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

Clayton R Cartwright, DPT, ATC

Physical Therapist in Harleysville, PA · enumerated 2008.

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

National Provider Identifier

1326200510

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Registry record

Entity type Individual (Type 1)

Name Clayton R Cartwright

Credential DPT, ATC

Sex Male

Practice address Harleysville, PA, 19438

Phone (412) 759-9826

Enumeration date Jun 28, 2008

Last updated in NPPES May 9, 2016

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 PT019314 (PA) Primary

DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Clayton Cartwright?

The National Provider Identifier (NPI) for Clayton Cartwright is 1326200510, a Type 1 (individual) record in the CMS NPPES registry.

Where does Clayton Cartwright practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-05-09.