“More and more uninsured patients are showing up in hospital emergency rooms and clinics, having lost their coverage under the Affordable Care Act,” the New York Times reports.“Executives running some of the biggest hospital systems, including large for-profit chains spanning many states, expressed concern over the unexpectedly sharp rise in uninsured patients and the costs associated with treating them.”“And many executives said that the hospitals were also reporting more unpaid medical bills and providing more in the way of charity care.”