Reports on a study of physicians in the State of Washington who participated in a Rural Opioid Addiction Management Project on the use of buprenorphine-naloxone in the treatment of opioid use disorders. Study determined the percentage of physicians who prescribed this treatment, the characteristics associated with the prescribing physicians, the number of patients treated, and the barriers found when integrating this treatment into their outreach practice. (Source: Rural publications via the Rural Assistance Center)