Outpatient and intensive outpatient substance use disorder treatment for adults incorporating AI/AN cultural elements. Curriculum based on White Bison, Inc. Includes Traditional Indian Medicine integration, individual counseling, medical oversight, nutritional awareness education, and random drug screening. Two levels of care: Intensive Outpatient (IOP, ASAM LOC 2.1 — three sessions per week) and Outpatient (OP, ASAM LOC 1.0 — one session per week). Walk-in intake only — no appointments for assessments.