Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Holecek

Physician Assistant in Evanston, IL · enumerated 2026.

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

National Provider Identifier

1609732528

Verified

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Registry record

Entity type Individual (Type 1)

Name Catherine Holecek

Sex X

Practice address 501 Davis St, Evanston, IL, 60201

Phone (312) 815-9660

Enumeration date Jan 5, 2026

Last updated in NPPES Jan 5, 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Catherine Holecek?

The National Provider Identifier (NPI) for Catherine Holecek is 1609732528, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Holecek practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-05.