Mark A. Weiner, MD, DFASAM, is board-certified in internal medicine and addiction medicine. Dr. Weiner is the section chief of Addiction Medicine, medical director of Substance Use Disorders, and program director of the Addiction Medicine Fellowship at Trinity Health Ann Arbor Hospital. Additionally, Dr. Weiner is the chair of the planning committee for the American Society of Addiction Medicine course, "Pain and Addiction: Common Threads." Dr. Weiner is medical director at Trinity Health IHA Medical Group, Recovery Medicine - Ann Arbor Campus.