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

Kathleen Hertzke

Physical Therapy Assistant in Greeley, CO · enumerated 2015.

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

National Provider Identifier

1336536762

Verified

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Registry record

Entity type Individual (Type 1)

Name Kathleen Hertzke

Sex Female

Practice address Greeley, CO, 80634

Phone (970) 339-0011

Fax (970) 339-0068

Enumeration date Apr 23, 2015

Last updated in NPPES Apr 23, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 0012576 (CO) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Kathleen Hertzke?

The National Provider Identifier (NPI) for Kathleen Hertzke is 1336536762, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathleen Hertzke practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-04-23.