Janet Ellen Knowlton, MSW, LICSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

1022180 Issued in MA

Practice address

421 N Main St
Leeds, MA 01053-9764

Phone

(508) 425-2595

Fax

(508) 425-2600

NPI assigned

Jan 30, 2007

Sex

Female

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1170115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1922145218",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "231 OSBORNE RD",
            "city": "WARE",
            "state": "MA",
            "postal_code": "010829216",
            "telephone_number": "413-967-9041"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "421 N MAIN ST",
            "city": "LEEDS",
            "state": "MA",
            "postal_code": "010539764",
            "telephone_number": "508-425-2595",
            "fax_number": "508-425-2600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOWLTON",
        "first_name": "JANET",
        "middle_name": "ELLEN",
        "name_prefix": "Ms.",
        "credential": "MSW, LICSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-01-30",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "1022180",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacquelyn Renae Kimball, M.D.
• Megan Kimball, LCSW
• Nicole Tan Kirchen, MD
• Jordan R Klebanow, LICSW
• Alice Gawron Knittel, PHARMD
• Theresa Koloski
• Maria Korochenko, LICSW
• Jessica Lau Kosofsky, PHARMD
• Michael Krason, RRT
• Carolyn Larose Krause, RNCNP

• Clinical Social Worker in Leeds, MA
• Providers in Leeds, 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 Sep 15, 2025; 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.