Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Kathleen Barth, PT

Physical Therapist in Phoenix, AZ · enumerated 2014.

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

National Provider Identifier

1427472661

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Registry record

Entity type Individual (Type 1)

Name Dr. Kathleen Barth

Credential PT

Sex Female

Practice address 20830 N Tatum Blvd, Suite 115, Phoenix, AZ, 85050

Phone (480) 473-1200

Enumeration date Feb 7, 2014

Last updated in NPPES Feb 7, 2014

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 10771 (AZ) 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

Is NPI 1427472661 active?

Yes, as of the latest NPPES snapshot, NPI 1427472661 is active (record last updated 2014-02-07).

How do I verify Kathleen Barth's NPI record?

Cross-check NPI 1427472661 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 2014-02-07.