Walker Johnson, MD
NPI 1699418111 · Internal Medicine Physician · Charleston, WV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walker Johnson, MD is a Internal Medicine Physician provider in Charleston, WV (NPI 1699418111).
Provider details
- NPI number
- 1699418111
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35141 (WV)
Specialties & taxonomies
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
1 documented practice location
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 45 | 21 |
| Amlodipine Besylate | 27 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 26 | — |
| Pantoprazole Sodium | 23 | — |
| Losartan Potassium | 23 | — |
| Fluticasone Propionate | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-14
- Last updated
- 2026-04-29
- Certified
- 2026-04-29
Frequently asked questions
- What is Walker Johnson's NPI number?
- Walker Johnson's National Provider Identifier (NPI) is 1699418111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walker Johnson's specialty?
- Walker Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walker Johnson located?
- Walker Johnson's practice location on file with NPPES is 501 Morris St, Charleston, WV 25301-1326.
- What is Walker Johnson's phone number?
- The practice phone number listed in the NPPES registry for Walker Johnson is (304) 388-5432.
- Does Walker Johnson accept Medicare?
- Walker Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walker Johnson's NPI active?
- Yes — Walker Johnson's NPI (1699418111) is active in the NPPES registry as of the last update on 2026-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.