Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Jeffrey Petrusek

Otolaryngology Physician in Barrington, IL · enumerated 2016 · practices at Ear, Nose & Throat Care Center, Ltd..

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

National Provider Identifier

1639531759

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Registry record

Entity type Individual (Type 1)

Name Jeffrey Petrusek

Sex Male

Practice address Barrington, IL, 60010

Phone (847) 649-6000

Fax (847) 649-6060

Enumeration date Mar 28, 2016

Last updated in NPPES Dec 27, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 036.155766 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Jeffrey Petrusek practice?

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

What is the NPI number for Jeffrey Petrusek?

The National Provider Identifier (NPI) for Jeffrey Petrusek is 1639531759, 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 2021-12-27.