Choose a medication to check Medicare Part D coverage.
Paying cash instead of using insurance? Check prescription assistance programs.
Frequently Asked Questions
- What does the Medicare Formulary Checker do?
- It shows whether a medication appears on Medicare Part D plan formularies, including its tier and any coverage restrictions, plus covered alternatives in the same class.
- Where does the coverage data come from?
- From the free CMS Medicare Part D quarterly formulary files. When those files aren't loaded, the tool honestly shows no data instead of guessing.
- Is the Formulary Checker free?
- Yes, it's free and requires no login.
This information is educational — not medical advice.
This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.