Active NPI
Cynthia Kolbowski, LCSW
- Clinical Social Worker
- New York, NY
National Provider Identifier
1972525988
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- R038610-1
- Practice address
- 135 W 79TH St Apt 8D
New York, NY 10024-6464 - Phone
- (917) 952-4383
- NPI assigned
- Jul 25, 2006
- Last updated
- Feb 24, 2026
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | R038610-1 | NY | Primary |
Addresses
Primary practice location
135 W 79TH St Apt 8D
New York, NY 10024-6464
Mailing address
135 W 79TH St Apt 8D
New York, NY 10024-6464
Phone (917) 952-4383
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Jun 1, 2022 through Jun 1, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R038610-1 | NY | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153785600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771891200000",
"number": "1972525988",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "135 W 79TH ST APT 8D",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100246464",
"telephone_number": "917-952-4383"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "135 W 79TH ST APT 8D",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100246464",
"telephone_number": "917-952-4383"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOLBOWSKI",
"first_name": "CYNTHIA",
"name_prefix": "Ms.",
"credential": "LCSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2006-07-25",
"last_updated": "2026-02-24",
"certification_date": "2026-02-24",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "R038610-1",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.