Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Daniel W Zajicek, PAC

Physician Assistant in Appleton, WI · enumerated 2005.

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

National Provider Identifier

1437146198

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Registry record

Entity type Individual (Type 1)

Name Daniel W Zajicek

Credential PAC

Sex Male

Practice address 1611 S Madison St, Appleton, WI, 54915

Phone (920) 730-6700

Enumeration date Sep 28, 2005

Last updated in NPPES Dec 11, 2020

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 581 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
42928200	Medicaid	WI	-

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

What is the NPI number for Daniel Zajicek?

The National Provider Identifier (NPI) for Daniel Zajicek is 1437146198, a Type 1 (individual) record in the CMS NPPES registry.

Where does Daniel Zajicek practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-11.