Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Katherine Lurene Irwin, LSW

Social Worker in Champaign, IL · enumerated 2013 · practices at Campion, Barrow and Associates.

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

National Provider Identifier

1871831180

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Registry record

Entity type Individual (Type 1)

Name Ms. Katherine Lurene Irwin

Credential LSW

Sex Female

Practice address 2110 Clearlake Blvd, Suite 202, Champaign, IL, 61822

Phone (800) 292-3399

Fax (217) 365-9875

Enumeration date Jan 21, 2013

Last updated in NPPES Jan 21, 2013

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 150.013960 (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

What is the NPI number for Katherine Irwin?

The National Provider Identifier (NPI) for Katherine Irwin is 1871831180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Irwin practice?

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

Other providers at this practice address

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Campion, Barrow and Associates Mental Health Counselor · Champaign, IL NPI 1972662997

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-21.