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Medigap

Guaranteed issue rights: the second chances to buy a Medigap

Your six-month open enrollment period is the well-known door into Medigap. There are others, quieter and time-limited, and using one of them is the difference between buying a supplement at a good rate and being unable to buy one at all.

Figures reviewed for 2026

63 days
Typical deadline to apply
12 months
First-year trial right
No questions
Health underwriting forbidden
Documented
Proof of lost coverage required

The trial right: changing your mind once

If you join a Medicare Advantage plan when you first become eligible at sixty-five, federal law gives you a trial period. Should you leave that plan within the first twelve months, you can return to original Medicare and buy a Medigap policy without answering health questions. It is a genuine escape hatch for people who discover the network does not work for them.

Two details decide whether it applies. The trial right is tied to your first enrollment in an Advantage plan at sixty-five, not to every switch you make later. And it has to be exercised within the deadline after the Advantage coverage ends, usually sixty-three days. Miss it and the protection is gone, not deferred.

Loss of coverage rights

Several situations create a guaranteed issue right because a person lost coverage they did not choose to lose. An employer or retiree plan that stops covering you, a Medicare Advantage plan that leaves your area or ends its contract, an insurer that misled you or went insolvent, or a Medicaid change that ends your dual eligibility can all qualify.

Each carries its own paperwork requirement. You will be asked for a letter of loss, a notice of discontinuation, or a similar document, and the sixty-three day clock generally starts from the date on that letter rather than the date you noticed. Keeping correspondence is boring advice that turns into a lot of money.

What the right does, and what it does not

Under a guaranteed issue right, an insurer cannot ask health questions, cannot decline you for health reasons, and cannot impose a waiting period before your benefits start. That is substantial protection compared with the ordinary application.

It does not set the price, and it does not force every company to sell every plan letter. Insurers still charge their filed rate, which is why the same policy can cost meaningfully more from one carrier to another even under a guarantee. It also does not survive delay, so the useful habit is to call the day the coverage change is confirmed rather than the week after.

Official source

The federal guide behind this page

Medicare publishes its own handbook on this topic. It is linked here so you can check any figure on this page against the source.

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Medigap

Questions people ask about this

Does dropping an Advantage plan always give me a guaranteed issue right?

No. The federal trial right applies to a first Advantage enrollment at sixty-five, exercised within twelve months. After that, leaving an Advantage plan in most states means an ordinary application with health questions, which is the trap people fall into when they switch back and forth.

What if my state has stronger rules?

Several states add their own guaranteed issue situations, including annual birthday windows in a handful of them. We check the state rule before advising anyone, because the federal floor is not the whole story.

Can I buy any Medigap letter during a guaranteed issue period?

You can buy without health questions, but a company may limit which letters it offers to guaranteed issue applicants. In practice Plan A is often the safest bet, with G usually available.

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