Dawn Marie Hays, FNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95035911 Issued in CA

Practice address

15640 N 28TH Dr
Phoenix, AZ 85053-4059

Phone

(602) 439-9000

NPI assigned

Jul 11, 2025

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 AZ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Arizona Endocrinology Center PLCGroup PAC ID 0749365781, 10 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/FHHBBA

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.

• Arizona Endocrinology Center, PLC

  • Metabolic Nutrition Registered Dietitian
  • Phoenix, AZ
  • NPI 1508036377
  Medicare reassignment Care Compare group
• Arizona Endocrinology Center, PLC

  • Specialist
  • Phoenix, AZ
  • NPI 1154363547
  NPD
• Arizona Endocrinology Center, PLC

  • Clinical Medical Laboratory
  • Phoenix, AZ
  • NPI 1881860831
  NPD

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

{
    "created_epoch": "1752192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1215828850",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15640 N 28TH DR",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850534059",
            "telephone_number": "602-439-9000",
            "fax_number": "602-978-5233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15640 N 28TH DR",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850534059",
            "telephone_number": "602-439-9000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYS",
        "first_name": "DAWN",
        "middle_name": "MARIE",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-11",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95035911",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carol Ann Haynes, RN
• Esperanza Rebecca Haynes, BHPP
• George Haynes
• Sandra L Haynes, RN
• Stephen Patrick Haynes, PHYSICAL THERAPIST
• Lezlee P Hays, LPC
• Steve Hayslett, PHARMD
• Hayso Homes LLC
• Hayso Homes LLC
• Hayso Homes LLC

• Nurse Practitioner in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Nurse Practitioner in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; 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.
• 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.