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

Constance Patricia Kass

Medical Physician Assistant in Evergreen Park, IL · enumerated 2021.

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

National Provider Identifier

1639842933

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Registry record

Entity type Individual (Type 1)

Name Constance Patricia Kass

Sex Female

Practice address Evergreen Park, IL, 60805

Phone (708) 423-8150

Fax (708) 423-8152

Enumeration date Aug 1, 2021

Last updated in NPPES Sep 16, 2023

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

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085008654 (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 Constance Kass practice?

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

What is the NPI number for Constance Kass?

The National Provider Identifier (NPI) for Constance Kass is 1639842933, 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 2023-09-16.