Quick answers
- Which hospitals does Wallace C. Walker work at?
- Medicare's official clinician data lists Wallace C. Walker at 3 hospitals: Intermountain Health St Vincent Regional Hospital, Livingston Healthcare and Pioneer Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wallace C. Walker see patients?
- Medicare's clinician data lists 1 practice location in Big Timber, MT. Call before your visit to confirm the address.
- What is Wallace C. Walker's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does Wallace C. Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Wallace C. 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 Wallace C. Walker?
- (406) 932-7100, as listed in official Medicare / NPI Registry data.
- What is Wallace C. Walker's NPI number?
- 1740279389. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wallace C. Walker works
Medicare's Facility Affiliation Data lists Wallace C. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Intermountain Health St Vincent Regional HospitalBillings, MT · Acute Care Hospital · CCN 270049
- Livingston HealthcareLivingston, MT · Critical Access Hospital · CCN 271317
- Pioneer Medical CenterBig Timber, MT · Critical Access Hospital · CCN 271313
Practice locations
Addresses where Wallace C. Walker is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 Big Timber Loop RdBig Timber, MT 59011 (406) 932‑7100
Group practices
Medicare enrollment lists Wallace C. Walker as a member of this group (CMS data updated 2026-10-02).
- Crazy Mountain Family Medicine2 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740279389 |
| 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