Turning 65 Medicare: When to Sign Up for Medigap Plans

Turning 65 is a common time to become eligible for Medicare. Original Medicare has Part A, which generally helps with hospital care, and Part B, which generally helps with doctor visits and outpatient care. Many people enroll around their 65th birthday, but your situation may differ.

Medigap is a type of private insurance that may help pay some costs Original Medicare does not, such as certain coinsurance and deductibles. Medigap plans are standardized by letter. Plans A, B, D, G, K, L, M and N (and high-deductible Plan G) are sold to people newly eligible for Medicare. Plans C and F (and high-deductible F) are available only to people who became eligible before January 1, 2020. Plans E, H, I and J were discontinued and are not sold today, so Plan H is not available. Massachusetts, Minnesota and Wisconsin standardize Medigap differently.

The Medigap open enrollment period is a limited window, usually tied to when you are 65 or older and enrolled in Part B. During it, carriers generally cannot use your health history to decide whether to accept you. Because the window is limited, many people learn about it only after the timing matters. Rules vary by state and change over time, so confirm current details with Medicare.gov, your State Health Insurance Assistance Program (SHIP), or a licensed agent.

Traditionally, people have started by learning when their Medicare eligibility begins and when they can sign up for Part A and Part B. Many look at their own work and health coverage situation, since having coverage through an employer can change the timing for some people.

Next, many people decide between two broad paths. One is Original Medicare with a Medigap plan and a separate Part D drug plan. The other is Medicare Advantage, which bundles coverage through a private plan. Each has strengths. Medigap generally lets you see any provider nationwide who accepts Medicare, with no network or referrals, and offers predictable cost-sharing. Trade-offs may include generally higher monthly premiums, a separate drug plan, and no routine dental, vision or hearing coverage. Medicare Advantage often has lower premiums, an annual out-of-pocket maximum, extra benefits and drug coverage in many plans. Trade-offs may include networks, prior authorization and copays.

If Medigap is the choice, people have traditionally compared plan letters, looked at carriers licensed in their state, and applied during their open enrollment window. Others use Medicare.gov tools or call their SHIP for free counseling. All of these are reasonable ways to learn.

The right Medigap agent may help you understand how your Part A and Part B dates connect to your Medigap open enrollment period. A conversation may help you see which dates matter for your situation and what to confirm with official sources.

A first conversation is generally a chance to talk through your doctors, how you like to receive care, your budget comfort and your travel habits. A Medigap agent may explain how the standardized plan letters differ and which are available to you. They may also walk through what a first Medigap application asks.

Helpful questions to ask: Which carriers sell medigap plans in my state? How does my open enrollment period work here? What happens if I miss it? How would I add a drug plan? Does any special state rule apply to me? Call 1-800-MEDIGAP for more information.