All Medicare enrollees have an annual opportunity, called the AEP, or Annual Election Period, to review and adjust their Medicare coverage. Many enrollees think that this applies to their Medicare Supplement Plan (AKA Medigap), but this enrollment period doesn’t allow you to change to a Medicare Supplement (Medigap) without medical underwriting (medical underwriting is where the insurance company looks at your health to decide whether they will allow you into their plan). Birth Month, Opportunity, Medical