William L Sullivan, LICSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

111266 Issued in MA

Practice address

923 Route 6a
Unit T
Yarmouth Port, MA 02675-2159

Phone

(508) 362-5080

NPI assigned

May 9, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1147132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1174572853",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "923 ROUTE 6A",
            "address_2": "UNIT T",
            "city": "YARMOUTH PORT",
            "state": "MA",
            "postal_code": "026752159",
            "telephone_number": "508-362-5080"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "923 ROUTE 6A",
            "address_2": "UNIT T",
            "city": "YARMOUTH PORT",
            "state": "MA",
            "postal_code": "026752159",
            "telephone_number": "508-362-5080"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "WILLIAM",
        "middle_name": "L",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "111266",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICSW",
            "identifier": "111266",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Josh Stennett
• Steven David PH.D. & Associates, a Professional Psychology Corporation
• Morgan P Stott
• Eric Dean Stroshine, SOCIAL WORKER
• Brigid Shannon Stucker
• Catherine Anne Suppan, MD
• Ann M Temple, LMHC
• Lisa Terry
• Linda Bridget Teuwen, RD, LD
• Heather Thomas

• Clinical Social Worker in Yarmouth Port, MA
• Providers in Yarmouth Port, MA by specialty
• Clinical Social Worker in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.