Medicare Supplement Open Enrollment: How to Sign Up or Switch Plans
Article Excerpt: "...Medicare Supplement Insurance, or Medigap, is health insurance that covers “gaps” in Medicare Part A and Part B coverage. Although you use your Medigap policy with Original Medicare, Medigap has its own rules for when and how you can sign up.
The Medigap open enrollment period is the easiest and least expensive opportunity to enroll in Medicare Supplement Insurance. If you miss your Medigap open enrollment period, you might end up spending much more for Medicare Supplement Insurance or even be unable to buy a plan. ...
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Resource: www.nerdwallet.com