Quick answers
- Does Melissa A. Welter accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa A. Welter 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 Melissa A. Welter's NPI number?
- 1790299980. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa A. Welter works
Medicare's Facility Affiliation Data lists Melissa A. Welter 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.
- St Joseph Regional Medical CenterLewiston, ID · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 130003
Practice locations
Addresses where Melissa A. Welter is enrolled with Medicare (CMS data updated October 2, 2026).
- 2315 8th StLewiston, ID 83501 (208) 746‑1383
- 320 Warner DrLewiston, ID 83501 (208) 743‑3523
- 415 6th StLewiston, ID 83501 (208) 743‑2511
Group practices
Medicare enrollment lists Melissa A. Welter as a member of these groups (CMS data updated October 2, 2026).
- St Joseph Hospital LLC93 clinicians in the group
- Catalyst Medical Group PLLC29 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lewiston
Clinicians with the same Medicare primary specialty in Lewiston, ID — not a recommendation.
Other clinicians in St Joseph Hospital LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790299980 |
| 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