Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Diane Gardner, RDN

Registered Dietitian in Avondale, AZ · enumerated 2018.

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

National Provider Identifier

1790255024

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Registry record

Entity type Individual (Type 1)

Name Diane Gardner

Credential RDN

Sex Female

Practice address 10750 W Mcdowell Rd Ste A300, Avondale, AZ, 85392

Phone (623) 399-6825

Fax (623) 505-3474

Enumeration date Nov 29, 2018

Last updated in NPPES Feb 21, 2020

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 714267 (IL) 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.

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Frequently asked questions

What is the NPI number for Diane Gardner?

The National Provider Identifier (NPI) for Diane Gardner is 1790255024, a Type 1 (individual) record in the CMS NPPES registry.

Where does Diane Gardner practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-02-21.