Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison L Sinclair

Speech-Language Pathologist in Islip Terrace, NY · enumerated 2022 · practices at East Islip School District.

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

National Provider Identifier

1144944729

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Registry record

Entity type Individual (Type 1)

Name Allison L Sinclair

Sex Female

Practice address 1 Craig B Gariepy Ave, Islip Terrace, NY, 11752

Phone (631) 882-9364

Enumeration date Sep 28, 2022

Last updated in NPPES Sep 28, 2022

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing 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.

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Frequently asked questions

Where does Allison Sinclair practice?

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

What is the NPI number for Allison Sinclair?

The National Provider Identifier (NPI) for Allison Sinclair is 1144944729, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-28.