Medicare Part D

$2,400 Part D Ceiling for Spring, TX in 2027

SPRING, Texas — If you take prescription drugs and have Medicare, 2027 brings a change worth understanding. The yearly limit on what you pay out of pocket for covered drugs under Part D moves to $2,400. Once you hit that number, you pay $0 for the rest of the calendar year on covered prescriptions.

That's a meaningful shift for people in Spring who take costly medications. Below is a plain-language walk-through of how Part D will work in 2027 — the deductible, the three payment phases, and a few tools that can help you plan.

Part D in Spring: what's available locally

Spring is in Harris County, where Medicare beneficiaries can choose from a wide selection of stand-alone Part D drug plans and Medicare Advantage plans that include drug coverage. Plan availability is set at the county level, not the city level, so every neighbor in Harris County sees the same menu of options during enrollment.

What matters most isn't how many plans exist — it's whether a given plan covers your drugs at a price that fits your budget. That's why the rules below apply the same way no matter which plan you pick.

The three phases of Part D in 2027

The old "donut hole" (coverage gap) was eliminated in 2025. So starting in 2025 and continuing in 2027, Part D has just three phases:

1. Deductible phase. You pay the full negotiated price for your drugs until you meet your plan's deductible. In 2027, the maximum deductible a plan can charge is $700. Some plans set it lower, and some set it at a reduced amount for certain drug tiers.

2. Initial coverage phase. After the deductible, you pay a copay or coinsurance for each prescription, and your plan pays the rest. You stay in this phase until your out-of-pocket spending on covered drugs reaches the annual cap.

3. Catastrophic phase. Once your out-of-pocket costs hit $2,400 in 2027, you pay $0 for covered drugs for the rest of the year. That's the hard cap, and it remains the biggest change beneficiaries have seen in Part D in years.

Note: only what you pay for covered drugs counts toward the $2,400. Premiums don't count.

The Part D cap, explained

Before 2024, there was no true annual limit on Part D drug spending — people on expensive medications sometimes paid many thousands of dollars a year. The cap started at $2,000 in 2025, was $2,100 in 2026, and adjusts to $2,400 in 2027 based on the program's inflation formula.

If you take one or two costly brand-name drugs, you may reach that cap early in the year. After that, refills of covered drugs cost you nothing for the rest of 2027. If your drug costs are modest, you may never reach the cap — and that's fine, too. The cap is a safety net, not a target.

Smoothing your payments: the Medicare Prescription Payment Plan

One challenge with the cap is that you could still hit a big bill in January or February if an expensive drug pushes you toward $2,400 all at once.

To help, Medicare offers the Medicare Prescription Payment Plan (sometimes called "M3P" or drug cost smoothing). It's optional and free to join. Instead of paying the pharmacy at pickup, you spread your covered drug costs into monthly payments across the calendar year. You still owe the same amount overall — it's just billed monthly instead of at the counter.

This can help if a large refill would strain your budget in a single month. You can opt in through your Part D or Medicare Advantage drug plan.

A quick note on income and IRMAA

Most people pay the standard Part D premium set by their plan. But if your income is higher, you may pay an extra amount called IRMAA (Income-Related Monthly Adjustment Amount) on top of your premium. For 2026, IRMAA surcharges begin for single filers with income above $109,000 (based on your tax return from two years earlier). Married couples filing jointly have a higher threshold.

If your income has dropped recently — for example, because you retired — you can ask Social Security to reconsider using a life-change form.

When you can make changes

Two enrollment windows matter most:

• Annual Enrollment Period: October 15 – December 7. This is when anyone with Medicare can switch Part D plans, join a Medicare Advantage plan, or return to Original Medicare. Changes take effect January 1.
• Medicare Advantage Open Enrollment: January 1 – March 31. If you're already in a Medicare Advantage plan, you can switch to a different one or go back to Original Medicare (with a stand-alone Part D plan) once during this window.

Because plan formularies (the list of covered drugs) and pharmacy networks can change each year, it's worth reviewing your coverage every fall — even if you're happy with your current plan.