Gregory Allen Horn, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

6888 Issued in AZ

Practice address

2902 W Agua Fria Fwy Ste 1090
Phoenix, AZ 85027-3970

Phone

(602) 648-5444

Fax

(602) 772-3801

NPI assigned

Sep 11, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

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.

• Orthopedic Specialists of North America, PLLC

  • Orthopaedic Surgery Physician
  • Phoenix, AZ
  • NPI 1770812828
  Medicare reassignment NPD (past)
• Orthopedic Specialists of North America, PLLC

  • Multi-Specialty Clinic/Center
  • Cave Creek, AZ
  • NPI 1679181275
  NPD
• Arizona Asthma Allergy Legacy PLC

  • Allergy & Immunology Physician
  • Peoria, AZ
  • NPI 1922762699

  Physician Assistant

  NPD (past)
• District Medical Group, Inc

  • Internal Medicine Physician
  • Phoenix, AZ
  • NPI 1295968162
  NPD (past)

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

{
    "created_epoch": "1505088000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781568000000",
    "number": "1659890754",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 80217",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850600217",
            "telephone_number": "602-385-2115",
            "fax_number": "480-418-3323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2902 W AGUA FRIA FWY STE 1090",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850273970",
            "telephone_number": "602-648-5444",
            "fax_number": "602-772-3801"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HORN",
        "first_name": "GREGORY",
        "middle_name": "ALLEN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-09-11",
        "last_updated": "2026-06-16",
        "certification_date": "2026-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "AZ",
            "license": "6888",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "AZ",
            "license": "6888",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Horizon Psychiatry LLC
• Horizon Recovery Outpatient North Phoenix
• Horizon Recovery Whispering Wind LLC
• Horizons ABA Az LLC
• Nancy Horlick, M.D.
• Kevin Daniel Horn, MD
• Kimberly Heath Horn, DNP, FNP-C
• Meggan Horn
• Andrew Richard Horne, D.D.S.
• Jennifer S Horne, M.S., CCC-SLP

• Physician Assistant in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Physician Assistant in Arizona

• 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; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.