Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Riverside County, Department of Mental Health

Case Management Agency in Riverside, CA · enumerated 2007 · authorized official Adrienne Chadwick, Ctii.

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

National Provider Identifier

1194863969

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Registry record

Entity type Organization (Type 2)

Legal business name Riverside County, Department of Mental Health

Practice address 4275 Lemon St Ste 205, Riverside, CA, 92501

Phone (951) 955-4545

Enumeration date Feb 2, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

251B00000X Case Management Agency Agencies · License LCSW72861 (CA) Primary

Authorized official

Name Adrienne Chadwick

Title Ctii

Phone (951) 955-4545

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 Riverside County, Department of Mental Health?

NPPES lists Adrienne Chadwick (Ctii) as the authorized official for this organization.

What is the NPI number for Riverside County, Department of Mental Health?

The NPI for Riverside County, Department of Mental Health is 1194863969, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.