Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrea M. Irizarry, CASAC

Social Worker in Buffalo, NY · enumerated 2006.

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

National Provider Identifier

1477635654

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Registry record

Entity type Individual (Type 1)

Name Andrea M. Irizarry

Credential CASAC

Sex Female

Practice address 1280 Main St, Buffalo, NY, 14209

Phone (716) 832-1251

Fax (716) 832-1271

Enumeration date Oct 19, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Andrea Irizarry?

The National Provider Identifier (NPI) for Andrea Irizarry is 1477635654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Andrea Irizarry practice?

The practice location on file with NPPES is in Buffalo, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.