Quick answers
- Which hospitals does John Holmen work at?
- Medicare's official clinician data lists John Holmen at 5 hospitals: CHI St Alexius Health, Garrison Memorial Hospital, Sakakawea Medical Center - CAH, SMP Health St Aloisius and Southwest Healthcare Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Holmen see patients?
- Medicare's clinician data lists 4 practice locations, including Minot, ND, Turtle Lake, ND and Mandan, ND. Call before your visit to confirm the address.
- What is John Holmen's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John Holmen accept Medicare assignment?
- Yes. Medicare's clinician data says John Holmen 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 John Holmen?
- (701) 858-1800, as listed in official Medicare / NPI Registry data.
- What is John Holmen's NPI number?
- 1912931783. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Holmen works
Medicare's Facility Affiliation Data lists John Holmen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHI St Alexius HealthBismarck, ND · Acute Care Hospital · CCN 350002
- Garrison Memorial HospitalGarrison, ND · Critical Access Hospital · CCN 351303
- Sakakawea Medical Center - CAHHazen, ND · Critical Access Hospital · CCN 351310
- SMP Health St AloisiusHarvey, ND · Critical Access Hospital · CCN 351327
- Southwest Healthcare ServicesBowman, ND · Critical Access Hospital · CCN 351313
Practice locations
Addresses where John Holmen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2111 Landmark Cir NWMinot, ND 58703 (701) 858‑1800
- 220 5th Ave WTurtle Lake, ND 58575 (701) 448‑2331
- 2500 Sunset DrMandan, ND 58554 (701) 667‑4600
- 900 E Broadway AveBismarck, ND 58501 (701) 530‑7000
Group practices
Medicare enrollment lists John Holmen as a member of this group (CMS data updated 2026-10-02).
- St Alexius Medical Center238 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Minot
Clinicians with the same Medicare primary specialty in Minot, ND — not a recommendation.
Clinician information
| Medical school | University Of North Dakota School Of Medicine |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912931783 |
| 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