Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Curtis C Rouanzoin

Clinical Psychologist in Placentia, CA · enumerated 2007.

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

National Provider Identifier

1538388186

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Registry record

Entity type Individual (Type 1)

Name Dr. Curtis C Rouanzoin

Sex Male

Practice address 101 S Kraemer Blvd, Ste 110, Placentia, CA, 92870

Phone (714) 577-0400

Fax (714) 577-0408

Enumeration date Apr 24, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PSY7809 (CA) 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 Curtis Rouanzoin?

The National Provider Identifier (NPI) for Curtis Rouanzoin is 1538388186, a Type 1 (individual) record in the CMS NPPES registry.

Where does Curtis Rouanzoin practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.