NPPES file of Aug 9, 2026

Mariana Rodriguez Fierro, RDN, CDCES

Registered Dietitian · Phoenix, AZ

Mariana Rodriguez Fierro, RDN, CDCES is a registered dietitian with a practice address in Phoenix, Arizona, and NPI 1861361776, issued on Oct 30, 2025. Check the license (Arizona 86154635, as entered in NPPES) 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
1861361776
Name
Mariana Rodriguez Fierro
Credential
RDN, CDCES
Primary taxonomy
Registered Dietitian 133V00000X
License number
86154635 AZ
Self-reported in NPPES; status is on the state search
Practice location
9015 N 3RD St, Phoenix, AZ 85020
Phone
(480) 882-4545
Enumerated
Oct 30, 2025
Record last updated
Mar 16, 2026
Fax
(602) 714-3755
Medicaid ID
250916 AZ
Medicare enrollment
Enrolled (PECOS I20260209003189); 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 9015 N 3RD St

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

  1. Oksana Arvizu, PA-CPhysician Assistant1710572227
  2. Linda Benjamin, PA-CPhysician Assistant1689180341
  3. Kanwar Bhogal, DDSGeneral Practice Dentistry1396086575
  4. Jessica Blakley, DOStudent in an Organized Health Care Education/Training Program1366382558
  5. Sydney Carpenter, DOStudent in an Organized Health Care Education/Training Program1558151654
  6. Annie Custer, LCSWClinical Social Worker1013626944

Verify Mariana Rodriguez Fierro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 86154635    Check 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. Neighborhood Outreach Access TO HealthPhoenix, AZ

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

Mariana Rodriguez Fierro among 1,435 registered dietitian records in Arizona

Mariana Rodriguez Fierro, RDN, CDCES 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 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated2019 · 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).

414 registered dietitian records list a practice address in Phoenix

They are 414 of the 31,399 NPPES records with a practice address in Phoenix, and 1,435 registered dietitian records in Arizona.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Rachel Brogan, M.S., R.D., CEDRDPhoenix, AZ 850201376782086
  2. Kara Collier, RDPhoenix, AZ 850201154203503
  3. Jessica Crawley, RDNPhoenix, AZ 850201629842596
  4. Erinn Gregory, RDNPhoenix, AZ 850201790161826
  5. Taylor Janulewicz, RDNPhoenix, AZ 850201487170270
  6. Abigail KaupPhoenix, AZ 850201538017231
  7. Alexandra Meyer, RDNPhoenix, AZ 850201235973025
  8. Danielle Richardson, R.D.Phoenix, AZ 850201598167132

Common questions

What is Mariana Rodriguez Fierro, RDN, CDCES's NPI number?

Mariana Rodriguez Fierro, RDN, CDCES's National Provider Identifier (NPI) is 1861361776, issued on Oct 30, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mariana Rodriguez Fierro, RDN, CDCES located?

The NPPES record lists a practice address at 9015 N 3RD St, Phoenix, AZ, 85020. Phone: (480) 882-4545. Providers update this record themselves, so call before visiting.

How can I verify Mariana Rodriguez Fierro, RDN, CDCES's license?

NPPES lists Arizona license number 86154635, as entered by the provider. 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.