Three more hospitals dropped out of the Pioneer ACO program, leaving the long-tange financial vaibility of the program in doubt. The organizations that plan to exit include Michigan's Genesys PHO, Indiana's Franciscan Alliance and Pennsylvania's Renaissance Health Network. Altogether, 13 of the original 32 organizations have dropped out, citing financial difficulties. However, the Centers for Medicare & Medicaid Services announced that the Pioneer and Shared Savings ACO programs have saved more than $372 million to date. Read the full article at FierceHealthcare