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

Marisa Klausner

Occupational Therapist in Freeport, NY · enumerated 2019.

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

National Provider Identifier

1811544984

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Registry record

Entity type Individual (Type 1)
Name Marisa Klausner
Sex Female
Practice address Freeport, NY, 11520
Enumeration date Aug 22, 2019
Last updated in NPPES Aug 22, 2019

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

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative 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

What is the NPI number for Marisa Klausner?
The National Provider Identifier (NPI) for Marisa Klausner is 1811544984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marisa Klausner practice?
The practice location on file with NPPES is in Freeport, 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 2019-08-22.