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TRACY HELEN POSNIAK LCSW
NPI 1851234355
Social Worker - Clinical in Tarrytown, NY

Active since April 10, 2026PECOS Enrolled
500 WHITE PLAINS RD STE 215, TARRYTOWN, NY 10591(914) 359-5841(845) 622-3794 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Tracy Helen Posniak Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TRACY HELEN POSNIAK LCSW (NPI 1851234355) is an individual clinical provider in Tarrytown, New York, licensed in New York (081188) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in White Plains, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1851234355
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTRACY HELEN POSNIAKCredential: LCSW
Location Address500 WHITE PLAINS RD STE 215Tarrytown, NY 10591-5102
Mailing Address25 Bank St Apt 222hWhite Plains, NY 10606-7010 · (914) 980-6430
Phone(914) 359-5841
Fax(845) 622-3794
Sole ProprietorYes
Medical School CMSOtherGraduated 1992
Enumeration DateApril 10, 2026
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1851234355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 081188
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
500 WHITE PLAINS RD STE 215, Tarrytown, NY 10591
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Secondary Practice Location 1

Location 125 Bank St Apt 222HWhite Plains, NY 10606-7010 · Phone (914) 980-6430

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tracy Helen Posniak Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6800367780
PECOS Enrollment IDI20260602003267
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10591 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tracy Posniak's NPI number?

The NPI number for Tracy Posniak is 1851234355. It was assigned to this individual provider in the NPPES registry on April 10, 2026.

Where is Tracy Posniak located?

Tracy Posniak practices at 500 White Plains Rd Ste 215, Tarrytown, NY 10591. The listed phone number is (914) 359-5841.

What is Tracy Posniak's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Tracy Posniak enrolled in Medicare?

Yes. Tracy Posniak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tracy Posniak was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.