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Pulmonary Disease

Michael Gruber, MD

Works at hospitals in Bozeman, MT · Lone Tree, CO · Aurora, CO … · Montana, Colorado

Summary

Michael Gruber, MD (Pulmonary Disease) is listed by Medicare at 4 hospitals in Bozeman, MT, Lone Tree, CO and Aurora, CO and other places. NPI 1578671699. 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 Michael Gruber, 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

Pulmonary DiseasePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
MaleGender (as listed)
Bozeman Health Deaconess HospitalGroup practice

Quick answers

Which hospitals does Michael Gruber work at?
Medicare's official clinician data lists Michael Gruber at 4 hospitals: Bozeman Health Deaconess Hospital, Sky Ridge Medical Center, The Medical Center of Aurora & South Hospital and UCHealth Highlands Ranch Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael Gruber see patients?
Medicare's clinician data lists 2 practice locations, including Bozeman, MT. Call before your visit to confirm the address.
What is Michael Gruber's specialty?
Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
Does Michael Gruber accept Medicare assignment?
Yes. Medicare's clinician data says Michael Gruber 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 Michael Gruber?
(406) 414-5000, as listed in official Medicare / NPI Registry data.
What is Michael Gruber's NPI number?
1578671699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael Gruber works

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

Group practices

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

  • Bozeman Health Deaconess Hospital320 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Montana →

Other pulmonologists in Bozeman

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

All pulmonologists in Bozeman →

Clinician information

CredentialMD
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578671699
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