Active NPI
Rebecca Anne Sinski, LCSW
- Clinical Social Worker
- Brooklyn, NY
National Provider Identifier
1013843762
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 100513
- Practice address
- 363 S 5TH St Apt 1
Brooklyn, NY 11211-6420 - Phone
- (973) 590-4366
- NPI assigned
- Jun 22, 2026
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 100513 | NY | Primary |
Addresses
Primary practice location
363 S 5TH St Apt 1
Brooklyn, NY 11211-6420
Mailing address
363 S 5TH St Apt 1
Brooklyn, NY 11211-6420
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1782086400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782086400000",
"number": "1013843762",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "363 S 5TH ST APT 1",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112116420"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "363 S 5TH ST APT 1",
"city": "BROOKLYN",
"state": "NY",
"postal_code": "112116420",
"telephone_number": "973-590-4366"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SINSKI",
"first_name": "REBECCA",
"middle_name": "ANNE",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-06-22",
"last_updated": "2026-06-22",
"certification_date": "2026-06-21",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "100513",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Brooklyn, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 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.