Alyssa Renee Sullivan

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

12.011734 Issued in CT

Practice address

385 W Main St
Avon, CT 06001-4357

Phone

(860) 777-1280

NPI assigned

Jan 17, 2023

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 CT

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, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hartford Healthcare Urgent Care Centers LLCGroup PAC ID 7618242777, 201 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

81.78 of 100Reported as group

Quality

85.61

Promoting interoperability

100

Improvement activities

40

Cost

46.45

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: alyssa.mattison@xdr.hhchealthdirect.org

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.

• Hartford Healthcare Urgent Care Centers, LLC

  • Urgent Care Clinic/Center
  • Avon, CT
  • NPI 1093239683
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1673913600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1417662156",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1290 SILAS DEANE HWY",
            "address_2": "HARTFORD HEALTHCARE-CVO",
            "city": "WETHERSFIELD",
            "state": "CT",
            "postal_code": "061094337"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "385 W MAIN ST",
            "city": "AVON",
            "state": "CT",
            "postal_code": "060014357",
            "telephone_number": "860-777-1280"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "ALYSSA",
        "middle_name": "RENEE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-01-17",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CT",
            "license": "12.011734",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Courtney Streeto, APRN
• Vicki J Strnatka Knapp, PHD CLINICAL PSYCHOL
• Paul P Stroebel, M.D.
• Kathleen Ann Subasic, OTR/L
• Sui Cura Health
• Anna Summerfield, PT
• Kristen Sutton, MS,OTR/L
• Swallowing Diagnostics, LLC
• Elisabeth Sue Swanson, SLP
• Corine Sylvain

• Family Nurse Practitioner in Avon, CT
• Providers in Avon, CT by specialty
• Family Nurse Practitioner in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 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.