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Haley Brielle Zak

Physician Assistant in Downers Grove, IL · enumerated 2026 · practices at Midwestern University.

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

National Provider Identifier

1881507879

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Registry record

Entity type Individual (Type 1)
Name Haley Brielle Zak
Sex Female
Practice address 555 31st St, Downers Grove, IL, 60515
Phone (630) 971-6080
Enumeration date Sep 23, 2026
Last updated in NPPES Sep 23, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

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.

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Frequently asked questions

Where does Haley Zak practice?
The practice location on file with NPPES is in Downers Grove, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Haley Zak?
The National Provider Identifier (NPI) for Haley Zak is 1881507879, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-23.