This information is to help you apply for the Qualified Medicare Beneficiary (QMB), Specified Low-Income. Get the forms you need to sign up for Part B including CMS-40B, CMS-L564, CMS-10797, and CMS-10798.Submit a copy of one of the following documents. Certificate of coverage or letter from the health plan issuer showing the end date of coverage. If you're billed for Medicare Part B, you can use this form to enroll in the Medicare Premium Deduction Service in which. For questions about billing, your claims, medical records, or expenses, log into your secure Medicare account, or call us at 1-800-MEDICARE. Get Medicare forms for different situations, like filing a claim or appealing a coverage decision. Find Forms. Publications. Please fill out claim form as instructed. Missing information will delay the processing of your claim.