Active NPI
Syerra Toussaint, LMFT
- Marriage & Family Therapist
- Lynbrook, NY
National Provider Identifier
1891576138
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- Practice address
- 777 Sunrise Hwy Ste 200
Lynbrook, NY 11563-2950 - Phone
- (516) 350-8564
- NPI assigned
- Oct 12, 2023
- 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 |
|---|---|---|---|---|
| Marriage & Family Therapist | 106H00000X | NY | Primary |
Addresses
Primary practice location
777 Sunrise Hwy Ste 200
Lynbrook, NY 11563-2950
Mailing address
123 Grove Ave Ste 216
Cedarhurst, NY 11516-2302
Phone (516) 350-8564
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| P122435 | NY | MD | Marriage & Family Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nassau Psychology, P.C. | Current | Accepting new patients |
Locations
123 Grove Ave
Ste 216
Cedarhurst, NY 11516
Phone (516) 569-5200
777 Sunrise Hwy
Ste 200
Lynbrook, NY 11563
Phone (516) 887-3516
165 N Village Ave
Ste 12
Rockville Ctr, NY 11570
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Psychologist
- Lynbrook, NY
- NPI 1750763538
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1697068800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787616000000",
"number": "1891576138",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "123 GROVE AVE STE 216",
"city": "CEDARHURST",
"state": "NY",
"postal_code": "115162302",
"telephone_number": "516-350-8564",
"fax_number": "516-874-2477"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "777 SUNRISE HWY STE 200",
"city": "LYNBROOK",
"state": "NY",
"postal_code": "115632950",
"telephone_number": "516-350-8564"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TOUSSAINT",
"first_name": "SYERRA",
"credential": "LMFT",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2023-10-12",
"last_updated": "2026-08-25",
"certification_date": "2026-08-25",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "NY",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lynbrook, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.