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WESTERN NEW YORK LICENSED CLINICAL SOCIAL WORK SERVICES, PLLC
NPI 1316648710
Social Worker - Clinical in Williamsville, NY

Active since March 13, 2023
300 N. FOREST RD., STE #S256, WILLIAMSVILLE, NY 14221(716) 628-5296 Get Directions Write a Review

NPPES record last updated: March 13, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Western New York Licensed Clinical Social Work Services, Pllc NPPES

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

WESTERN NEW YORK LICENSED CLINICAL SOCIAL WORK SERVICES, PLLC (NPI 1316648710), doing business as Wny Lcsw Services Pllc, is a healthcare organization registered as a clinical in Williamsville, New York and active in the NPI registry since March 2023. The organization lists Shirley B. Mazourek, Owner/founder, as its authorized official.

NPPES Registry Identity

NPI1316648710
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameWESTERN NEW YORK LICENSED CLINICAL SOCIAL WORK SERVICES, PLLC
Location Address300 N. FOREST RD., STE #S256Williamsville, NY 14221-5056
Mailing Address223 Cottonwood DriveWilliamsville, NY 14221-1608 · (716) 628-5296
Phone(716) 628-5296
Organization SubpartNo
Authorized OfficialShirley B. MazourekOwner/founder · (716) 628-5296
Enumeration DateMarch 13, 2023
NPPES CertifiedMarch 13, 2023
✔ NPI 1316648710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
300 N. FOREST RD., Williamsville, NY 14221
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Other Names 1

Doing Business AsWny Lcsw Services Pllc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Western New York Licensed Clinical Social Work Services, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Western New York Licensed Clinical Social Work Services, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Shirley Mazourek, MSW, LCSW-R
Clinical Social Worker
NPI 1760545834
1010 MAIN STREET ECMC OUTPATIENT CLINIC
Buffalo, NY 14202
(716) 898-1675
✔ PECOS✔ Accepts Medicare7.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Western New York Licensed Clinical Social Work Services, PLLC's NPI number?

The NPI number for Western New York Licensed Clinical Social Work Services, PLLC is 1316648710. It was assigned to this organization in the NPPES registry on March 13, 2023. The provider is doing business as WNY LCSW Services PLLC.

Where is Western New York Licensed Clinical Social Work Services, PLLC located?

Western New York Licensed Clinical Social Work Services, PLLC is located at 300 N. Forest Rd. Ste #s256, Williamsville, NY 14221. The listed phone number is (716) 628-5296.

What is Western New York Licensed Clinical Social Work Services, PLLC's specialty?

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

Is Western New York Licensed Clinical Social Work Services, PLLC enrolled in Medicare?

Yes. Western New York Licensed Clinical Social Work Services, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Western New York Licensed Clinical Social Work Services, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Western New York Licensed Clinical Social Work Services, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Western New York Licensed Clinical Social Work Services, PLLC was last updated on March 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.