Mississippi was the third worst state in Medicare waste per beneficiary in fiscal 2014, according to the Council for Medicare Integrity. Overpayments in Medicare parts A and B for Mississippi totaled $55,048,689.18, ranking behind only the District of Columbia, which was the worst, and Arkansas. Nationwide, hospitals accounted for $29.6 billion of a total of $46 billion in overpayments for fiscal 2014, according to the council.