Medicare Basics
MEDICARE PART D
Prescription Drug Coverage
Medicare Part D is optional prescription drug coverage offered by private insurance companies approved by Medicare. It helps cover the cost of prescription drugs and can be added to Original Medicare or some Medicare Cost Plans.
What It Covers
- ✓ Brand-name prescription drugs
- ✓ Generic prescription medications
- ✓ Vaccines covered under Part D
- ✓ Insulin and diabetes supplies (in some plans)
- ✓ Specialty drugs (cancer treatments, biologics)
✕ What It Doesn't Cover
- ✕ Drugs not on the plan's formulary
- ✕ Over-the-counter medications
- ✕ Drugs covered under Part A or Part B
- ✕ Vitamins and supplements
- ✕ Weight loss drugs
💰 Cost Overview
Premiums vary by plan. The 2026 maximum out-of-pocket cap is $2,000 for covered drugs. If you don't enroll when first eligible, you may pay a late enrollment penalty.
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