Omoruyi Ayiyi, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

232153 Issued in AZ

Practice address

4850 S 4TH Ave
Phoenix, AZ 85041-3180

Phone

(480) 286-0407

NPI assigned

Jan 7, 2026

Last updated

Jan 20, 2026By the provider in NPPES

Sex

Male

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, 2026

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ternion Physician Group, PLLCGroup PAC ID 6709157589, 5 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Ternion Physician Group, PLLC

  • Internal Medicine Physician
  • Anthem, AZ
  • NPI 1013466192
  Medicare reassignment Care Compare group
• Signify Health, LLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1689158487

  AZ

  Medicare reassignment

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

{
    "created_epoch": "1767744000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1881551158",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4850 S 4TH AVE",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850413180",
            "telephone_number": "480-286-0407"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4850 S 4TH AVE",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850413180",
            "telephone_number": "480-286-0407"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AYIYI",
        "first_name": "OMORUYI",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-07",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "AZ",
            "license": "232153",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Beyza Aydin, MD
• Olubukunola Ayeni, MD, MPH, FRCSC
• Angela Ayers, LAC
• Annabelle Ayers
• Savannah Kay Ayers
• Osaginwen Kingsley Ayiyi, NP-C
• Ruth Ayiyi, FNP-C
• Mary J Aylward, LCSW
• Faez A. Ayoob, MD
• Oluwatosin Ayotunde, MD

• 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 Jan 20, 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.
• 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.