Quick answers
- Does Kelly L. Mattson accept Medicare assignment?
- Yes. Medicare's clinician data says Kelly L. Mattson 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 Kelly L. Mattson's NPI number?
- 1639975964. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kelly L. Mattson works
Medicare's Facility Affiliation Data lists Kelly L. Mattson 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.
- CentraCare - Long Prairie HospitalLong Prairie, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241326
Practice locations
Addresses where Kelly L. Mattson is enrolled with Medicare (CMS data updated October 2, 2026).
- 50 Centracare DrLong Prairie, MN 56347 (320) 732‑2141
- 525 Main St WMelrose, MN 56352
Group practices
Medicare enrollment lists Kelly L. Mattson as a member of these groups (CMS data updated October 2, 2026).
- CentraCare Health System - Long Prairie44 clinicians in the group
- CentraCare Health System - Melrose38 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Long Prairie
Clinicians with the same Medicare primary specialty in Long Prairie, MN — not a recommendation.
Other clinicians in CentraCare Health System - Long Prairie
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639975964 |
| 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