Which form is necessary to apply for Medicare via mail?

The necessary form to apply for Medicare via mail is Form 2728. This form is specifically designed for individuals to initiate their application for Medicare benefits, particularly for those who are eligible based on age or disability. It collects essential information needed for enrollment, ensuring that the application process follows regulatory requirements.

The other forms listed serve different purposes. Form 1040 is an individual income tax return form used mainly for reporting personal income to the IRS. Form W-2 is related to wage and tax reporting, provided by employers to employees, summarizing income and withholdings. Form 1099 is utilized to report various types of income other than wages, salaries, and tips. Therefore, these forms are not suitable for Medicare applications and do not fulfill the requirements necessary for enrollment in the Medicare program.