NPPES file of Aug 9, 2026

Diane Gardner, RDN

Registered Dietitian · Avondale, AZ

Diane Gardner, RDN is a registered dietitian with a practice address in Avondale, Arizona, and NPI 1790255024, issued on Nov 29, 2018. Check the license with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790255024
Name
Diane Gardner
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
714267 IL
Self-reported in NPPES; status is on the state search
Practice location
10750 W Mcdowell RD Ste A300, Avondale, AZ 85392
Phone
(623) 399-6825
Enumerated
Nov 29, 2018
Record last updated
Feb 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(623) 505-3474
Medicare enrollment
Enrolled (PECOS I20200326002647); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 1,435 in Arizona → Look up another NPI →

Also registered at 10750 W Mcdowell RD Ste A300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacob Brown, RDRegistered Dietitian1972073856
  2. Krupa Chackalackal, RDRegistered Dietitian1154993533
  3. Amy Ganyukov, RDRegistered Dietitian1821620683
  4. Hannah Lacey, RDRegistered Dietitian1508451733
  5. Carina Liddicoat, RDRegistered Dietitian1699426379
  6. Kelly McCormick, RDRegistered Dietitian1801431259

Verify Diane Gardner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. AM Nutrition ServicesGlendale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diane Gardner among 1,435 registered dietitian records in Arizona

Diane Gardner, RDN is one of 1,435 registered dietitian records with a practice address in Arizona. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.

  • NPI issued2018 · 47% of these records are older, 47% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1987 · median 2018 among the 257 with a school on file
  • Record last updated2020 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 registered dietitian records list a practice address in Avondale

They are 17 of the 1,517 NPPES records with a practice address in Avondale, and 1,435 registered dietitian records in Arizona.

All 1,435 in Arizona → Every provider in Avondale → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Jacob Brown, RDAvondale, AZ 853921972073856
  2. Krupa Chackalackal, RDAvondale, AZ 853921154993533
  3. Amy Ganyukov, RDAvondale, AZ 853921821620683
  4. Hannah Lacey, RDAvondale, AZ 853921508451733
  5. Carina Liddicoat, RDAvondale, AZ 853921699426379
  6. Kelly McCormick, RDAvondale, AZ 853921801431259
  7. Haley Mollhagen, RDAvondale, AZ 853921144703364
  8. Diana Mrozek, RDNAvondale, AZ 853921225449382

Common questions

What is Diane Gardner, RDN's NPI number?

Diane Gardner, RDN's National Provider Identifier (NPI) is 1790255024, issued on Nov 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Diane Gardner, RDN located?

The NPPES record lists a practice address at 10750 W Mcdowell RD Ste A300, Avondale, AZ, 85392. Phone: (623) 399-6825. Providers update this record themselves, so call before visiting.

How can I verify Diane Gardner, RDN's license?

Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.