She graduated from the University of Rochester School of Medicine and trained in internal medicine at Thomas Jefferson University. She then pursued her rheumatology fellowship at Johns Hopkins University and has since been on the faculty working at the Johns Hopkins Scleroderma Center since 2003 where she has been Co-Director of the Center along with Fredrick Wigley. She received her ScM degree through the Graduate Training Program in Clinical Investigation from the Bloomberg School of Public Health in 2010. Dr. Hummers serves as Deputy Director for Clinical Operations for the Division of Rheumatology.