Grant Walker, DO
NPI 1285364265 · Family Medicine Physician · Longview, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Walker, DO is a Family Medicine Physician provider in Longview, WA (NPI 1285364265).
Provider details
- NPI number
- 1285364265
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 94-10996 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 42 | 17 |
| Amlodipine Besylate | 21 | — |
| Omeprazole | 20 | — |
| Lisinopril | 15 | — |
| Fluticasone Propionate | 14 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 13 | — |
| Empagliflozin |
Practice location
Mailing address
Additional practice locations (1)
- 1010 N Kansas StWichita, KS 67214-3124Phone: (316) 293-2665
Registry dates
- Enumerated
- 2022-06-13
- Last updated
- 2025-08-20
- Certified
- 2025-08-20
Frequently asked questions
- What is Grant Walker's NPI number?
- Grant Walker's National Provider Identifier (NPI) is 1285364265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Walker's specialty?
- Grant Walker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Walker located?
- Grant Walker's practice location on file with NPPES is 1718 E Kessler Blvd, Longview, WA 98632-1842.
- What is Grant Walker's phone number?
- The practice phone number listed in the NPPES registry for Grant Walker is (360) 747-5800.
- Does Grant Walker accept Medicare?
- Grant Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Walker's NPI active?
- Yes — Grant Walker's NPI (1285364265) is active in the NPPES registry as of the last update on 2025-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.