NPPES file of Aug 9, 2026

John C. Howell, RD

Registered Dietitian · Sun City, AZ

John C. Howell, RD is a registered dietitian with a practice address in Sun City, Arizona, and NPI 1871736199, issued on Apr 16, 2009. Check the license with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1871736199
Name
John C. Howell
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone
(623) 876-4947
Enumerated
Apr 16, 2009
Record last updated
Apr 16, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(623) 876-6687
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 10401 W Thunderbird Blvd

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

  1. Ahmed AdenCertified Registered Nurse Anesthetist1477343424
  2. Maria Aguirre, M.D.Anatomic Pathology & Clinical Pathology Physician1669447645
  3. Raniah Al-Tamsheh, M.DHospitalist Physician1750328829
  4. Kimberly Albright, PHARMDPharmacist1154183515
  5. Ellie Alevritis, MDHospitalist Physician1073573267
  6. Jozie AshlesonPhysician Assistant1457167157

Verify John C. Howell 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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John C. Howell among 1,435 registered dietitian records in Arizona

John C. Howell, RD 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 not. Its NPI, issued in 2009, is newer than 15% of them.

  • NPI issued2009 · 15% of these records are older, 82% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 18% of these records are
  • Record last updated2009 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Kelly Carpenter, RDSun City, AZ 853511144213000
  2. Sarah Cox, RDSun City, AZ 853511376536169
  3. Felicia Hendricks, RDSun City, AZ 853511417503509
  4. Alice Kraft, RDSun City, AZ 853511275526139
  5. Gloria Merkel, M.S., R.D. C.D.E.Sun City, AZ 853511124219480
  6. Cynthia Parker, RDSun City, AZ 853511497749857
  7. Melissa Gomez, RDSomerton, AZ 853501548023138
  8. Amanda Aguirre, R.D.San Luis, AZ 853491942615760

Common questions

What is John C. Howell, RD's NPI number?

John C. Howell, RD's National Provider Identifier (NPI) is 1871736199, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is John C. Howell, RD located?

The NPPES record lists a practice address at 10401 W Thunderbird Blvd, Sun City, AZ, 85351. Phone: (623) 876-4947. Providers update this record themselves, so call before visiting.

How can I verify John C. Howell, RD'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. 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.