Guadalupe Yessenia Diaz, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A22524 Issued in CA

Practice address

344 E 6TH St
Madera, CA 93638-3631

Phone

(559) 664-4000

Fax

(559) 675-5224

NPI assigned

May 11, 2019

Last updated

Oct 7, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gdiaz69467@valleychildrens-prd.direct-ci.com
• Direct secure messaging: guadalupe.diaz.1@17661.direct.athenahealth.com

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

• University Faculty Associates, Inc.

  • Internal Medicine Physician
  • Fresno, CA
  • NPI 1073911137

  Family Medicine

  Medicare reassignment NPD
• Diosita LLC

  • Clinic/Center
  • Fresno, CA
  • NPI 1205763323
  NPD Authorized official
• Central California Faculty Medical Group, Inc.

  • Emergency Medicine Physician
  • Fresno, CA
  • NPI 1457603573
  NPD
• Central California Faculty Medical Group, Inc.

  • Internal Medicine Physician
  • Clovis, CA
  • NPI 1992742852

  Family Medicine

  NPD
• United Health Centers of the San Joaquin Valley

  • Federally Qualified Health Center (FQHC)
  • Huron, CA
  • NPI 1134101686
  NPD (past)

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

{
    "created_epoch": "1557532800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791331200000",
    "number": "1164088548",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "344 E 6TH ST",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936383631",
            "telephone_number": "559-664-4000",
            "fax_number": "559-675-5224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "344 E 6TH ST",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936383631",
            "telephone_number": "559-664-4000",
            "fax_number": "559-675-5224"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "GUADALUPE",
        "middle_name": "YESSENIA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-11",
        "last_updated": "2026-10-07",
        "certification_date": "2026-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A22524",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dhillon Dental Corp (Smilerite Family Dentistry)
• Surinder P Dhillon, MD
• Griselda Diaz -Lopez
• Alisia Diaz
• Flora Diaz
• Terri Dickey, FNP
• Mary Stephina Didde
• Drew Dieckmann, PHARMD
• Jessica Dillon-Stathacopulos
• Zeeshawn Din

• Family Medicine Physician in Madera, CA
• Providers in Madera, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.