There is little debate that health care in the United States is in need of reform. But where should those improvements begin? With insurers? Drug makers? The doctors themselves? In Big Med, David Dranove and Lawton Robert Burns argue that we¿re overlooking the most ubiquitous cause of our costly and underperforming system: megaproviders, the expansive health care organizations that have become the face of American medicine. Your local hospital is likely part of one. Your doctors, too. And the megaproviders are bad news for your health and your wallet. Drawing on decades of combined expertise in health care consolidation, Dranove and Burns trace Big Med¿s emergence in the 1990s, followed by its swift rise amid false promises of scale economies and organizational collaboration. In the decades since, megaproviders have gobbled up market share and turned independent physicians into salaried employees of big bureaucracies, while delivering on none of their early promises. For patients this