Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jack Dennis Zandstra

Physician Assistant in Willowbrook, IL · enumerated 2021 · practices at Midwest Express Care 2, Inc.

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

National Provider Identifier

1881362051

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Registry record

Entity type Individual (Type 1)

Name Jack Dennis Zandstra

Sex Male

Practice address 40 75th St, Willowbrook, IL, 60527

Phone (630) 581-5372

Enumeration date Sep 2, 2021

Last updated in NPPES Sep 2, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1171553 (IL) 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 Jack Zandstra practice?

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

What is the NPI number for Jack Zandstra?

The National Provider Identifier (NPI) for Jack Zandstra is 1881362051, 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 2021-09-02.