The HHS Office of Inspector General reported Tuesday (Aug. 29) that Medicare accountable care organizations saved the program nearly $1 billion over the first three years of the Medicare Shared Savings Program. The report was published as the Trump administration rethinks the role of the innovation center that developed ACOs. The Affordable Care Act relies heavily on ACOs to change the way providers deliver services, but ACOs take years to show results, which opened them to criticism. The Inspector General...