Individual provider · Type 1 NPI

Justin Larkin

Addiction (Substance Use Disorder) Counselor · Ontario, CA

NPI number 1326974239 Active

Practice location

3286 E Guasti Rd Ste 100
Ontario, CA 91761-8646

Specialties and licenses

TaxonomyCodeLicense
Addiction (Substance Use Disorder) Counselor Primary 101YA0400XNone listed

Addiction (Substance Use Disorder) Counselor: Definition to come...

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About NPI 1326974239

Justin Larkin's National Provider Identifier is 1326974239, issued on Jun 18, 2026. The primary taxonomy on file is Addiction (Substance Use Disorder) Counselor (101YA0400X), and the practice location is in Ontario, CA. The record was last updated on Jun 18, 2026.