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 Amy Huang, MD Cardiovascular medicine, international collaboration Matthias Kretzler, MD Enhancing health for kidney disease treatment Paul Lee, MD, JD Quality of care, health care utilization and policy Prashant Mahajan, MD, MPH, MBA Emergency care access by building robust healthcare delivery systems Robert (Bob) Neumar, MD, PhD Improve access to quality emergency medical care Gretchen Piatt, PhD, MPH Chronic disease self-management, support, and care delivery