Dr. Chang is a Research Scientist Associate at the Advocate Aurora Research Institute and her health services-focused research focuses on evaluating quality and access to care in the US healthcare delivery system with a particular focus on understanding access and use of telemedicine among vulnerable populations. She has a broad background in health policy and management, with specific training and expertise in the fields of health services research, health disparities, systematic reviews, and secondary data analysis. Dr. Chang has been the principal investigator, co-investigator, or task lead on a range of grants and contracts funded by federal, state, international, and private organizations. Previously, she was a health services researcher at RTI International. She was an investigator for several mixed-methods implementation and evaluation projects involving new models of health care delivery and payment for the Center for Medicare & Medicaid Innovation. She was also an investigator with the RTI–University of North Carolina (UNC) Evidence-based Practice Center, where she conducted systematic evidence reviews.

Dr. Chang holds a PhD in health policy and management from Johns Hopkins Bloomberg School of Public Health, an MPH from Yale School of Public Health, and a BA from the University of California, Berkeley.