Individual provider Active NPI

Clara Elizabeth Chasse, LCSW

  • Social Worker
  • Killingworth, CT
National Provider Identifier
1659943512
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
005800 Issued in CT
Practice address
63 Parker Hill Road Ext
Killingworth, CT 06419-2311
Phone
(203) 937-2309
NPI assigned
Jul 12, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 005800 CT Primary

Addresses

Primary practice location

63 Parker Hill Road Ext
Killingworth, CT 06419-2311

Mailing address

63 Parker Hill Road Ext
Killingworth, CT 06419-2311
Phone (860) 575-1259

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
005800CTMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Waterstone Counseling Center, LLC CurrentSince Dec 14, 2021 Accepting new patients
CT Clinical Services, Inc. PastSince Nov 8, 2025 Accepting new patients

Locations

317 Long Hill Rd
Groton, CT 06340
Phone (203) 245-0412

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1626048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1659943512",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "63 PARKER HILL ROAD EXT",
            "city": "KILLINGWORTH",
            "state": "CT",
            "postal_code": "064192311",
            "telephone_number": "860-575-1259"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "63 PARKER HILL ROAD EXT",
            "city": "KILLINGWORTH",
            "state": "CT",
            "postal_code": "064192311",
            "telephone_number": "203-937-2309"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHASSE",
        "first_name": "CLARA",
        "middle_name": "ELIZABETH",
        "name_prefix": "Ms.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-12",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CT",
            "license": "005800",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Killingworth, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 29, 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.