2027 prescription drug coverage
Medicare Part D Prescription Drug Plans for 2027
Compare 2027 Medicare Part D plans by formulary, pharmacy network, drug restrictions and total annual cost, not premium alone.
2027 Part D cost parameters
For 2027, the standard Part D deductible is $700 and the annual out-of-pocket threshold is $2,400. Individual plan premiums, deductibles, copays, coinsurance and formularies vary.
What to compare before choosing a Part D plan
- Whether each prescription is on the plan formulary and on which tier.
- Preferred and standard pharmacy networks, including mail order when relevant.
- Prior authorization, step therapy and quantity limits.
- Estimated total annual drug cost, not only monthly premium.
- Whether your Medicare Advantage plan already includes Part D coverage.
When can you change Part D coverage?
For 2027 coverage, Annual Enrollment runs October 15 through December 7, 2026. Other Special Enrollment Periods may apply depending on your circumstances.
Can a low-premium Part D plan still cost more overall?
Yes. Drug tiers, pharmacy network status, deductibles and coinsurance can materially affect total annual cost.
Can formularies change each year?
Yes. Review the plan’s current formulary and Annual Notice of Change before the new plan year.
Compare 2027 Part D plans
Get no-cost licensed agent/broker help comparing represented drug plans based on your prescriptions and preferred pharmacies.