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

Haley Pezzarossi

Case Management Agency in Nashua, NH · enumerated 2023.

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

National Provider Identifier

1083314561

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Registry record

Entity type Individual (Type 1)

Name Haley Pezzarossi

Sex Female

Practice address Nashua, NH, 03063

Phone (603) 718-0217

Enumeration date Mar 3, 2023

Last updated in NPPES Mar 3, 2023

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

Taxonomy & licenses

251B00000X Case Management Agency Agencies 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

Where does Haley Pezzarossi practice?

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

What is the NPI number for Haley Pezzarossi?

The National Provider Identifier (NPI) for Haley Pezzarossi is 1083314561, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-03.