Individual provider Active NPI

Dulce M Guzman, RDN

  • Registered Dietitian
  • Nogales, AZ
National Provider Identifier
1720805666
Registry record updated Jun 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
Practice address
1852 N Mastick Way
Nogales, AZ 85621-1063
Phone
(520) 281-1550
Fax
(520) 281-4487
NPI assigned
Sep 23, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 16, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Sports Dietetics Nutrition Registered Dietitian 133VN1501X AZ
Pediatric Nutrition Registered Dietitian 133VN1004X AZ
Oncology Nutrition Registered Dietitian 133VN1301X AZ
Registered DietitianGroup: 193400000X SINGLE SPECIALTY GROUP 133V00000X AZ Primary
Obesity and Weight Management Nutrition Registered Dietitian 133VN1201X AZ

Addresses

Primary practice location

1852 N Mastick Way
Nogales, AZ 85621-1063

Mailing address

825 N Grand Ave
Suite 100
Nogales, AZ 85621
Phone (520) 761-2128

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260529001852 AZ Practitioner - Registered Dietitian Or Nutrition Professional 3779053848 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Registered Dietitian Or Nutrition Professional
Education
University of Arizona College of Medicine, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

825 N Grand Ave
Suite 100
Nogales, AZ 85621-2385

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Fay Nutrition Dietitian, Registered Past Accepting new patients
Mariposa Community Health Center, Inc Single Specialty Past Accepting new patients
Mariposa Community Health Center, Inc Past Accepting new patients
Mariposa Community Health Center, Inc Past Accepting new patients
Mariposa Community Health Center, Inc Past Accepting new patients

Organizations & group practices 5

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": "1727049600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781568000000",
    "number": "1720805666",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "825 N GRAND AVE",
            "address_2": "SUITE 100",
            "city": "NOGALES",
            "state": "AZ",
            "postal_code": "85621",
            "telephone_number": "520-761-2128",
            "fax_number": "520-281-4487"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1852 N MASTICK WAY",
            "city": "NOGALES",
            "state": "AZ",
            "postal_code": "856211063",
            "telephone_number": "520-281-1550",
            "fax_number": "520-281-4487"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUZMAN",
        "first_name": "DULCE",
        "middle_name": "M",
        "credential": "RDN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-09-23",
        "last_updated": "2026-06-16",
        "certification_date": "2026-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1501X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Sports Dietetics",
            "state": "AZ",
            "license": null,
            "primary": false
        },
        {
            "code": "133VN1004X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Pediatric",
            "state": "AZ",
            "license": null,
            "primary": false
        },
        {
            "code": "133VN1301X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Oncology",
            "state": "AZ",
            "license": null,
            "primary": false
        },
        {
            "code": "133V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dietitian, Registered",
            "state": "AZ",
            "license": null,
            "primary": true
        },
        {
            "code": "133VN1201X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Obesity and Weight Management",
            "state": "AZ",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Nogales, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 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.