Quick answers
- Which hospitals does Walker Johnson work at?
- Medicare's official clinician data lists Walker Johnson at 1 hospital: Charleston Area Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Walker Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Charleston, WV. Call before your visit to confirm the address.
- What is Walker Johnson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Walker Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Walker Johnson 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 Walker Johnson?
- (304) 388-5432, as listed in official Medicare / NPI Registry data.
- What is Walker Johnson's NPI number?
- 1699418111. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Walker Johnson works
Medicare's Facility Affiliation Data lists Walker Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · CCN 510022
Practice locations
Addresses where Walker Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 3200 Maccorkle Ave SECharleston, WV 25304 (304) 388‑5432
- 501 Morris StCharleston, WV 25301 (304) 388‑7823
Group practices
Medicare enrollment lists Walker Johnson as a member of this group (CMS data updated 2026-10-02).
- Charleston Area Medical Center Inc985 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Charleston
Clinicians with the same Medicare primary specialty in Charleston, WV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | California University Of Science And Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699418111 |
| 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