The Center for Healthcare Outcomes & Policy (CHOP) at the Institute for Healthcare Policy and Innovation at the University of Michigan aims to improve the efficiency of healthcare in the United States, by optimizing clinical practice and informing health policy. Based at the new North Campus Research Complex, CHOP is a consortium of over 100 faculty and staff, including clinician scientists, economists, biostatisticians, epidemiologists and other social scientists from the U-M Medical School and School of Public Health.