NPI Portal NPI Lookup & Verification

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

Jennifer Mccormack

Early Intervention Provider Agency in Holbrook, NY · enumerated 2016.

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

National Provider Identifier

1528513660

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Registry record

Entity type Individual (Type 1)
Name Jennifer Mccormack
Sex Female
Practice address Holbrook, NY, 11741
Enumeration date Aug 18, 2016
Last updated in NPPES Aug 18, 2016

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

Taxonomy & licenses

252Y00000X Early Intervention Provider Agency Agencies · License 1725415 (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

What is the NPI number for Jennifer Mccormack?
The National Provider Identifier (NPI) for Jennifer Mccormack is 1528513660, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Mccormack practice?
The practice location on file with NPPES is in Holbrook, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-18.