Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Robert B Walker, MD
Geriatric Medicine (Family Medicine) Physician in Barboursville, WV · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457315814
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 000194939 | Other | WV | BC/BS |
| 0056287000 | Medicaid | WV | - |
| 080064997 | Other | WV | RR MEDICARE |
| 080057239 | Other | WV | RR MEDICARE |
| 0439770 | Medicaid | OH | - |
| 64694078 | Medicaid | KY | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
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Is NPI 1457315814 active?
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-18.