A little clarity, hands-on
Medicare timeline
See the standard age-65 initial enrollment window—with important exceptions.
Month you turn 65
Only the month and year of turning 65 are used. No birth date or personal information is sent to Mave.
Standard age-65 initial enrollment window
March 1, 2027
through
September 30, 2027
This illustrates the three months before, the birthday month, and three months after.
This is not a personalized enrollment deadline or coverage effective-date calculation. Automatic enrollment, disability, ESRD, residence and special enrollment circumstances may alter the process. Verify directly with Medicare.gov. The downloaded calendar file creates a reminder only.
Using this tool
Why does a birthday on the first day of a month change this timeline?
For the standard age-65 Medicare timing illustrated here, the eligibility month shifts to the preceding month. Confirm your actual enrollment dates with Social Security or Medicare.
Does this timeline cover every Medicare enrollment situation?
No. Disability, certain medical conditions, current employment and special enrollment circumstances may follow different rules. The tool illustrates the standard age-65 window.