Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrea Gryntysz

Pediatric Occupational Therapist in North Massapequa, NY · enumerated 2008.

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

National Provider Identifier

1821241852

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Registry record

Entity type Individual (Type 1)

Name Andrea Gryntysz

Sex Female

Practice address 129 North Dr, North Massapequa, NY, 11758

Phone (516) 454-8158

Enumeration date Nov 4, 2008

Last updated in NPPES Sep 30, 2014

Taxonomy & licenses

225XP0200X Pediatric Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 015334-1 (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 Andrea Gryntysz?

The National Provider Identifier (NPI) for Andrea Gryntysz is 1821241852, a Type 1 (individual) record in the CMS NPPES registry.

Where does Andrea Gryntysz practice?

The practice location on file with NPPES is in North Massapequa, 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 2014-09-30.