Active NPI
Sarah Retchin, LCSW
- Clinical Social Worker
- New York, NY
National Provider Identifier
1962156638
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 100784
- Practice address
- 53 E 96TH St Ofc 1a
New York, NY 10128-0815 - Phone
- (212) 659-8724
- NPI assigned
- Feb 10, 2022
- Last updated
- Aug 21, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | 113394 | NY | |
| Clinical Social Worker | 1041C0700X | 100784 | NY | Primary |
Addresses
Primary practice location
53 E 96TH St Ofc 1a
New York, NY 10128-0815
Mailing address
53 E 96TH St Ofc 1a
New York, NY 10128-0815
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective May 15, 2026 through May 15, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 113394 | NY | MD | Social Worker |
| 100784 | NY | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1644451200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755734400000",
"number": "1962156638",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "53 E 96TH ST OFC 1A",
"city": "NEW YORK",
"state": "NY",
"postal_code": "101280815"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "53 E 96TH ST OFC 1A",
"city": "NEW YORK",
"state": "NY",
"postal_code": "101280815",
"telephone_number": "212-659-8724"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RETCHIN",
"first_name": "SARAH",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-02-10",
"last_updated": "2025-08-21",
"certification_date": "2025-08-21",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "NY",
"license": "113394",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "100784",
"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 Aug 21, 2025; 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.