Quick answers
- Which hospitals does Earl Harrison work at?
- Medicare's official clinician data lists Earl Harrison at 1 hospital: Northern Montana Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Earl Harrison see patients?
- Medicare's clinician data lists 1 practice location in Havre, MT. Call before your visit to confirm the address.
- What is Earl Harrison's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Earl Harrison accept Medicare assignment?
- Yes. Medicare's clinician data says Earl Harrison 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 Earl Harrison?
- (406) 265-2211, as listed in official Medicare / NPI Registry data.
- What is Earl Harrison's NPI number?
- 1790778942. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Earl Harrison works
Medicare's Facility Affiliation Data lists Earl Harrison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Montana HospitalHavre, MT · Critical Access Hospital · CCN 271348
Practice locations
Addresses where Earl Harrison is enrolled with Medicare (CMS data updated 2026-10-02).
- 30 13th StHavre, MT 59501 (406) 265‑2211
Group practices
Medicare enrollment lists Earl Harrison as a member of this group (CMS data updated 2026-10-02).
- Northern Montana Hospital47 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kentucky College Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790778942 |
| 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