Active NPI
Tracy Helen Posniak, LCSW
- Clinical Social Worker
- Tarrytown, NY
National Provider Identifier
1851234355
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 081188
- Practice address
- 500 White Plains Rd Ste 215
Tarrytown, NY 10591-5102 - Phone
- (914) 359-5841
- Fax
- (845) 622-3794
- NPI assigned
- Apr 10, 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 | 081188 | NY | Primary |
Addresses
Primary practice location
500 White Plains Rd Ste 215
Tarrytown, NY 10591-5102
Mailing address
25 Bank St Apt 222H
White Plains, NY 10606-7010
Phone (914) 980-6430
Other practice location 1
25 Bank St Apt 222H
White Plains, NY 10606-7010
Phone (914) 980-6430
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260602003267 | NY | Practitioner - Clinical Social Worker | 6800367780 |
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
560 White Plains Rd
Suite 215
Tarrytown, NY 10591-5178
Phone (914) 359-5841
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 088118 | NY | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Carmel Psychological Health, PC | Clinical | Current | Accepting new patients |
Locations
560 White Plains Rd
Ste 215
Tarrytown, NY 10591
Phone (914) 218-2818
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1775779200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782086400000",
"number": "1851234355",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "25 BANK ST APT 222H",
"city": "WHITE PLAINS",
"state": "NY",
"postal_code": "106067010",
"telephone_number": "914-980-6430"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "500 WHITE PLAINS RD STE 215",
"city": "TARRYTOWN",
"state": "NY",
"postal_code": "105915102",
"telephone_number": "914-359-5841",
"fax_number": "845-622-3794"
}
],
"practiceLocations": [
{
"address_1": "25 Bank St Apt 222H",
"address_purpose": "LOCATION",
"city": "White Plains",
"state": "NY",
"postal_code": "106067010",
"country_code": "US",
"telephone_number": "914-980-6430",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "POSNIAK",
"first_name": "TRACY",
"middle_name": "HELEN",
"credential": "LCSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-04-10",
"last_updated": "2026-06-22",
"certification_date": "2026-06-22",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NY",
"license": "081188",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tarrytown, 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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.