Treating Opioid Misuse Via Mindfulness-Based Just-in-Time Adaptive Intervention

Inclusion Criteria: * Current chronic pain diagnosis determined by physician assessment (including but not limited to ICD-9 diagnoses 338.0, 338.21, 338.22, 338.28, 338.29, 338.4) * Current use of prescription opioid agonist or mixed agonist-antagonist analgesics for \>90 days * Willingness to participate in study interventions and assessments Exclusion Criteria: * Prior experience with Mindfulness-Based Stress Reduction, Mindfulness-Based Cognitive Therapy, or Mindfulness-Based Relapse Prevention * Active suicidality, schizophrenia, psychotic disorder * Presence of clinically unstable systemic illness judged to interfere with treatment * No access to internet (which will prevent telehealth-based treatment)