Medicare Part D

Carmel Medicare Advantage Members Get One Switch by March 31

CARMEL, Ind. — If the plan you picked during fall enrollment does not feel right, you are not stuck with it. From January 1 through March 31, anyone already enrolled in a Medicare Advantage plan has a limited window to make one change. This is called the Medicare Advantage Open Enrollment Period, and it exists specifically to let people course-correct after the busy fall season.

Carmel retirees get a second chance to fix a Medicare Advantage choice

For Carmel residents settling into their 2027 coverage, this is the quiet, less-crowded time to review what is actually working — and what isn't.

What you can (and can't) do between January 1 and March 31

The Medicare Advantage Open Enrollment Period is narrower than the fall Annual Enrollment Period. Here is what CMS allows during this window:

• Switch from one Medicare Advantage plan to a different Medicare Advantage plan.
• Drop your Medicare Advantage plan and return to Original Medicare (Parts A and B).
• If you drop back to Original Medicare, you can also join a stand-alone Part D prescription drug plan.

What you cannot do in this window:

• You cannot switch from Original Medicare into a Medicare Advantage plan for the first time.
• You cannot join or switch a stand-alone Part D plan if you are staying on Medicare Advantage.
• You only get one change during this window. Make it count.

Any change you make takes effect the first day of the following month.

Why this window matters more in 2027

A few program-level changes are worth understanding before you decide whether to switch:

• Part D out-of-pocket cap: The Part D out-of-pocket cap is $2,100 in 2026 and $2,400 in 2027. Once you hit that, your covered prescriptions cost you nothing for the rest of the calendar year.
• Part D deductible: The maximum allowable Part D deductible is $615 in 2026 and $700 in 2027. Plans can charge less, but not more.
• No more donut hole: As of 2025, the old coverage gap is gone. Part D now has three phases — deductible, initial coverage, and catastrophic.
• Medicare Prescription Payment Plan: If your drug costs hit hard early in the year, you can opt in to spread those out over monthly payments instead of paying the pharmacy all at once.
• IRMAA: Higher-income beneficiaries pay Part B and Part D surcharges. For 2026, those surcharges begin above $109,000 in modified adjusted gross income for a single filer (based on your 2024 tax return).

If your January pharmacy receipt was a shock, or your doctor is suddenly out of network, these are exactly the kinds of issues this window was built to address.

Plan availability in the Carmel area

Carmel is in Hamilton County, where Medicare Advantage and Part D plan availability is set at the county level by CMS — not by ZIP code or city. That means every Carmel resident sees the same menu of plans as a neighbor across town in Hamilton County, though the plan that fits one household may be wrong for the next.

When comparing options on Medicare.gov's Plan Finder, enter your ZIP code and your prescription list. The tool will show every plan offered in Hamilton County alongside its network, drug formulary, and total estimated annual cost for someone with your medications.

Common mistakes to avoid

The people who regret their Medicare Advantage choice usually made one of these missteps:

1. They didn't check the drug formulary. Formularies change every January. A medication that was covered in December 2026 may be on a different tier — or off the list — in 2027. 2. They assumed their doctor was in-network. Provider networks shift too. Confirm with your doctor's office directly, not just the plan directory. 3. They ignored the Annual Notice of Change. That document, mailed in September, spells out what is different about your plan for the coming year. If you tossed it, request a new copy from the plan. 4. They waited until March 30. Changes take effect the month after you enroll. Waiting to the final days means longer gaps and more confusion.

Star Ratings, briefly explained

You will see plans labeled with one to five stars. CMS Star Ratings measure things like customer service, member complaints, and how well plans manage chronic conditions. They are one data point among many — useful context, not a shortcut. A high-rated plan that does not cover your drugs is still the wrong plan for you.