As increasing numbers of behavioral health clinicians enter primary care without prior primary care experience, a structured and consistent onboarding process becomes critical. This presentation outlines a comprehensive training model that begins before hiring and continues through a clinician’s early months in practice. Our approach incorporates strong training materials, standardized workflows, and hands‑on support to build confidence and core competencies. Guided mentorship and real‑world learning help clinicians adapt to the pace and complexity of primary care. Attendees will gain practical strategies to enhance onboarding programs, improve clinician readiness, and support high‑quality, patient‑centered care.