Individual provider Active NPI

Tracy Helen Posniak, LCSW

  • Clinical Social Worker
  • Tarrytown, NY
National Provider Identifier
1851234355
Registry record updated Jun 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
081188 Issued in NY
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

Updated by the provider on Jun 22, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
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
Carmel Psychological Health PCGroup PAC ID 4385530351, 222 clinicians

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

LicenseStateTypeSpecialty
088118NYMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Carmel Psychological Health, PC Clinical CurrentSince Jul 6, 2026 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

Verify at the official NPI Registry.