Sean Leng, MD, PhD Professor of Medicine, Johns Hopkins University School of Medicine Email Sleng1@jhmi.edu Department Assignment Adjunct Member, Rutgers Institute for Health, Health Care Policy and Aging Research On This page Sean Leng, MD, PhD Jump to.. Sean Leng, MD, PhD Share Facebook Twitter LinkedIn Reddit Whatsapp Email Print Sean Leng, MD, PhD Professor of Medicine, Johns Hopkins University School of Medicine Adjunct Member, Rutgers Institute for Health, Health Care Policy and Aging Research