Medicare Part D
What the Part D $2,100 cap means in Southaven
SOUTHAVEN, Miss. — Starting Jan. 1, 2026, Medicare Part D will look different than it ever has. For the first time, there will be a firm ceiling on what you pay out of pocket for covered prescription drugs in a calendar year: $2,100. The old "donut hole" is gone. And if a big pharmacy bill still worries you, there's a new way to spread those costs across the year.
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Speak to a Licensed Insurance Agent
Click to call 855-729-3240Key takeaways
- Starting Jan. 1, 2026, Medicare Part D will have a firm yearly cap of $2,100 on out-of-pocket costs for covered prescription drugs, and the old "donut hole" coverage gap is gone.
- Once you hit that $2,100 cap, you pay $0 for covered drugs for the rest of the year, whether you have a stand-alone Part D plan or a Medicare Advantage plan with drug coverage.
- A new optional program, the Medicare Prescription Payment Plan, lets you spread your yearly drug costs into monthly bills from your plan instead of paying it all at the pharmacy, though your total cost stays the same.
- The Annual Enrollment Period runs Oct. 15 through Dec. 7, and any plan changes made during this time take effect Jan. 1, 2026.
Here's a plain-language look at what's changing, and how DeSoto County residents can think it through during this fall's Annual Enrollment Period.
The $2,100 cap, explained
Under the 2026 Part D rules from CMS, once your out-of-pocket spending on covered prescription drugs reaches $2,100 in a year, you pay $0 for the rest of the year on those covered drugs. That cap applies whether your drug coverage comes through a stand-alone Part D plan or a Medicare Advantage plan that includes drug coverage.
A few things to keep in mind:
- The $2,100 counts your deductible, copays, and coinsurance for covered drugs.
- Monthly premiums do not count toward the cap.
- Drugs your plan doesn't cover don't count either — which is why checking a plan's formulary matters.
- The Part D deductible can be up to $615 in 2026, depending on the plan.
For anyone in Southaven who takes expensive brand-name or specialty medications, this is the biggest structural change to Part D in nearly 20 years.
Goodbye, donut hole
If you've been on Medicare for a while, you probably remember the "coverage gap" — the middle stretch where costs spiked after your plan hit a spending limit. That phase was eliminated in 2025. Part D now has just three phases:
1. Deductible (if your plan has one, up to $615) 2. Initial coverage — you pay a share until you hit the $2,100 cap 3. Catastrophic coverage — you pay $0 for covered drugs the rest of the year
Simpler math, and a clearer finish line.
The Medicare Prescription Payment Plan
Even with the cap, hitting $2,100 in Januar