Individual provider Active NPI

Doreen Kimiyo Diaz, RD, CDE

  • Registered Dietitian
  • Fresno, CA
National Provider Identifier
1023134046
Registry record updated Oct 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
Practice address
1551 E Shaw Ave Ste 128-139
Fresno, CA 93710-8024
Phone
(559) 320-0490
Fax
(559) 320-0494
NPI assigned
Mar 21, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 23, 2025

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 Primary

Addresses

Primary practice location

1551 E Shaw Ave Ste 128-139
Fresno, CA 93710-8024

Mailing address

1551 E Shaw Ave Ste 128-139
Fresno, CA 93710-8024
Phone (559) 320-0490

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Fresno American Indian Health Project CurrentSince Nov 7, 2025 Accepting new patients

Locations

1551 E Shaw Ave
Ste 128139
Fresno, CA 93710
Phone (559) 320-0490

Interoperability endpoints

  • Direct secure messaging: doreen.diaz.d1.p1@direct.faihp.nextgenshare.com
  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 1

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": "1174435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761177600000",
    "number": "1023134046",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1551 E SHAW AVE STE 128-139",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937108024",
            "telephone_number": "559-320-0490",
            "fax_number": "559-320-0494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1551 E SHAW AVE STE 128-139",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937108024",
            "telephone_number": "559-320-0490",
            "fax_number": "559-320-0494"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "DOREEN",
        "middle_name": "KIMIYO",
        "name_prefix": "Mrs.",
        "credential": "RD, CDE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-21",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fresno, CA

Sources for this page

Verify at the official NPI Registry.