Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dennis Toutant, PH.D., R.A.S.

Addiction (Substance Use Disorder) Counselor in Rancho Cucamonga, CA · enumerated 2007.

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

National Provider Identifier

1417158858

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Registry record

Entity type Individual (Type 1)

Name Dennis Toutant

Credential PH.D., R.A.S.

Sex Male

Practice address 9375 Archibald Ave, Suite 204, Rancho Cucamonga, CA, 91730

Phone (909) 989-9724

Fax (909) 989-0249

Enumeration date May 31, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License RI-Q0701081409 (CA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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 Dennis Toutant?

The National Provider Identifier (NPI) for Dennis Toutant is 1417158858, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dennis Toutant practice?

The practice location on file with NPPES is in Rancho Cucamonga, 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.