William Ej Horgan, M.D., FACEP, FAAP

Primary specialty

Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X

License

038803 Issued in CT

Practice address

263 Farmington Ave
Farmington, CT 06030-0001

Phone

(860) 679-3486

NPI assigned

Jul 12, 2005

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

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: Yes
• Hospice: No

Green means eligible to order or refer.

Merit-based Incentive Payment System (MIPS)

Final score

97.8 of 100Reported as group

Quality

90

Promoting interoperability

100

Improvement activities

40

Cost

78.43

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• The William W Backus Hospital

  • General Acute Care Hospital
  • Norwich, CT
  • NPI 1467517235
  NPD
• North Stonington Health Center, Inc

  • General Practice Physician
  • North Stonington, CT
  • NPI 1396050209
  NPD (past)
• Waterbury Hospital

  • General Acute Care Hospital
  • Waterbury, CT
  • NPI 1184615114
  NPD (past)

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

{
    "created_epoch": "1121126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1548268634",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 SAW MILL WAY",
            "city": "AMSTON",
            "state": "CT",
            "postal_code": "06231"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "263 FARMINGTON AVE",
            "city": "FARMINGTON",
            "state": "CT",
            "postal_code": "060300001",
            "telephone_number": "860-679-3486"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HORGAN",
        "first_name": "WILLIAM",
        "middle_name": "EJ",
        "name_prefix": "Dr.",
        "credential": "M.D., FACEP, FAAP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-12",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "038803",
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "CT",
            "license": "038803",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jenna Hooke, APRN-FNP
• Katharine J Hooper, FNP
• Hope DBP LLC
• Micayla Joyce Hopson, AUD
• Stuart M Horen, DC
• Behnoosh Hormozi
• Richard Wesley Horn, D.MIN, LMFT
• Samantha Ann Hornbuckle
• Diane Hoss
• Adam J House, DO

• Pediatric Emergency Medicine (Emergency Medicine) Physician in Farmington, CT
• Providers in Farmington, CT by specialty
• Pediatric Emergency Medicine (Emergency Medicine) Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.