Quick answers
- Which hospitals does Opal M. Shaffer work at?
- Medicare's official clinician data lists Opal M. Shaffer at 1 hospital: Saint Alphonsus Medical Center - Nampa. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Opal M. Shaffer see patients?
- Medicare's clinician data lists 1 practice location in Boise, ID. Call before your visit to confirm the address.
- What is Opal M. Shaffer's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Opal M. Shaffer accept Medicare assignment?
- Medicare's clinician data says Opal M. Shaffer may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Opal M. Shaffer's NPI number?
- 1497546303. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Opal M. Shaffer works
Medicare's Facility Affiliation Data lists Opal M. Shaffer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Medical Center - NampaNampa, ID · Acute Care Hospital · CCN 130013
Practice locations
Addresses where Opal M. Shaffer is enrolled with Medicare (CMS data updated 2026-10-02).
- PO Box, Suite 190930Boise, ID 83719
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1497546303 |
| 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