Digital Treatment for Chronic Pain and Addiction in Veterans With Opioid Use Disorder Receiving Buprenorphine

Inclusion Criteria: * an ICD-11 OUD diagnosis in the VHA electronic health record (EHR) * receipt of buprenorphine from outpatient addiction clinic with stable (i.e., unchanged in 2 weeks or since last injection) dose confirmed by the prescribing clinician. Both oral and injectable buprenorphine formulations will be eligible with dose stabilization required to isolate chronic pain from withdrawal-related pain associated with non-therapeutic dose * presence of musculoskeletal pain that is bothersome or high-impact per the Graded Pain Scale - Revised * access to a web-connected device to complete daily surveys and connect to IMPACT treatment site * ability to participate safely in the walking portion of the intervention as evidenced by patient-reported ability to walk at least one block Exclusion Criteria: * dementia-related EHR diagnosis * participant-reported vision or hearing impairments that would preclude use of the IMPACT system * legal actions that would make study completion unlikely * current or past 12 month engagement in CBT for chronic pain treatment * planned surgical intervention for pain * physical or mental health conditions that would interfere with ability to meaningful engage in IMPACT and MOUD treatment (e.g., uncontrolled bipolar disorder, active suicidal ideation, receipt of hospice or end-of-life palliative care)