stand-alone prescription drug plan

What is a stand-alone prescription drug plan?

A stand-alone prescription drug plan is another term for a Part D prescription drug plan (PDP).

A PDP is often referred to as a “stand-alone prescription drug plan” because it is separate prescription drug coverage that Medicare beneficiaries can purchase – through private insurers – usually to supplement Original Medicare.

Most Medicare Advantage plans include Part D benefits and that type of coverage is know as a Medicare Advantage prescription drug plan (MAPD).

As of 2019, about 46 percent of Part D enrollees were enrolled in a PDP while another 39 percent had an MAPD.

Read our overview of Medicare Part D prescription drug coverage.

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