Quick answers
- Which hospitals does Stephen Halvorson work at?
- Medicare's official clinician data lists Stephen Halvorson at 1 hospital: Bozeman Health Big Sky Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen Halvorson see patients?
- Medicare's clinician data lists 1 practice location in Big Sky, MT. Call before your visit to confirm the address.
- What is Stephen Halvorson's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does Stephen Halvorson accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Halvorson 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 Stephen Halvorson?
- (406) 995-6995, as listed in official Medicare / NPI Registry data.
- What is Stephen Halvorson's NPI number?
- 1215045802. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen Halvorson works
Medicare's Facility Affiliation Data lists Stephen Halvorson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bozeman Health Big Sky Medical CenterBig Sky, MT · Critical Access Hospital · CCN 271389
Practice locations
Addresses where Stephen Halvorson is enrolled with Medicare (CMS data updated 2026-10-02).
- 334 Town Ctr AveBig Sky, MT 59716 (406) 995‑6995
Group practices
Medicare enrollment lists Stephen Halvorson as a member of this group (CMS data updated 2026-10-02).
- Bozeman Health Big Sky Medical Center LLC21 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Big Sky
Clinicians with the same Medicare primary specialty in Big Sky, MT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of New Mexico School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215045802 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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