2026 Part D
Part D cost tools
Estimate how covered drug spending can hit the $2,100 annual out-of-pocket cap, then see how the Medicare Prescription Payment Plan could spread remaining costs across the year.
Last updated Jul 11, 2026
Part D out-of-pocket helper (2026)
Illustrate how covered drug spending can move through deductible → initial coverage → the $2,100 annual out-of-pocket cap. Premiums and IRMAA do not count toward the cap.
Total pharmacy price before plan payment — not your copay alone.
Enter $0 if your plan has no deductible.
Estimated beneficiary drug OOP
$1,661.25
Below the $2,100 annual cap in this simplified model.
- Deductible$615
You pay 100% of covered drug costs until the plan deductible is met (if any).
- Initial coverage$1,046.25
Illustrative 25% coinsurance on covered drugs until you reach the annual out-of-pocket cap.
- Catastrophic$0
You do not reach the $2,100 cap at this spending level in the simplified model.
Recommended next step
See if the Prescription Payment Plan helps cash flow
Spreading costs does not lower your total — but it can make large pharmacy months easier to budget.
Educational model only. Real plans use drug tiers, preferred pharmacies, and copays — not a flat 25% on every drug. Extra Help and manufacturer discounts change what counts toward the cap. Figures for calendar year 2026. Confirm on Medicare.gov / SSA before relying on them.
Medicare Prescription Payment Plan smoother
See how spreading remaining Part D out-of-pocket costs across the rest of the calendar year could look. MPPP does not lower your total drug costs — it changes when you pay.
Often what you still expect to pay toward the $2,100 annual cap (not premiums).
Illustrative monthly bill
~$300 / month
$1,800 spread over 6 months (plan bills may differ slightly from this equal split).
| Month | Estimated payment |
|---|---|
| July | $300 |
| August | $300 |
| September | $300 |
| October | $300 |
| November | $300 |
| December | $300 |
Recommended next step
Opt in through your drug plan if this helps
Ask your Part D or Medicare Advantage plan how to join the Medicare Prescription Payment Plan. We can also walk through whether it fits your pharmacy pattern.
Opt in through your Part D or Medicare Advantage plan (or pharmacy, depending on process). Official monthly caps use CMS formulas that adjust when new charges post — this equal-split chart is for budgeting intuition only. Figures for calendar year 2026. Confirm on Medicare.gov / SSA before relying on them.
Related guides
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