NPPES file of Aug 9, 2026

Dulce M. Guzman, RDN

Registered Dietitian · Nogales, AZ

Dulce M. Guzman, RDN is a registered dietitian with a practice address in Nogales, Arizona, and NPI 1720805666, issued on Sep 23, 2024. 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
1720805666
Name
Dulce M. Guzman
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
1852 N Mastick Way, Nogales, AZ 85621
Phone
(520) 281-1550
Enumerated
Sep 23, 2024
Record last updated
Jun 16, 2026
Fax
(520) 281-4487
Medicare enrollment
Enrolled (PECOS I20260529001852); may accept Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 2021
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 1852 N Mastick Way

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

  1. Mary Adam, M.D., PHDPediatrics Physician1508191016
  2. Michael Allen, DMDDentist1740480029
  3. Christina Alvarez, RDHDental Hygienist1487344925
  4. Marivic Ashcroft, NPFamily Nurse Practitioner1740663509
  5. Melissa Avila Robledo, RDHDental Hygienist1750195319
  6. Cynthia Badilla, RDHDental Hygienist1851081301

Verify Dulce M. Guzman 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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Dulce M. Guzman among 1,435 registered dietitian records in Arizona

Dulce M. Guzman, 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 not. Its NPI, issued in 2024, is newer than 82% of them.

  • NPI issued2024 · 82% of these records are older, 11% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated2021 · median 2018 among the 257 with a school on file
  • Record last updated2026 · 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 Nogales → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Renee Siegfried, RDNogales, AZ 856211871333682
  2. Brandon Nichols, RD, CSSDHereford, AZ 856151093160970
  3. Catherine Robinson, RDGreen Valley, AZ 856141841352903
  4. Sonia BlodgettFort Huachuca, AZ 856131487747192
  5. Preston Harris, PHD, RDNSahuarita, AZ 856291164105102
  6. Jennifer Rodriguez, RD, LDFort Huachuca, AZ 856131588691802
  7. Nicole Varela, RDN, LDNFort Huachuca, AZ 856131245903624
  8. Ineke Wilkin, RDSierra Vista, AZ 856131740746437

Common questions

What is Dulce M. Guzman, RDN's NPI number?

Dulce M. Guzman, RDN's National Provider Identifier (NPI) is 1720805666, issued on Sep 23, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Dulce M. Guzman, RDN located?

The NPPES record lists a practice address at 1852 N Mastick Way, Nogales, AZ, 85621. Phone: (520) 281-1550. Providers update this record themselves, so call before visiting.

How can I verify Dulce M. Guzman, 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. 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.