Active NPI
Clara Elizabeth Chasse, LCSW
- Social Worker
- Killingworth, CT
National Provider Identifier
1659943512
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 005800
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| License | State | Type | Specialty |
|---|---|---|---|
| 005800 | CT | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Waterstone Counseling Center, LLC | Current | Accepting new patients | |
| CT Clinical Services, Inc. | Past | 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.
-
- Family Medicine Physician
- Madison, CT
- NPI 1851767933
-
- Substance Use Disorder Rehabilitation Clinic/Center
- New Haven, CT
- NPI 1497025035
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.