Alandra Mothorpe-Boyle
Senior Health Insurance Specialist

Alandra-Mothorpe-Transparent

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

The donut hole no longer exists in Medicare Part D as of 2025. Previously, beneficiaries would enter a coverage gap after reaching a certain spending limit on prescriptions. In that phase, they paid a larger share of drug costs until reaching catastrophic coverage. Starting in 2025, a new out-of-pocket cap replaced the old donut hole […]

What is a “formulary” in Part D Medicare?

Every Part D plan has a list of covered drugs called a formulary.  Medicare provides insurance companies that sell Part D plans guidelines for the classes of drugs they have to cover but does not always specify the exact drugs that must be included on the formulary. Medicare excludes some drugs from their list of […]

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. […]