This institution, the birthplace of President George W. Bush, is the 944-bed flagship of three-hospital Yale-New Haven Health System, which commands a 20.5 percent market share for the whole state. It has a medical staff of 2,200 physicians and more than 500 residents and fellows training in more than 100 specialties and subspecialties and provides services to more than 503,000 outpatients a year. Among other distinctions, Yale-New Haven received the Connecticut Hospital Association’s 2010 award for excellence in the delivery of healthcare through the use of data.