NPI Portal NPI Lookup & Verification

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

Mrs. Jennifer Erin Sestok

Physical Therapist in Mamaroneck, NY · enumerated 2011.

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

National Provider Identifier

1174820948

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Registry record

Entity type Individual (Type 1)
Name Mrs. Jennifer Erin Sestok
Sex Female
Practice address Mamaroneck, NY, 10543
Phone (732) 485-2486
Enumeration date Feb 14, 2011
Last updated in NPPES Feb 14, 2011

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

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 021157-1 (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 Jennifer Sestok?
The National Provider Identifier (NPI) for Jennifer Sestok is 1174820948, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Sestok practice?
The practice location on file with NPPES is in Mamaroneck, 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 2011-02-14.