Quick answers
- Does Luke Altenhofen accept Medicare assignment?
- Yes. Medicare's clinician data says Luke Altenhofen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Luke Altenhofen's NPI number?
- 1407221708. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Luke Altenhofen works
Medicare's Facility Affiliation Data lists Luke Altenhofen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Fallon Medical Complex HospitalBaker, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271301
- Glendive Medical CenterGlendive, MT · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 271332
- Holy Rosary HospitalMiles City, MT · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 271347
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270049
- Rosebud Health Care CenterForsyth, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271327
Practice locations
Addresses where Luke Altenhofen is enrolled with Medicare (CMS data updated October 2, 2026).
- 2600 Wilson StMiles City, MT 59301 (406) 233‑2600
- 6230 Main StColstrip, MT 59323 (406) 748‑3600
- 6230 Main St, PO Box 1858Colstrip, MT 59323
Group practices
Medicare enrollment lists Luke Altenhofen as a member of these groups (CMS data updated October 2, 2026).
- Holy Rosary Healthcare49 clinicians in the group
- Colstrip Medical Center9 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Miles City
Clinicians with the same Medicare primary specialty in Miles City, MT — not a recommendation.
Other clinicians in Holy Rosary Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407221708 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians