Individual provider · Type 1 NPI

Brian Matthew Macmillan

Addiction (Substance Use Disorder) Counselor · Costa Mesa, CA

NPI number 1134027097 Active

About NPI 1134027097

Brian Matthew Macmillan's National Provider Identifier is 1134027097, issued on Oct 29, 2026. The primary taxonomy on file is Addiction (Substance Use Disorder) Counselor (101YA0400X), and the practice location is in Costa Mesa, CA. The record was last updated on Oct 29, 2026.