Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Joan Ilene Davis, PT

Q: What is the NPI number for Joan Davis?

The National Provider Identifier (NPI) for Joan Davis is 1578676276, a Type 1 (individual) record in the CMS NPPES registry.

Specialist in Phoenix, AZ · enumerated 2006.

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

National Provider Identifier

1578676276

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Registry record

Entity type Individual (Type 1)

Name Ms. Joan Ilene Davis

Credential PT

Sex Female

Practice address 4502 N Central Ave, Phoenix, AZ, 85012

Phone (602) 499-8357

Enumeration date Aug 16, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 389 (AZ) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

Other identifiers

Identifier	Type	State	Issuer
781270	Other	AZ	AHCCCS NUMBER

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 Joan Davis?

The National Provider Identifier (NPI) for Joan Davis is 1578676276, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joan Davis practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.