Get Medicare forms for different situations, like filing a claim or appealing a coverage decision. Find Forms. Publications.This form is your application for Medicare Part B (Medical. Insurance). Get the forms you need to sign up for Part B including CMS-40B, CMS-L564, CMS-10797, and CMS-10798. O One (1) copy of the Health insurance Benefits Agreement (Form CMS-1561). â–« NOTE: On the second line of the Health Insurance Benefits Agreement. We will send you an "Annual Notice of Changes" each fall. The ANOC includes any changes in coverage, costs, or service area that will be effective in January. Call (844) 598-9841 to make a payment using our automated phone service. This service is available 24 hours a day, 7 days a week.