House Ways & Means Chair Kevin Brady (R-TX) and health subcommittee Chair Peter Roskam (R-IL) welcomed CMS' efforts to revamp Medicare accountable care organizations and said they appreciate the agency's proposal to extend current contracts by six months to prevent the mass exit of ACOs -- but they also asked the agency to reconsider reducing shared savings down to 25 percent for those ACOs that don't take on risk. CMS' recent proposal to revamp the Medicare Shared Savings ACO program...