Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nan Katherine Ann Mcmahan, PT, DPT

Physical Therapist in Shawnee, OK · enumerated 2016.

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

National Provider Identifier

1215386636

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Registry record

Entity type Individual (Type 1)

Name Nan Katherine Ann Mcmahan

Credential PT, DPT

Sex Female

Practice address 2307 Gordon Cooper Dr, Shawnee, OK, 74801

Phone (405) 395-9304

Enumeration date Jun 7, 2016

Last updated in NPPES Feb 9, 2017

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5169 (OK) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT 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 Nan Katherine Mcmahan?

The National Provider Identifier (NPI) for Nan Katherine Mcmahan is 1215386636, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nan Katherine Mcmahan practice?

The practice location on file with NPPES is in Shawnee, OK. 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 2017-02-09.