It is estimated that by next year, about 50% of U.S. doctors will be working for a hospital or hospital-owned health system. A recent survey by the Medical Group Management Association, shows a nearly 75% increase in the number of active doctors employed by hospitals or hospital systems since 2000, reflecting a trend that accelerated around the time that the Affordable Care Act (ACA) was enacted.  Read Scott Gottlieb’s recent opinion piece in the Wall Street Journal about hospital-acquired medical practices.