Medicare Part D Eligibility

Last Updated March 13, 2024

Medicare Part D Eligibility

Medicare Part D is a prescription drug coverage plan that is available to Medicare beneficiaries. This plan helps to cover the cost of prescription drugs that are not covered under Medicare Part A and Part B. In order to be eligible for Medicare Part D, you must be enrolled in Medicare Part A and/or Part B and be a resident of the United States.

There are a few different ways to qualify for Medicare Part D. One way is to automatically qualify based on your enrollment in other Medicare plans. For example, if you are enrolled in Medicare Part A and/or Part B, you will automatically be enrolled in Medicare Part D.

Another way to qualify for Medicare Part D is to join a Medicare Advantage Plan (also known as Medicare Part C) that includes prescription drug coverage. If you enroll in a Medicare Advantage Plan that includes Part D coverage, you will automatically be enrolled in Medicare Part D.

You can also qualify for Medicare Part D if you have a disability or if you have End-Stage Renal Disease (ESRD). If you have a disability, you may be eligible for Medicare Part D if you receive Social Security Disability Insurance (SSDI) or Railroad Retirement Board (RRB) benefits. If you have ESRD, you may be eligible for Medicare Part D if you are on dialysis or have received a kidney transplant.

In addition to these automatic enrollment options, you can also enroll in Medicare Part D during specific enrollment periods. The initial enrollment period for Medicare Part D begins three months before the month you turn 65 and ends three months after the month you turn 65. If you miss this initial enrollment period, you can enroll in Medicare Part D during the annual enrollment period, which runs from October 15 to December 7 each year.

If you are not automatically enrolled in Medicare Part D and you do not enroll during the initial or annual enrollment periods, you may have to pay a late enrollment penalty. This penalty is added to your monthly Part D premium and is calculated based on the number of months you were eligible for Part D but did not enroll.

It's important to note that not all prescription drugs are covered under Medicare Part D. The plan covers most commonly prescribed drugs, but there may be some drugs that are not covered. In addition, some drugs may be subject to a higher copayment or coinsurance.