Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joyce B Davidson, WHNP

Women's Health Nurse Practitioner in Flagstaff, AZ · enumerated 2005.

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

National Provider Identifier

1205817251

Verified

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Registry record

Entity type Individual (Type 1)

Name Joyce B Davidson

Credential WHNP

Sex Female

Practice address 2920 N 4th St, Flagstaff, AZ, 86004

Phone (928) 213-6100

Fax (928) 774-4808

Enumeration date Nov 8, 2005

Last updated in NPPES Oct 21, 2013

Taxonomy & licenses

174400000X Specialist Other Service Providers · License RN075897 (AZ) Secondary

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP0009 (AZ) Primary

Other identifiers

Identifier	Type	State	Issuer
749781	Medicaid	AZ	-
RN075897	Other	AZ	STATE LICENSE

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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Joyce Davidson?

Joyce Davidson is registered in NPPES with the primary taxonomy of Women's Health Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-21.