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). Authorization to Disclose Personal Health Information" Form. The proper name for a Medicare claim form is a CMS1500 Form. Usually, you can find this form on your carrier's website. CMS. This application can be used to apply for Medicaid, the. Family Planning Benefit Program, or for assistance paying your health insurance premiums. Use this form: • If you're eligible for Social Security benefits but only want to get Medicare. You must at least 64 and 8 months.