What should Mrs. Willis be informed about concerning her rare condition and the coverage of her brand name drugs?

Mrs. Willis should be informed that Medicare plans are required to cover drugs in each therapeutic category because this key provision ensures that beneficiaries have access to necessary medications that are essential for their health. This requirement means that even if a drug is expensive or a brand-name medication, as long as it falls within a specified therapeutic category, it must be covered under her Medicare Part D plan.

This is particularly important for patients like Mrs. Willis who may have rare conditions requiring specific treatments. Understanding that her Medicare plan is mandated to provide access to a range of medications helps her to focus on managing her health without the added concern of whether her essential medicines will be covered. This provision reflects the broader goal of Medicare to support healthcare accessibility for all beneficiaries, ensuring that they receive appropriate treatment for their conditions.