She is a health services researcher and practicing family physician with a passion for adolescent health, specifically, breaking the cycle of poverty and poor health among adolescent mothers and their children. Her research is focused on improving access to reproductive health care and promoting healthy pregnancy weight gain among at-risk adolescents. Dr. Chang served as co-chief resident in the Department of Family Medicine at the University of Michigan and is an alumna of the University of Michigan Robert Wood Johnson Foundation Clinical Scholars program. She serves on the board of directions of the North American Primary Care Research Group and the Society of Teachers of Family Medicine, where she serves as the chairperson of the Research Committee.