Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Board of Trustees of Southern Illinois University

Clinic/Center in Springfield, IL · enumerated 2023 · authorized official Iris Wesley, Ceo.

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

National Provider Identifier

1366129843

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Registry record

Entity type Organization (Type 2)

Legal business name Board of Trustees of Southern Illinois University

Parent organization Board of Trustees of Southern Illinois University

Practice address 401 N Walnut St, Springfield, IL, 62702

Phone (217) 545-7815

Enumeration date Jun 28, 2023

Last updated in NPPES Jun 28, 2023

Taxonomy & classification

261Q00000X Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Iris Wesley

Title Ceo

Phone (217) 757-8137

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

Who is the authorized official for Board of Trustees of Southern Illinois University?

NPPES lists Iris Wesley (Ceo) as the authorized official for this organization.

What is the NPI number for Board of Trustees of Southern Illinois University?

The NPI for Board of Trustees of Southern Illinois University is 1366129843, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-28.