Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Starr Knorr, RPT

Physical Therapist in Clifton, NJ · enumerated 2007.

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

National Provider Identifier

1851575708

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Registry record

Entity type Individual (Type 1)

Name Gregory Starr Knorr

Credential RPT

Sex Male

Practice address 1081 Paulison Ave, 1, Clifton, NJ, 07011

Phone (973) 253-1155

Enumeration date Dec 27, 2007

Last updated in NPPES Mar 14, 2012

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 40QA00685700 (NJ) 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 Gregory Knorr?

The National Provider Identifier (NPI) for Gregory Knorr is 1851575708, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Knorr practice?

The practice location on file with NPPES is in Clifton, NJ. 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 2012-03-14.