Quick answers
- Which hospitals does James Walker work at?
- Medicare's official clinician data lists James Walker at 3 hospitals: Saint Alphonsus Medical Center - Nampa, Saint Alphonsus Medical Center Ontario and St. Alphonsus Medical Center - Baker City. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Walker see patients?
- Medicare's clinician data lists 5 practice locations, including Ontario, OR, Meridian, ID and Nampa, ID. Call before your visit to confirm the address.
- What is James Walker's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does James Walker accept Medicare assignment?
- Yes. Medicare's clinician data says James Walker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James Walker?
- (541) 881-2360, as listed in official Medicare / NPI Registry data.
- What is James Walker's NPI number?
- 1194021014. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Walker works
Medicare's Facility Affiliation Data lists James Walker 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
- Saint Alphonsus Medical Center OntarioOntario, OR · Acute Care Hospital · CCN 380052
- St. Alphonsus Medical Center - Baker CityBaker City, OR · Critical Access Hospital · CCN 381315
Practice locations
Addresses where James Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1050 SW 3rd Ave, Suite 1600Ontario, OR 97914 (541) 881‑2360
- 3025 W Cherry LnMeridian, ID 83642
- 351 SW 9th StOntario, OR 97914 (541) 881‑7000
- 4300 E Flamingo AveNampa, ID 83687 (208) 205‑1000
- 910 NW 16th StFruitland, ID 83619
Group practices
Medicare enrollment lists James Walker as a member of these groups (CMS data updated 2026-10-02).
- Saint Alphonsus Regional Medical Center Inc680 clinicians in the group
- Saint Alphonsus Medical Center- Ontario Inc44 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ontario
Clinicians with the same Medicare primary specialty in Ontario, OR — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194021014 |
| 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