Quick answers
- Which hospitals does Keith D. Bortnem work at?
- Medicare's official clinician data lists Keith D. Bortnem at 1 hospital: Benefis Hospitals Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Keith D. Bortnem see patients?
- Medicare's clinician data lists 2 practice locations, including Great Falls, MT. Call before your visit to confirm the address.
- What is Keith D. Bortnem's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Keith D. Bortnem accept Medicare assignment?
- Medicare's clinician data says Keith D. Bortnem may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Keith D. Bortnem's NPI number?
- 1255372959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Keith D. Bortnem works
Medicare's Facility Affiliation Data lists Keith D. Bortnem at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Benefis Hospitals IncGreat Falls, MT · Acute Care Hospital · CCN 270012
Practice locations
Addresses where Keith D. Bortnem is enrolled with Medicare (CMS data updated 2026-10-02).
- 1101 26th St S, CredentialingGreat Falls, MT 59405
- 1401 25th St SGreat Falls, MT 59405
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Great Falls
Clinicians with the same Medicare primary specialty in Great Falls, MT — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1255372959 |
| 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