Which of the following is a fact about Medicare Prescription Drug Plans?

Medicare Prescription Drug Plans, or Medicare Part D, are designed to provide prescription drug coverage for individuals who are eligible for Medicare. One key aspect of these plans is that to enroll, beneficiaries must reside within the plan's designated service area. This is crucial because each plan sets specific geographical boundaries within which it operates, ensuring that members have access to the necessary resources and pharmacy networks that the plan offers.

When individuals are selecting a plan, they must confirm their residence aligns with the service area of the plan they choose. If they move outside that area, it may affect their coverage options. Thus, residing within the service area is a fundamental requirement for enrollment in any given Medicare Part D plan.

Other statements, such as the coverage of all drugs or that benefits never vary by plan, are misleading because each plan has its formulary, which outlines the specific medications covered, and benefits can indeed vary significantly from one plan to another. Additionally, Medicare Part D is not considered part of Medicare Supplement Insurance Plans, which are intended to cover gaps in Medicare coverage rather than provide prescription drug benefits.