Quick answers
- Does Garrett C. Wistisen accept Medicare assignment?
- Yes. Medicare's clinician data says Garrett C. Wistisen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Garrett C. Wistisen's NPI number?
- 1124824370. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Garrett C. Wistisen works
Medicare's Facility Affiliation Data lists Garrett C. Wistisen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Samaritan HospitalMoses Lake, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500033
Practice locations
Addresses where Garrett C. Wistisen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1550 S Pioneer Way, Suite 115Moses Lake, WA 98837
Group practices
Medicare enrollment lists Garrett C. Wistisen as a member of this group (CMS data updated October 2, 2026).
- Grant County Public Hospital District 1116 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Moses Lake
Clinicians with the same Medicare primary specialty in Moses Lake, WA — not a recommendation.
Other clinicians in Grant County Public Hospital District 1
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124824370 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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