Quick answers
- Which hospitals does Michael L. Hammer work at?
- Medicare's official clinician data lists Michael L. Hammer at 5 hospitals: CHI Mercy Health, Garrison Memorial Hospital, SMP Health St Aloisius, St Andrew's Hospital and West River Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael L. Hammer see patients?
- Medicare's clinician data lists 2 practice locations, including Bottineau, ND and Harvey, ND. Call before your visit to confirm the address.
- What is Michael L. Hammer's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Michael L. Hammer accept Medicare assignment?
- Yes. Medicare's clinician data says Michael L. Hammer 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 Michael L. Hammer?
- (701) 228-9300, as listed in official Medicare / NPI Registry data.
- What is Michael L. Hammer's NPI number?
- 1730813130. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael L. Hammer works
Medicare's Facility Affiliation Data lists Michael L. Hammer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHI Mercy HealthValley City, ND · Critical Access Hospital · CCN 351324
- Garrison Memorial HospitalGarrison, ND · Critical Access Hospital · CCN 351303
- SMP Health St AloisiusHarvey, ND · Critical Access Hospital · CCN 351327
- St Andrew's HospitalBottineau, ND · Critical Access Hospital · CCN 351307
- West River Regional Medical CenterHettinger, ND · Critical Access Hospital · CCN 351330
Practice locations
Addresses where Michael L. Hammer is enrolled with Medicare (CMS data updated 2026-10-02).
- 316 Ohmer StBottineau, ND 58318 (701) 228‑9300
- 325 Brewster St EHarvey, ND 58341 (701) 324‑4651
Group practices
Medicare enrollment lists Michael L. Hammer as a member of these groups (CMS data updated 2026-10-02).
- St Aloisius Hospital, Inc.19 clinicians in the group
- St Andrews Hospital16 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bottineau
Clinicians with the same Medicare primary specialty in Bottineau, ND — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730813130 |
| 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