William Mecca Jr., LCSW

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

000574 Issued in CT

Practice address

4 Whitney Extention
Westport, CT 06880

Phone

(203) 257-3181

Fax

(203) 375-1999

NPI assigned

May 16, 2006

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

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1073565438",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31 SKYVIEW DR",
            "city": "TRUMBULL",
            "state": "CT",
            "postal_code": "066114033",
            "telephone_number": "203-257-3181",
            "fax_number": "203-375-1999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4 WHITNEY EXTENTION",
            "city": "WESTPORT",
            "state": "CT",
            "postal_code": "06880",
            "telephone_number": "203-257-3181",
            "fax_number": "203-375-1999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MECCA",
        "first_name": "WILLIAM",
        "name_suffix": "Jr.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CT",
            "license": "000574",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CT",
            "license": "003871",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael McGlynn, D.C.
• Jenny McGuinness, DPT
• Theresa M McGuinness, LMFT
• Kara Ann McHugh, LPC-A
• Heather Elisabeth McKee, PSY.D.
• Med-Teksi LLC
• Meditox Care, LLC
• Meditox Care, LLC
• Meditox Care, LLC
• Holly Christine Mehne, MSW

• Addiction (Substance Use Disorder) Counselor in Westport, CT
• Providers in Westport, CT by specialty
• Addiction (Substance Use Disorder) Counselor in Connecticut

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

Verify at the official NPI Registry.