RecruitingBehavioural interventionBuilding Retention and Initiation Through Delivery of Peer-Guided Evidence-Based PracticesThis study will provide longitudinal data for 6-months on a target sample of patients with Opioid Use Disorder (OUD) recruited from Prisma Health Mobile Health Clinics in South Carolina. The goal of our study is to increase OUD treatment initiation and retention and maximize prevention of overdose deaths in underserved communities through development, testing, and delivery of a novel intervention targeting areas of optimal allocation of MHC with a Peer Support Specialist (PSS) intervention.