How Does Medicare Part D Work?
- Cassidy Clark
- Feb 16
- 2 min read
Medicare Part D helps cover the cost of prescription medications. These plans are offered by private insurance companies and can vary widely in coverage and cost.
Medicare Part D plans include:
A formulary, or list of covered medications
A pharmacy network, which may include preferred pharmacies
Copays or coinsurance that vary by medication tier
Important things to know about Part D:
Not all medications are covered the same way
Drug costs and formularies can change from year to year
There is an annual out-of-pocket limit for prescription drug costs ($2,100 for 2026)
Choosing the right plan depends on your medications, pharmacy preference, and budget
Enrolling On-Time Matters
It is important to enroll in Medicare Part D on time to avoid late penalty fees; your SGIA Benefit Consultant can assist you in enrolling and ensure you are on time. If you don’t sign up for Medicare Part D when you’re first eligible and you go more than 63 days without any drug coverage that’s considered “creditable” (such as coverage from an employer), you may have to pay a late enrollment penalty.
This penalty is added to your Part D monthly premium and usually lasts for as long as you have Part D coverage. The amount increases based on how long you waited to enroll and can change each year. Enrolling on time or having other qualifying drug coverage can help you avoid this extra cost. To learn more, here is an article explaining Part D penalty fees.
Reviewing your Part D plan each year and ensuring you are enrolled in a plan on time can help prevent unexpected prescription costs. An SGIA Benefit Consultant can help review your current plan, get you enrolled, and see if it still meets your needs.
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