Quick answers
- Does Riley M. Black accept Medicare assignment?
- Yes. Medicare's clinician data says Riley M. Black 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 Riley M. Black's NPI number?
- 1538875935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Riley M. Black works
Medicare's Facility Affiliation Data lists Riley M. Black 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.
- Cabinet Peaks Medical CenterLibby, MT · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 271320
Practice locations
Addresses where Riley M. Black is enrolled with Medicare (CMS data updated October 2, 2026).
- 209 Health Park DrLibby, MT 59923 (406) 283‑7000
- 401 Louisiana AveLibby, MT 59923 (406) 283‑7440
Group practices
Medicare enrollment lists Riley M. Black as a member of this group (CMS data updated October 2, 2026).
- St Johns Lutheran Hospital Inc34 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Libby
Clinicians with the same Medicare primary specialty in Libby, MT — not a recommendation.
Other clinicians in St Johns Lutheran Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538875935 |
| 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