Active NPI
Lindsay Marie Grechkosey
- Social Worker
- Elmhurst, NY
National Provider Identifier
1952211278
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 133457
- Practice address
- 8403 57TH Ave
Elmhurst, NY 11373-4833 - Phone
- (718) 899-9060
- NPI assigned
- Sep 9, 2026
- Last updated
- Sep 9, 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | 133457 | NY | Primary |
Addresses
Primary practice location
8403 57TH Ave
Elmhurst, NY 11373-4833
Mailing address
6218 69TH PL
Middle Village, NY 11379-1108
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Next Step Therapy Applied Behavior Analysis, PLLC | Past | Accepting new patients | |
| Emilia's Kids | Past | Accepting new patients |
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Early Intervention Provider Agency
- Elmhurst, NY
- NPI 1295970150
-
- Behavior Analyst
- Elmhurst, NY
- NPI 1235098286
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788912000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788912000000",
"number": "1952211278",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6218 69TH PL",
"city": "MIDDLE VILLAGE",
"state": "NY",
"postal_code": "113791108"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8403 57TH AVE",
"city": "ELMHURST",
"state": "NY",
"postal_code": "113734833",
"telephone_number": "718-899-9060"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GRECHKOSEY",
"first_name": "LINDSAY",
"middle_name": "MARIE",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-09-09",
"last_updated": "2026-09-09",
"certification_date": "2026-09-09",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "NY",
"license": "133457",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Elmhurst, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.