There is no universally best Part D plan for 2026. The right plan depends on your drugs. Here is how to find the one that costs you the least.
How do you find the best Part D plan for you?
Start with your medication list, then compare plans on total annual cost — premium, deductible, and copays combined — not just the monthly premium. A $0-premium plan can be the most expensive choice if your drugs sit on high tiers or face restrictions. Confirm your pharmacy is in-network and that each drug is on the formulary without prior authorization hurdles. Check the plan's star rating for service quality. Because the cheapest plan is personal to your prescriptions, the smartest move is a free side-by-side comparison. Our licensed agents at 1-800-MEDIGAP do exactly that.
What should you watch out for?
Avoid choosing by premium alone or by brand familiarity. Watch for high specialty-drug coinsurance, prior authorization and step therapy requirements, restrictive pharmacy networks, and formulary exclusions of your medications. Also confirm whether mail-order pricing beats retail for your drugs. Plans change every year, so even a great 2025 plan may not be your best 2026 option. The Annual Enrollment Period (Oct 15–Dec 7) is the time to compare. To avoid costly surprises, call 1-800-MEDIGAP and let a licensed agent match a plan to your exact medications.