Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Comprehensive Mental Health Center of St. Clair County, Inc.

Mental Illness Community Based Residential Treatment Facility in East Saint Louis, IL · enumerated 2008 · authorized official Joseph Harper, Executive Director.

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

National Provider Identifier

1144499708

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Registry record

Entity type Organization (Type 2)

Legal business name Comprehensive Mental Health Center of St. Clair County, Inc.

Practice address 505 S 8th St, East Saint Louis, IL, 62201

Phone (618) 482-7330

Fax (618) 482-4351

Enumeration date Feb 27, 2008

Last updated in NPPES Jul 12, 2023

Taxonomy & classification

320800000X Mental Illness Community Based Residential Treatment Facility Residential Treatment Facilities Primary

Authorized official

Name Joseph Harper

Title Executive Director

Phone (618) 482-7330

Other identifiers

Identifier	Type	State	Issuer
04037	Medicaid	IL	-

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

What is the NPI number for Comprehensive Mental Health Center of St. Clair County, Inc.?

The NPI for Comprehensive Mental Health Center of St. Clair County, Inc. is 1144499708, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Comprehensive Mental Health Center of St. Clair County, Inc.?

NPPES lists Joseph Harper (Executive Director) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-12.