Individual provider Active NPI

Mariana Rodriguez Fierro, RDN, CDCES

  • Registered Dietitian
  • Phoenix, AZ
National Provider Identifier
1861361776
Registry record updated Mar 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
86154635 Issued in AZ
Practice address
9015 N 3Rd St
Phoenix, AZ 85020-2444
Phone
(480) 882-4545
Fax
(602) 714-3755
NPI assigned
Oct 30, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X 86154635 AZ Primary

Addresses

Primary practice location

9015 N 3Rd St
Phoenix, AZ 85020-2444

Mailing address

7500 N Dreamy Draw Dr Ste 145
Phoenix, AZ 85020-4668
Phone (480) 882-4545

Other identifiers 1

IdentifierTypeStateIssuer
250916MedicaidAZ

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260209003189 AZ Practitioner - Registered Dietitian Or Nutrition Professional 6901385079 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Registered Dietitian Or Nutrition Professional
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Neighborhood Outreach Access to HealthGroup PAC ID 3577743764, 107 clinicians

Practice addresses (Care Compare)

9015 N 3Rd St
Phoenix, AZ 85020-2444
Phone (480) 882-4545

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
86154635AZMDRegistered Dietitian

Practice roles

OrganizationSpecialtyStatusNew patients
Neighborhood Outreach Access to Health CurrentSince Feb 1, 2026 Accepting new patients
Neighborhood Outreach Access to Health CurrentSince Feb 1, 2026 Accepting new patients

Locations

11851 N 51st Ave
Ste B110
Glendale, AZ 85304

11851 N 51st Ave
Ste F140
Glendale, AZ 85304
Phone (623) 428-0001

4131 N 24th St
Ste B102
Phoenix, AZ 85016
Phone (602) 955-6632

16251 N Cave Creek Rd
Phoenix, AZ 85032

20440 N 27th Ave
Phoenix, AZ 85027

7500 N Dreamy Draw Dr
Ste 145
Phoenix, AZ 85020

9015 N 3rd St
Phoenix, AZ 85020

8705 E McDowell Rd
Scottsdale, AZ 85257

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1761782400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1861361776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7500 N DREAMY DRAW DR STE 145",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850204668",
            "telephone_number": "480-882-4545"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9015 N 3RD ST",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850202444",
            "telephone_number": "480-882-4545",
            "fax_number": "602-714-3755"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RODRIGUEZ FIERRO",
        "first_name": "MARIANA",
        "credential": "RDN, CDCES",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-30",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "AZ",
            "license": "86154635",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "250916",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.