Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John William Winkelhaus III, PT

Physical Therapist in Bastrop, TX · enumerated 2013.

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

National Provider Identifier

1356774111

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Registry record

Entity type Individual (Type 1)

Name John William Winkelhaus III

Credential PT

Sex Male

Practice address 301 Highway 71 W, Ste 106, Bastrop, TX, 78602

Phone (512) 321-9659

Enumeration date Aug 15, 2013

Last updated in NPPES Jan 3, 2022

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1232643 (TX) 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

Where does John Winkelhaus practice?

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

What is the NPI number for John Winkelhaus?

The National Provider Identifier (NPI) for John Winkelhaus is 1356774111, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-03.