If you’ve recently become eligible to enroll in a sponsored AT&T Medicare Advantage Plan for null, you can complete the information below to get your online enrollment started. Your personal information needs to match the information your former employer or plan sponsor has on file for you. If you’re already enrolled in the plan, you don’t need to do anything. All fields marked with * are required.
When you enter your Medicare number below, your Medicare eligibility will be verified using data from the Centers for Medicare & Medicaid Services (CMS). If you are not currently eligible for Medicare, your application may be denied.
(#XX#-XX#-XX##)
If we know your Medicare Part A or Part B effective dates, we will pre-fill these fields. Please enter or verify the dates your Medicare Part A or Part B coverage went into effect. Note: your effective dates will always be the first of a month.