NPPES file of Aug 9, 2026

Melissa Davis, RDN

Registered Dietitian · Tucson, AZ

Melissa Davis, RDN is a registered dietitian with a practice address in Tucson, Arizona, and NPI 1265271886, issued on May 22, 2024. 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
1265271886
Name
Melissa Davis
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
DT90214 TX
Self-reported in NPPES; status is on the state search
Practice location
829 W Pine St, Tucson, AZ 85704
Phone
(520) 820-2578
Enumerated
May 22, 2024
Record last updated
May 22, 2024
Medicare enrollment
Enrolled (PECOS I20241017004460); 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 →

Verify Melissa Davis 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. Nourish, Inc.Austin, TX

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

Melissa Davis among 1,435 registered dietitian records in Arizona

Melissa Davis, 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 2024, is newer than 82% of them.

  • NPI issued2024 · 82% of these records are older, 11% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated2023 · median 2018 among the 257 with a school on file
  • Record last updated2024 · 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).

Registered Dietitian providers in Arizona

There are 1,435 registered dietitian records in Arizona.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Desiderio Abeyta, RDNTucson, AZ 857041124579701
  2. Francisco Aldama, RDNTucson, AZ 857041124888375
  3. Makenna Baum, MS, RDNTucson, AZ 857041639911068
  4. Sarah Duke, R.D.N.Tucson, AZ 857041003347642
  5. Jessica Griffith, RDTucson, AZ 857041477173904
  6. Anthony Hackworth, RDTucson, AZ 857041972989168
  7. Stephanie Olson, RD, CDETucson, AZ 857041265673016
  8. Rebecca Stephens, R.D.Tucson, AZ 857041083910756

Common questions

What is Melissa Davis, RDN's NPI number?

Melissa Davis, RDN's National Provider Identifier (NPI) is 1265271886, issued on May 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Davis, RDN located?

The NPPES record lists a practice address at 829 W Pine St, Tucson, AZ, 85704. Phone: (520) 820-2578. Providers update this record themselves, so call before visiting.

How can I verify Melissa Davis, 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.