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Anesthesiology

Marcus Birky, DO

Works at hospitals in Missoula, MT · Montana

Summary

Marcus Birky, DO (Anesthesiology) is listed by Medicare at 2 hospitals in Missoula, MT. NPI 1871836528. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marcus Birky, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
MaleGender (as listed)
Missoula Anesthesiology PCGroup practice

Quick answers

Which hospitals does Marcus Birky work at?
Medicare's official clinician data lists Marcus Birky at 2 hospitals: Community Medical Center and St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marcus Birky see patients?
Medicare's clinician data lists 2 practice locations, including Missoula, MT. Call before your visit to confirm the address.
What is Marcus Birky's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Marcus Birky accept Medicare assignment?
Yes. Medicare's clinician data says Marcus Birky accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marcus Birky?
(406) 728-4100, as listed in official Medicare / NPI Registry data.
What is Marcus Birky's NPI number?
1871836528. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marcus Birky works

Medicare's Facility Affiliation Data lists Marcus Birky at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Marcus Birky is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marcus Birky as a member of this group (CMS data updated 2026-10-02).

  • Missoula Anesthesiology PC45 clinicians in the group

Specialties

Find other Anesthesiology doctors in Montana →

Other anesthesiologists in Missoula

Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.

All anesthesiologists in Missoula →

Clinician information

CredentialDO
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871836528
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians