Medicare Part D

Medicare's New $2,100 Drug Cap: What Bakersfield Should Know

BAKERSFIELD, Calif. — Starting Jan. 1, 2026, Medicare's prescription drug coverage will look different than it did just two years ago. A new $2,100 annual cap on out-of-pocket drug costs takes effect, the old "donut hole" stays gone, and a payment plan option lets people spread their pharmacy bills across the year. Here's what those changes mean as Kern County residents sort through their coverage during the Annual Enrollment Period, which runs through Dec. 7.

The $2,100 cap, in plain terms

In 2026, once you've spent $2,100 out of pocket on covered prescription drugs under Medicare Part D, you're done paying for those drugs for the rest of the calendar year. That's it — no more coinsurance, no more copays at the pharmacy counter on covered medications.

This cap applies to what you pay for drugs on your plan's formulary. It doesn't include your monthly premium, and it doesn't cover drugs your plan doesn't list. The cap resets each January.

For people in Bakersfield who take expensive brand-name or specialty drugs, this is the biggest structural change to Part D in years. In 2024, there was no yearly limit at all. In 2025, the cap was $2,000. For 2026, it moves to $2,100, according to CMS.

The coverage gap is really gone

For years, Medicare drug coverage had four phases, including the confusing "donut hole" where costs jumped in the middle of the year. That gap was eliminated in 2025 and stays gone in 2026.

Today, Part D has three phases:

• Deductible phase — you pay full negotiated price until you meet your plan's deductible (no more than $615 in 2026).
• Initial coverage phase — you pay a copay or coinsurance while your plan pays the rest.
• Catastrophic phase — once your out-of-pocket spending hits $2,100, the plan covers your drugs for the rest of the year.

That's the whole cycle now. Simpler on paper, and for many people, less painful in practice.

The Medicare Prescription Payment Plan

Hitting a $2,100 cap sounds better than paying $2,100 all at once in February. That's where the Medicare Prescription Payment Plan comes in.

This is a free, optional program that lets you spread your out-of-pocket drug costs across the calendar year in monthly installments. You still owe the same total amount — nothing is forgiven — but instead of paying the pharmacy directly, your Part D plan bills you monthly.

It can help if you have a large fill early in the year or take a costly ongoing medication. It may not help much if your drug costs are low and steady. You have to opt in with your plan; it isn't automatic. Details are at medicare.gov.

What this means when you compare plans

Bakersfield is in Kern County, where Medicare beneficiaries have access to a range of stand-alone Part D plans and Medicare Advantage plans that include drug coverage. The $2,100 cap and the three-phase structure are set by federal law, so every Part D plan has to follow them. What still varies plan to plan:

• The monthly premium
• The deductible (up to $615)
• Which drugs are on the formulary and at what tier
• Which pharmacies are in network
• Whether prior authorization or step therapy applies

When you're weighing options, check that your specific medications are covered, and look at your total expected yearly cost — premium plus what you'd pay at the pharmacy — not just the sticker premium.

Higher-income filers: watch IRMAA

If your income is above $109,000 as a single filer (or $218,000 filing jointly) based on your 2024 tax return, you'll pay an Income-Related Monthly Adjustment Amount on top of your Part D premium in 2026. It's paid to Medicare, not the plan, and it doesn't affect the $2,100 cap.

Key dates to keep

• Oct. 15 – Dec. 7, 2025: Annual Enrollment Period. Switch, join, or drop Part D and Medicare Advantage plans for 2026.
• Jan. 1 – March 31, 2026: Medicare Advantage Open Enrollment. If you're already in an MA plan, you get one chance to switch or return to Original Medicare.