MS. SHIRLEY MAZOUREK MSW, LCSW-R
NPI 1760545834
Social Worker - Clinical in Buffalo, NY
About Ms. Shirley Mazourek Msw, Lcsw-r NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SHIRLEY MAZOUREK MSW, LCSW-R (NPI 1760545834) is an individual clinical provider in Buffalo, New York, licensed in New York (074963) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Shirley Mazourek Msw, Lcsw-r is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Shirley Mazourek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUFFALO, NY 14202
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 Shirley Mazourek's NPI number?
The NPI number for Shirley Mazourek is 1760545834. It was assigned to this individual provider in the NPPES registry on December 19, 2006.
Where is Shirley Mazourek located?
Shirley Mazourek practices at 1010 Main Street Ecmc Outpatient Clinic, Buffalo, NY 14202. The listed phone number is (716) 898-1675.
What is Shirley Mazourek's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Shirley Mazourek enrolled in Medicare?
Yes. Shirley Mazourek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Shirley Mazourek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shirley Mazourek reassigns Medicare benefits to 2 organizations: Western New York Licensed Clinical Social Work Services, PLLC (Williamsville, NY) and Ub Family Medicine, Inc (Williamsville, NY). Each 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 Shirley Mazourek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Shirley Mazourek was last updated on September 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Ms. Shirley Mazourek, MSW, LCSW-R · NPI 1760545834
Clinical provider in Buffalo, New York. Individual provider, active in the CMS NPPES registry since December 19, 2006.
## Identity
- **NPI:** 1760545834 (Entity type: Individual)
- **Enumerated:** December 19, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 074963 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1010 MAIN STREET, ECMC OUTPATIENT CLINIC, Buffalo, NY 14202
- **Phone:** (716) 898-1675 · **Fax:** (716) 898-1311
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Western New York Licensed Clinical Social Work Services, PLLC (NPI 1316648710, Williamsville, NY); Ub Family Medicine, Inc (NPI 1942294467, Williamsville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** September 19, 2014
- **Other identifiers:** Medicaid 0073074963 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1760545834) · Data from the CMS NPPES public registry.