There are many factors to consider when comparing Medigap plans, from monthly premium to pre-existing condition waiting periods.

Medicare is a fee-for-service health insurance program for aging individuals. It comes with an alphabet soup of parts that offer different types of coverage and benefits. But Medicare has its challenges—including many holes that simply aren’t covered at all. To fill those gaps, consider enrolling in a Medicare Advantage or a Medicare Supplement plan. To help you make an informed decision and weigh the pros and cons of each option, we’ve gathered unbiased expert insights and research on coverage, cost, convenience and choice.