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

Kathryn Hartzell, AGNP-C

Gerontology Nurse Practitioner in Port Arthur, TX · enumerated 2021.

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

National Provider Identifier

1982367744

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Registry record

Entity type Individual (Type 1)

Name Kathryn Hartzell

Credential AGNP-C

Sex Female

Practice address Port Arthur, TX, 77640

Phone (225) 337-2693

Fax (281) 783-2899

Enumeration date Oct 19, 2021

Last updated in NPPES Oct 19, 2021

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

Taxonomy & licenses

363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1045187 (TX) 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 Kathryn Hartzell?

The National Provider Identifier (NPI) for Kathryn Hartzell is 1982367744, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathryn Hartzell practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-19.