Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathryn G Kozak

Occupational Therapy Assistant in Old Lyme, CT · enumerated 2026 · practices at Circulatory Centers Connecticut, LLC.

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

National Provider Identifier

1144138546

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Registry record

Entity type Individual (Type 1)

Name Kathryn G Kozak

Sex Female

Practice address 4 Huntley Rd, Old Lyme, CT, 06371

Phone (860) 434-5524

Enumeration date Aug 28, 2026

Last updated in NPPES Aug 28, 2026

Taxonomy & licenses

224Z00000X Occupational Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2415 (CT) 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 Kathryn Kozak?

The National Provider Identifier (NPI) for Kathryn Kozak is 1144138546, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathryn Kozak practice?

The practice location on file with NPPES is in Old Lyme, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Circulatory Centers Connecticut, LLC General Practice Physician · Old Lyme, CT NPI 1326331471

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-28.