Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Julie M. Grzybowski

Speech-Language Pathologist in Lake Ronkonkoma, NY · enumerated 2023 · practices at Sachem Central School District.

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

National Provider Identifier

1497461966

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Registry record

Entity type Individual (Type 1)

Name Julie M. Grzybowski

Sex Female

Practice address 51 School St, Lake Ronkonkoma, NY, 11779

Phone (631) 471-0354

Enumeration date Jan 27, 2023

Last updated in NPPES Feb 19, 2026

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 034551 (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 Julie Grzybowski?

The National Provider Identifier (NPI) for Julie Grzybowski is 1497461966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Julie Grzybowski practice?

The practice location on file with NPPES is in Lake Ronkonkoma, 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 2026-02-19.