What does “step therapy” mean in Medicare drug coverage?

Each Medicare Part D plan has a list of covered drugs that are called a formulary.  Within every formulary, there are a set of rules applied to the prescription drugs covered by the plan. One of those rules is called step-therapy.  If you get a prescription for a medication that has step-therapy rules, there is […]

When does “catastrophic coverage” kick in with Medicare Part D coverage?

Starting in 2025, the structure of Medicare Part D changed significantly, and in 2026, catastrophic coverage continues to begin once your out-of-pocket spending on covered prescription drugs reaches $2,000 for the year. This includes what you pay directly and certain payments made on your behalf, such as through the Extra Help program. Once you reach […]

What is the “Doughnut hole” in Part D Medicare coverage, and how does it work?

The Medicare Part D “doughnut hole” was a coverage gap that existed until 2024, where beneficiaries faced higher out-of-pocket costs for prescriptions after reaching certain spending thresholds. During the gap phase, people paid significantly more for their medications until they qualified for catastrophic coverage. The coverage gap was gradually reduced through the Affordable Care Act […]

What is a “formulary” in Part D Medicare?

A formulary is a comprehensive list of prescription drugs covered by each Part D Medicare plan. While Medicare provides guidelines to insurance companies about drug classes that must be covered, it doesn’t specify exact medications that must be included. Some drugs are excluded from Medicare’s required coverage list, but Part D plans can include them […]

What does a Medicare drug formulary with tiers mean?

Every Part D plan has something called a formulary, which is a list of drugs covered under the plan. Each formulary has a set of tiers, and in most cases, Part D plans have between three and six tiers. A lower-tier drug usually has lower copays or coinsurance than a drug in a higher tier. […]