CMS Administrator Seema Verma on Wednesday (July 17) touted the revamped accountable care organization program, which kicked in July 1, for leading more ACOs to take on risk, but the National Association of ACOs is worried that fewer new ACOs appear to be joining the program. CMS finished an overhaul of the Medicare Shared Savings program ACOs in late December . That rule shortened the time that ACOs can participate without the risk of penalties for poor performance, and those...