Wallace Walker, MD
NPI 1740279389 · Family Medicine Physician · Big Timber, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wallace Walker, MD is a Family Medicine Physician provider in Big Timber, MT (NPI 1740279389).
Provider details
- NPI number
- 1740279389
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6045 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 226 | 48 |
| Lisinopril | 155 | 40 |
| Simvastatin | 153 | 43 |
| Atorvastatin Calcium | 151 | 37 |
| Apixabanbrand: Eliquis | 139 | 22 |
| Tamsulosin Hcl | 122 | 33 |
| Furosemide | 117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-17
- Last updated
- 2024-12-06
- Certified
- 2024-12-06
Frequently asked questions
- What is Wallace Walker's NPI number?
- Wallace Walker's National Provider Identifier (NPI) is 1740279389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wallace Walker's specialty?
- Wallace Walker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wallace Walker located?
- Wallace Walker's practice location on file with NPPES is 225 Big Timber Loop Rd, Big Timber, MT 59011-7646.
- What is Wallace Walker's phone number?
- The practice phone number listed in the NPPES registry for Wallace Walker is (406) 932-7100.
- Does Wallace Walker accept Medicare?
- Wallace Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wallace Walker's NPI active?
- Yes — Wallace Walker's NPI (1740279389) is active in the NPPES registry as of the last update on 2024-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.