Overview of Research Plan. Patients who are HIV positive and who are receiving methadone maintenance for opioid dependence will be randomized to treatment with either: (1) CBT, a combination of CBT for depression and HIV medication adherence, including a single session intervention for HIV medication adherence (Life-Steps, Safren et al., 2001) in conjunction with physician feedback regarding baseline study assessments or (2) the single session intervention for HIV medication adherence (Life-Steps, Safren et al., 2001) in conjunction with physician feedback regarding baseline study assessments. Participants will be followed for one-year post-randomization.