Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cathleen Joan Reddy

Social Worker in Elmira, NY · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1417188665

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Registry record

Entity type Individual (Type 1)

Name Cathleen Joan Reddy

Sex Female

Practice address 1019 E Water St, Elmira, NY, 14901

Phone (607) 733-5696

Enumeration date Aug 6, 2009

Last updated in NPPES Aug 6, 2009

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 00078206 (NY) Primary

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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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Cathleen Reddy?

Cathleen Reddy is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-06.