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

Physician Services Corporation of Southern Illinois

Surgery Physician in Mount Vernon, IL · enumerated 2009 · authorized official Tammy Simonton, Billing Mng.

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

National Provider Identifier

1831337450

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Registry record

Entity type Organization (Type 2)
Legal business name Physician Services Corporation of Southern Illinois
Other name <Unavail>
Parent organization Physcian Services Corporation of Southern Illinois
Practice address 4218 Lincolnshire Dr, Mount Vernon, IL, 62864
Enumeration date Feb 4, 2009
Last updated in NPPES Feb 4, 2009

Taxonomy & classification

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 036113387 (IL) Primary

Authorized official

Name Tammy Simonton
Title Billing Mng

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 Physician Services Corporation of Southern Illinois?
The NPI for Physician Services Corporation of Southern Illinois is 1831337450, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Physician Services Corporation of Southern Illinois?
NPPES lists Tammy Simonton (Billing Mng) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-04.