Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Cristen Guerrieri

School Psychologist in Melville, NY · enumerated 2021.

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

National Provider Identifier

1902579246

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Registry record

Entity type Individual (Type 1)

Name Cristen Guerrieri

Sex Female

Practice address Melville, NY, 11747

Phone (516) 801-6915

Enumeration date Jul 30, 2021

Last updated in NPPES Sep 10, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103TS0200X School Psychologist Behavioral Health & Social Service Providers · License 1498312211 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Cristen Guerrieri?

The National Provider Identifier (NPI) for Cristen Guerrieri is 1902579246, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cristen Guerrieri practice?

The practice location on file with NPPES is in Melville, 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 2024-09-10.