Barbara J Turner, MD, MSEd, is Professor of Medicine and Director of the Physician-Scientist Fellowship in General Internal Medicine at the University of Pennsylvania School of Medicine. She directs the Physician-Scientist Fellowship for General Internal Medicine and Pediatrics. At the University of Pennsylvania, she is also a senior fellow of the Leonard Davis Institute, a member of the Cancer Center, and an associate member of the Center for Clinical Epidemiology and Biostatistics. She has over 100 peer-reviewed publications and serves as an associate editor of the Annals of Internal Medicine. She has substantial experience in research on using administrative databases and pharmacy claims data to evaluate care. Her primary fields of interest relate to disease prevention and adherence to care in regard to vascular disease, HIV, and colon cancer.