NPI Portal NPI Lookup & Verification

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

Mr. Nathan Allen Koenegstein, OTR/L

Occupational Therapist in Jackson, TN · enumerated 2014 · practices at Island Park Beach Holdings LLC.

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

National Provider Identifier

1790106060

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Registry record

Entity type Individual (Type 1)
Name Mr. Nathan Allen Koenegstein
Credential OTR/L
Sex Male
Practice address Jackson, TN, 38301
Phone (731) 300-4800
Enumeration date Jan 3, 2014
Last updated in NPPES Jan 3, 2014

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 · License OT0000004821 (TN) 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 Nathan Koenegstein?
The National Provider Identifier (NPI) for Nathan Koenegstein is 1790106060, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nathan Koenegstein practice?
The practice location on file with NPPES is in Jackson, TN. 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 2014-01-03.