How Long Does Medicare Donut Hole Last. How has the donut hole coverage gap changed? This is also known as the coverage gap.
Remember, not everyone will enter into the “donut hole.”. The coverage gap has a beginning amount and an end amount, although the amounts may change from year to year. You reach the medicare part d 'donut hole' for 2022 when you and your plan have paid $4,430 on your drugs.