CGHE members span the University of Michigan and the globe, including faculty experts, research collaborators, scholars, and community partners. Search for Members with Keywords, Sponsors, Locations, or Categories + John Ayanian, MD, MPP Access to care, quality of care, and health outcomes Thomas (Tom) Buchmueller, PhD Health insurance, public policy Rodica Busui (Pop-Busui), MD, PhD Chronic complications associated with diabetes Gary Freed, MD, MPH Healthcare delivery and quality improvement Prashant Mahajan, MD, MPH, MBA Emergency care access by building robust healthcare delivery systems