Douglas J. Opel, MD, MPH is a general pediatrician and Associate Professor in the Department of Pediatrics at the University of Washington School of Medicine. He is also Associate Director of the Treuman Katz Center for Pediatric Bioethics at the Seattle Children's Research Institute.

Dr. Opel’s research interests include provider-parent communication, medical decision-making, and public health ethics. He has been funded from the NIH since 2011 to identify effective communication strategies for use with parents who are hesitant to accept vaccines for their child. Dr. Opel has published articles on pediatric and bioethical issues in major journals, including New England Journal of Medicine, Pediatrics, JAMA Pediatrics, American Journal of Public Health, British Medical Journal, and Hastings Center Report.