Medicare Enrollment Timeline

See exactly when your personal Medicare enrollment windows open and close, and which deadlines matter for keeping TRICARE For Life.

Answers the question: "When do I need to enroll in Medicare?"

Your situation

All fields are educational. Nothing is stored or sent anywhere.

Birth monthBirth year

A few yes/no questionsI'm already collecting Social Security retirement benefitsI (or my spouse) am still actively workingThat work provides current employer group health coverage (20+ employees) — TRICARE doesn't count hereI plan to keep TRICARE For Life at age 65

Other planning tools

Continue your planning journey. Every tool is educational — no enrollment required.

IRMAA & Part B CalculatorEstimate your Medicare Part B premium, any IRMAA surcharge based on your income, and the net cost after a Medicare Advantage Part B giveback.Available now
Readiness ChecklistA personalized planning assessment that helps you understand which Medicare and TRICARE For Life planning steps you've already completed — and which ones may be worth reviewing next.Available now
Annual Cost EstimateAdd up your expected yearly Medicare costs — premiums, IRMAA, deductibles, and typical TFL cost-shares — based on your situation.Available now
TFL Cost EstimatorSee how Medicare and TRICARE For Life split the bill for common services — primary care, specialists, ER, hospital stays, imaging, and more.Available now

Every tool cites official CMS, SSA, and Defense Health Agency sources where applicable.