NPPES file of Aug 9, 2026

Ron Allen Fenton, RDN

Registered Dietitian · Marana, AZ

Ron Allen Fenton, RDN is a registered dietitian with a practice address in Marana, Arizona, and NPI 1023844479, issued on Sep 11, 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
1023844479
Name
Ron Allen Fenton
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
810439 TX
Self-reported in NPPES; status is on the state search
Practice location
13395 N Marana Main St, Marana, AZ 85653
Phone
(520) 682-4111
Enumerated
Sep 11, 2024
Record last updated
Sep 11, 2024
Medicare enrollment
Enrolled (PECOS I20240926002910); 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 13395 N Marana Main St

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

  1. Sally Abdelmalek, MDPediatrics Physician1952896839
  2. Barierane Akeeh, DDSDentist1831921964
  3. Katrina Alt, DMDDentist1417307067
  4. Tina Audie, M.D.Pediatrics Physician1477947679
  5. Dinajawan Balderas, FNP-CFamily Nurse Practitioner1477384634
  6. Eric Bjerke, D.M.DGeneral Practice Dentistry1518376664

Verify Ron Allen Fenton 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. Marana Health Center IncMarana, AZ

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

Ron Allen Fenton among 1,435 registered dietitian records in Arizona

Ron Allen Fenton, 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
  • Graduated1992 · 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 Marana → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Ann Bonpensiero, CDE/ RDMarana, AZ 856531780780411
  2. Catherine Craig, RDN, E-RYTMarana, AZ 856531073842720
  3. Dolores Addison, R.D.Sells, AZ 856431871784181
  4. Stephanie Bradshaw, REGISTERED DIETICIANSierra Vista, AZ 856351891273041
  5. James Glaser, R.D.Sierra Vista, AZ 856351801032206
  6. Julie Henderson, R.D.Sierra Vista, AZ 856351013095967
  7. Chelsey Housley, RDSierra Vista, AZ 856351467954594
  8. Tahera Islam, RDSierra Vista, AZ 856351265747687

Common questions

What is Ron Allen Fenton, RDN's NPI number?

Ron Allen Fenton, RDN's National Provider Identifier (NPI) is 1023844479, issued on Sep 11, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Ron Allen Fenton, RDN located?

The NPPES record lists a practice address at 13395 N Marana Main St, Marana, AZ, 85653. Phone: (520) 682-4111. Providers update this record themselves, so call before visiting.

How can I verify Ron Allen Fenton, 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.