Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Arianna Gunderson

Behavior Analyst in Leitchfield, KY · enumerated 2016.

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

National Provider Identifier

1598217739

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Registry record

Entity type Individual (Type 1)

Name Mrs. Arianna Gunderson

Sex Female

Practice address 635 S Main St, Leitchfield, KY, 42754

Phone (270) 287-0656

Enumeration date Nov 3, 2016

Last updated in NPPES Jun 6, 2023

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1182082506 (UT) Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 285315 (KY) 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

Is NPI 1598217739 active?

Yes, as of the latest NPPES snapshot, NPI 1598217739 is active (record last updated 2023-06-06).

How do I verify Arianna Gunderson's NPI record?

Cross-check NPI 1598217739 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-06.