You’re approaching 65, and Medicare decisions can’t wait. Miss your enrollment window, and you’ll face penalties that last forever. Your current insurance might not work the way you think it will. Original Medicare or Medicare Advantage? Medigap or no supplement? Part D choices alone could save you thousands. Before you make costly mistakes, you need to know exactly what to do and when.

Understanding Your Initial Enrollment Period and Key Deadlines

When you first become eligible for Medicare, you’ll have a seven-month window to enroll. This Initial Enrollment Period starts three months before your 65th birthday month. It includes your birthday month and ends three months after.

You’ll face penalties if you miss this deadline. Part B premiums increase 10% for each year you delay. Part D has its own penalty too.

Mark your calendar now. Sign up during the first three months for coverage to start on your birthday. Don’t wait. Late enrollment means waiting for coverage and paying more forever.

Evaluating Your Current Health Insurance Coverage Before Medicare

Before you switch to Medicare, you’ll need to review what health insurance you already have. Check if you’re covered through work, a spouse’s plan, or private insurance. Look at your current benefits and costs. Find out what happens when you enroll in Medicare. Some employer plans work with Medicare. Others don’t. You might lose coverage if you sign up at the wrong time. Call your benefits office. Ask about coordination rules. Get everything in writing. Compare your current premiums, deductibles, and copays to Medicare’s costs. This helps you make the best choice.

Deciding Between Original Medicare and Medicare Advantage Plans

Now that you’ve looked at your current coverage, you’ll face a big decision: Original Medicare or Medicare Advantage. Original Medicare includes Part A (hospital) and Part B (medical). You’ll pick your doctors and hospitals. You’ll need separate Part D for drugs. Medicare Advantage bundles everything. These plans often include dental, vision, and hearing. But you’ll use their network of doctors. Compare costs carefully. Check if your doctors accept the plan. Think about your health needs. Consider where you travel. Both options have pros and cons. Take time to understand what works best for you.

Selecting the Right Medicare Supplement (Medigap) Policy

If you choose Original Medicare, you’ll want to contemplate a Medigap policy. These plans help pay costs Original Medicare doesn’t cover. You’ll have deductibles, copays, and coinsurance without one.

Compare the ten standardized Medigap plans (A through N). Each offers different benefits. Plan G is the most popular choice for newly eligible beneficiaries. Plan F was eliminated for new enrollees after January 1, 2020, but remains available if you were eligible for Medicare before that date. Consider your health needs and budget.

You can’t have both Medigap and Medicare Advantage. Pick one path. Also, you’ve got six months after enrolling in Part B to buy Medigap without health questions. Don’t miss this window. After that, insurers can deny coverage.

Choosing Your Medicare Part D Prescription Drug Coverage

Why pay full price for medications when Part D can help? You’ll need prescription drug coverage. Compare Part D plans in your area. Check if your medications are covered. Look at each plan’s formulary. Calculate your total yearly costs. Consider monthly premiums, deductibles, and copays. Some plans have coverage gaps. Others don’t. Use Medicare’s Plan Finder tool online. Enter your prescriptions. See real costs side by side. Pick the plan that covers your drugs at the lowest price. You can change plans during open enrollment. Don’t wait. High drug costs add up fast without coverage.

Avoiding Common Enrollment Mistakes and Lifetime Penalties

Missing your initial enrollment period costs you money forever. You’ll pay a 10% penalty for each year you delay Part B enrollment. That penalty never goes away. Part D has its own late penalty too. It’s 1% of the national average premium for each month you’re without coverage. Don’t forget to disenroll from your employer’s plan properly. Some people accidentally keep both coverages and pay double. Mark your calendar now. Set multiple reminders. Ask someone to help you remember deadlines. These mistakes are expensive and permanent. Take enrollment seriously.