Alexander Y. Walley MD, MSc

Dr. Alexander Y. Walley, MD, MSc, is Professor of Medicine and an addiction expert at Boston Medical Center and Chobanian and Avedisian School of Medicine, focused on the medical complications of substance use, specifically HIV and overdose. Dr. Walley has conducted multiple studies related to the opioid crisis and the integration of addiction specialty care and general medical care. He has served as PI on a CDC-SAMHSA-Epi-AID investigation of the surge in fentanyl-related overdose, a CDC-funded study of the Massachusetts community naloxone program, which demonstrated community-level reductions in overdose death rates, and a SAMHSA-funded program that integrated addiction treatment into the clinical care of people with/at risk for HIV. He is the principal investigator for CDC and NIH-funded studies of community overdose interventions. For the NIH-funded HEALing Communities Study - Massachusetts, he served as the Care Continuum Core Director, 2019-2025. He has worked as Co-I with addiction, overdose, and HIV expertise on NIDA and NIAAA-funded clinical trials and cohort studies.

Dr. Walley is a founding director of the Grayken Addiction Medicine Fellowship. From 2011 to 2022, 20 addiction specialists graduated, 6 of whom serve as directors for addiction medicine fellowships, 13 are faculty at medical schools, and 9 are at Boston University School of Medicine. He was a founding board member and treasurer of the Addiction Medicine Fellowship Directors’ Association, 2016-2019, and American College of Academic Addiction Medicine (ACAAM) starting in 2019. He is currently the president of ACAAM for 2023-2025. With his mentor, Dr. Jeffrey Samet, he is a multi-PI on the NIDA-funded R25 Clinical Addiction Research and Education Program, which supports the Chief Resident and Fellow Immersion Training and the CARE Faculty Scholar programs.

Dr. Walley provides primary care and addiction medicine consultations in the HIV primary care clinic at Chobanian and Avedisian School of Medicine/BMC. He founded BMC’s inpatient Addiction Consult Service in 2015 and the Faster Paths low-barrier access substance use clinic in 2016. He previously was a site medical director for opioid treatment programs in Boston from 2007 to 2016. He serves as the medical director for the Massachusetts Department of Public Health’s Bureau of Substance Addiction Services, the Overdose Prevention Program, and the SafeSpot Overdose Prevention Hotline. Since 2007, the MDPH program has trained and equipped over 100,000 people in Massachusetts’s communities with naloxone rescue kits, including people at-risk for overdose and their social networks.