 207R00000X · Licence MED-RES-LIC-42284 (MT)
Internal Medicine Physician Taxonomy 207R00000X · Licence MED-PHYS-LIC-66554 (MT)

Record details

NPI number1427442631
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 25, 2015
Last updated in NPPESFebruary 4, 2025
Certification dateFebruary 4, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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