Active NPI
Nancy Joan Koury, MSW
- Social Worker
- Old Greenwich, CT
National Provider Identifier
1366570830
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 064197-1
- Practice address
- 31 Halsey Dr
Old Greenwich, CT 06870-1228 - Phone
- (203) 637-4475
- NPI assigned
- Feb 28, 2007
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | 064197-1 | NY | Primary |
| Clinical Social Worker | 1041C0700X | 005590 | CT |
Addresses
Primary practice location
31 Halsey Dr
Old Greenwich, CT 06870-1228
Mailing address
31 Halsey Dr
Old Greenwich, CT 06870-1228
Phone (203) 637-4475
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 064197-1 | NY | MD | Social Worker |
| 005590 | CT | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1172620800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1366570830",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "31 HALSEY DR",
"city": "OLD GREENWICH",
"state": "CT",
"postal_code": "068701228",
"telephone_number": "203-637-4475"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "31 HALSEY DR",
"city": "OLD GREENWICH",
"state": "CT",
"postal_code": "068701228",
"telephone_number": "203-637-4475"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOURY",
"first_name": "NANCY",
"middle_name": "JOAN",
"name_prefix": "Mrs.",
"credential": "MSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-02-28",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "NY",
"license": "064197-1",
"primary": true
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CT",
"license": "005590",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Old Greenwich, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.