Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John D Cerio Jr., PSYCH D
Psychologist in Hornell, NY · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124299870
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Registry record
Entity type Individual (Type 1)
Name John D Cerio Jr.
Credential PSYCH D
Sex Male
Practice address 15 Pleasant St, Hornell, NY, 14843
Phone (607) 324-9240
Enumeration date Mar 20, 2008
Last updated in NPPES Mar 20, 2008
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 011476-1 (NY) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 011476-1 | Other | NY | NYS LICENSE |
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
What is the NPI number for John Cerio?
The National Provider Identifier (NPI) for John Cerio is 1124299870, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Cerio practice?
The practice location on file with NPPES is in Hornell, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-20.