Dr. Bruce Leff is a professor of medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in the health policy and management department at the Johns Hopkins Bloomberg School of Public Health.  His research focuses on novel models of care delivery for older adults, multi-morbidity, risk prediction, and quality improvement, with an emphasis on home-based models of care, including Hospital at Home and home-based primary care. He is the Co-Lead of the Hospital at Home Users Group and also the National Home-Based Primary Care Learning Network. In addition, his research interests extend to issues related to multi-morbidity, performance measurement, and case-mix issues.  He is strongly interested in health policy issues and has served on multiple technical expert panels for the Centers for Medicare and Medicaid Services.   

Dr. Leff cares for patients in the acute, ambulatory and home settings and is an award-winning teacher and mentor. He is past Chair of the Geriatric Medicine Board of the American Board of Internal Medicine (ABIM) and ABIM Council and past-President of the American Academy of Home Care Physicians. He is past-member of the editorial board of the Annals of Internal Medicine and currently serves on the Board of Trustees of the American Board of Internal Medicine Foundation.

Dr. Leff received his BA from the University of Pennsylvania in 1983 and his MD from New York University in 1987.  After residency and fellowship training at Johns Hopkins, he served as a medical officer in the US Army in Seoul, Korea, before joining the faculty in the Department of Medicine in 1994.