Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brendan Mazurek, PT DPT

Physical Therapist in Williamsville, NY · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1174172399

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Registry record

Entity type Individual (Type 1)

Name Brendan Mazurek

Credential PT DPT

Sex Male

Practice address 40 George Karl Blvd Ste 140, Williamsville, NY, 14221

Phone (716) 539-0888

Fax (716) 539-0889

Enumeration date Sep 10, 2019

Last updated in NPPES Oct 1, 2020

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 044891 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
05899647	Medicaid	NY	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Brendan Mazurek practice?

The practice location on file with NPPES is in Williamsville, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Brendan Mazurek?

The National Provider Identifier (NPI) for Brendan Mazurek is 1174172399, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Lauren Losi Physical Therapist · Williamsville, NY NPI 1598294829 Jillian Mcmasters Occupational Therapist · Williamsville, NY NPI 1861083255 Savannah Warner Physical Therapist · Williamsville, NY NPI 1790568269

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-01.