Mr. Barker enjoys a comfortable retirement income. He recently had surgery and expected that he would have certain services and items covered by the plan with minimal out-of-pocket costs because his MA-PD coverage has been very good. However, when he received the bill, he was surprised to see large charges in excess of his maximum out-of-pocket limit that included some services and items he thought would be fully covered. He called you to ask what he could do? What could you tell him?