Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

Macgregor W. Brownlow, MD

Works at hospitals in Billings, MT · Bozeman, MT · Livingston, MT · Montana

Summary

Macgregor W. Brownlow, MD (Hospitalist) is listed by Medicare at 3 hospitals in Billings, MT, Bozeman, MT and Livingston, MT. NPI 1275952269. 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 Macgregor W. Brownlow, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
University Of Nevada School Of MedicineMedical school
MaleGender (as listed)
Bozeman Health Deaconess HospitalGroup practice

Quick answers

Which hospitals does Macgregor W. Brownlow work at?
Medicare's official clinician data lists Macgregor W. Brownlow at 3 hospitals: Billings Clinic Hospital, Bozeman Health Deaconess Hospital and Livingston Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Macgregor W. Brownlow see patients?
Medicare's clinician data lists 1 practice location in Bozeman, MT. Call before your visit to confirm the address.
What is Macgregor W. Brownlow's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Macgregor W. Brownlow accept Medicare assignment?
Yes. Medicare's clinician data says Macgregor W. Brownlow 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 Macgregor W. Brownlow?
(406) 414-5000, as listed in official Medicare / NPI Registry data.
What is Macgregor W. Brownlow's NPI number?
1275952269. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Macgregor W. Brownlow works

Medicare's Facility Affiliation Data lists Macgregor W. Brownlow 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 Macgregor W. Brownlow is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Macgregor W. Brownlow as a member of this group (CMS data updated 2026-10-02).

  • Bozeman Health Deaconess Hospital320 clinicians in the group

Specialties

Find other Hospitalist doctors in Montana →

Other hospitalists in Bozeman

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

All hospitalists in Bozeman →

Clinician information

CredentialMD
Medical schoolUniversity Of Nevada School Of Medicine
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275952269
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