Quick answers
- Which hospitals does Mark K. Longmuir work at?
- Medicare's official clinician data lists Mark K. Longmuir at 3 hospitals: Mountrail County Medical Center Inc, Tioga Medical Center and Trinity Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark K. Longmuir see patients?
- Medicare's clinician data lists 1 practice location in Stanley, ND. Call before your visit to confirm the address.
- What is Mark K. Longmuir's specialty?
- Medicare lists General Practice as the primary specialty.
- Does Mark K. Longmuir accept Medicare assignment?
- Yes. Medicare's clinician data says Mark K. Longmuir 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 Mark K. Longmuir?
- (701) 628-2505, as listed in official Medicare / NPI Registry data.
- What is Mark K. Longmuir's NPI number?
- 1326278912. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark K. Longmuir works
Medicare's Facility Affiliation Data lists Mark K. Longmuir at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mountrail County Medical Center IncStanley, ND · Critical Access Hospital · CCN 351301
- Tioga Medical CenterTioga, ND · Critical Access Hospital · CCN 351300
- Trinity HospitalsMinot, ND · Acute Care Hospital · CCN 350006
Practice locations
Addresses where Mark K. Longmuir is enrolled with Medicare (CMS data updated 2026-10-02).
- 615 6th St SEStanley, ND 58784 (701) 628‑2505
Group practices
Medicare enrollment lists Mark K. Longmuir as a member of this group (CMS data updated 2026-10-02).
- Mountrail County Medical Center Inc12 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in North Dakota
Clinicians with the same Medicare primary specialty in North Dakota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326278912 |
| 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