Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Anthony Kenyon, MD
Pediatric Emergency Medicine (Pediatrics) Physician in Buffalo, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881652238
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1292497 | Other | - | IHA |
| 040426003098 | Other | - | FIDELIS |
| 100831371001 | Medicaid | PA | - |
| 00026380601 | Other | - | UNIVERA |
| 000527294001 | Other | - | BC/BS |
| 02409052 | Medicaid | NY | - |
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.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-13.