Nia Jewell Leak, MD

Dr. Allison Hays is a general cardiologist and Medical Director of Echocardiography Programs at the Johns Hopkins Hospital. She is also an assistant professor at the Johns Hopkins University School of Medicine.Dr. Hays graduated from Stanford University with degrees in biology and English. She received her medical training at the Columbia University College of Physicians and Surgeons and did her residency at the New York Presbyterian Hospital at Columbia. Dr. Hays pursued cardiology fellowships at New York University Medical Center and at the Johns Hopkins University School of Medicine.Dr. Hays studies ways to use noninvasive imaging to detect cardiovascular disease. She has advanced multimodality imaging training from Johns Hopkins and attends in the Adult Echocardiography Lab at Johns Hopkins Hospital. In terms of research, she uses Cardiac MRI as a tool to study coronary and systemic endothelial function.

Dr. Knight joined the Division of Hospital Medicine in 2000. She serves as Chief Medical Information Officer and chair of the Pharmacy & Therapeutics Committee for Johns Hopkins Bayview Medical Center. For Johns Hopkins Medicine she is co-chair of the Clinical Decision Support, Order Set Review and Epic Inpatient Design committees, and Medical Informatics Director of Clinical Communication. She is a Fellow of the American Medical Informatics Association, and was chair of AMIA’s Clinical Decision Support Working Group from 2023-24. In 2024 she won the Award for Support of Clinical Excellence from the Johns Hopkins Medicine Miller Coulson Academy of Clinical Excellence.