Medicare Part D

Medicare's New $2,100 Drug Cap: What Changes in 2026

AUGUSTA, Ga. — Starting Jan. 1, 2026, people with Medicare Part D drug coverage will have something they've never had before: a firm annual limit on what they pay out of pocket for prescription drugs. That ceiling is $2,100. Once you hit it, you pay $0 for covered drugs for the rest of the calendar year.

This is one of the biggest changes to Medicare drug coverage in nearly two decades, and it lands right in the middle of Medicare's Annual Enrollment Period (Oct. 15 – Dec. 7). Here's what Augusta-area readers should know before choosing coverage for next year.

The $2,100 cap, in plain English

For 2026, Medicare Part D — the part of Medicare that helps pay for prescription drugs — caps your out-of-pocket drug spending at $2,100 per year. That includes your deductible and any copays or coinsurance you pay at the pharmacy for covered drugs.

Once your out-of-pocket spending hits $2,100, you move into what Medicare calls the "catastrophic phase." In that phase, you pay nothing for the rest of the year for covered Part D drugs.

The cap applies whether you have a stand-alone Part D plan or drug coverage built into a Medicare Advantage plan. Monthly premiums do not count toward the $2,100.

The "donut hole" is gone

If you've been on Medicare a while, you probably remember the coverage gap — the "donut hole" — where your share of drug costs jumped in the middle of the year. That gap was eliminated in 2025.

For 2026, Part D has three simple phases:

1. Deductible phase — You pay full negotiated price until you meet your plan's deductible (no more than $615 in 2026). 2. Initial coverage phase — You pay a share of the cost, usually 25%, until your out-of-pocket total hits $2,100. 3. Catastrophic phase — You pay $0 for covered drugs for the rest of the year.

No more surprise jump in costs mid-year. What you pay at the counter is what counts toward the cap.

The Medicare Prescription Payment Plan

Even with the $2,100 cap, hitting that number early in the year can be tough for people on expensive medications. To help, Medicare offers the Medicare Prescription Payment Plan — an optional program that lets you spread your drug costs across the calendar year in monthly installments instead of paying at the pharmacy.

Here's how it works:

• You still owe the same total amount for your drugs — the payment plan doesn't lower your costs.
• Instead of paying, say, $600 at the pharmacy in January, you pay $0 at the counter and get a bill from your plan.
• Your total yearly cost is divided into monthly payments through December.

The program is free to join, and you can sign up before the year starts or at any point during the year. It's most useful for people who face a large drug bill early in the year. If your drug costs are low and steady, it may not help much.

You can opt in through your Part D or Medicare Advantage plan. Medicare.gov has details and a decision tool.

What this means for Augusta residents

Augusta is in Richmond County, where Medicare beneficiaries have a range of stand-alone Part D plans and Medicare Advantage plans with drug coverage to choose from during Annual Enrollment. Every plan sold in the county must honor the $2,100 cap and offer the payment plan option — those are federal rules, not features unique to any one plan.

That said, plans still differ in premiums, deductibles, drug formularies (the list of covered drugs), and pharmacy networks. Two plans can both follow the federal rules and still cost you very different amounts based on which drugs you take. The Plan Finder tool at Medicare.gov lets you enter your prescriptions and see how each plan available in Richmond County would treat them.

How to decide during Annual Enrollment

A few practical steps before Dec. 7:

• Make a current drug list. Include dosages and how often you fill each one.
• Check your current plan's Annual Notice of Change. Plans mail this every fall. Look for changes to your drugs' tier or coverage for 2026.
• Run the numbers on Medicare.gov's Plan Finder. It will estimate your full-year drug costs under each plan.
• Ask about the payment plan. If you take a high-cost drug, consider whether smoothing payments across the year would help your budget.
• Watch your income. IRMAA surcharges — extra premiums for higher earners — begin above $109,000 in income for a single filer in 2026.

If you miss Annual Enrollment and you're in a Medicare Advantage plan, you get another window: Medicare Advantage Open Enrollment, Jan. 1 – March 31, when you can switch Advantage plans once or return to Original Medicare.