Medicare Advantage

Medicare in Detroit: Key 2027 Deadlines for Wayne County

For 2027, Detroit is looking at 86 Medicare Advantage plans: 12 new, 16 gone since 2026, and 37 still here but changed on premium, deductible, plan type or name, 5 of them under a new name. Below, how the lineup shifted in Wayne County and what to compare, with no plan ranked or recommended.

DETROIT — If you live in Detroit, the number of Medicare choices in front of you this fall is bigger than many people expect. Wayne County has 81 Medicare Advantage plans available for 2027, offered by 16 different carriers. Of those, 69 are continuing from this year, 12 are new, and 5 have been renamed, while 16 plans from 2026 are not returning. That's a lot to sort through — and the calendar, not the catalog, is what usually decides whether you get to act on those choices this year or wait until next.

This guide walks through the enrollment windows that apply to Detroit-area residents, what happens if you miss one, and how the dates fit together.

The main window: October 15 – December 7

This is the Annual Enrollment Period, often called AEP or the Fall Open Enrollment. It's the window most Detroit-area Medicare members use each year. During AEP you can:

• Join a Medicare Advantage plan for the first time.
• Switch from one Medicare Advantage plan to another.
• Drop Medicare Advantage and go back to Original Medicare.
• Join, switch, or drop a stand-alone Part D drug plan.

Any change you make during AEP takes effect January 1, 2027. With 81 Medicare Advantage plans available in Wayne County, it's worth starting to compare in mid-October rather than waiting until the first week of December when call centers get crowded.

The second chance: January 1 – March 31

The Medicare Advantage Open Enrollment Period is a smaller do-over window. It's only for people who are already enrolled in a Medicare Advantage plan on January 1. During this window you can:

• Switch to a different Medicare Advantage plan (one change only).
• Leave Medicare Advantage and return to Original Medicare, and add a Part D plan if you need drug coverage.

You cannot use this window to join a Medicare Advantage plan for the first time from Original Medicare. If you're happy with what you chose in the fall, you don't need to do anything.

Turning 65 in Detroit: your Initial Enrollment Period

If you're aging into Medicare, your Initial Enrollment Period is a seven-month window built around your 65th birthday month — the three months before, your birthday month, and the three months after. This is when you first sign up for Part A and Part B, and when you can pick up a Medicare Advantage or Part D plan.

Missing this window matters. Enrolling in Part B late can bring a permanent monthly penalty for as long as you have Medicare. Part D has its own late penalty if you go 63 days or more without creditable drug coverage after becoming eligible. These penalties stick — they aren't a one-time fee.

What if you missed a deadline?

You may still have options, but they're narrower.

• Special Enrollment Periods (SEPs): Life events — moving, losing job-based coverage, qualifying for Extra Help, moving into or out of a nursing facility — can open a short window to make a change outside AEP.
• General Enrollment Period (January 1 – March 31): If you missed signing up for Part B when you first became eligible and don't qualify for an SEP, you can enroll during this period, with coverage starting the month after you sign up.
• Working past 65: If you or your spouse are still working and covered by an employer group plan, you may be able to delay Part B without a penalty. Confirm this with your benefits office before your 65th birthday — don't assume.

How the dates interact with 2027 program changes

A few 2027 rules are worth knowing as you compare options during AEP:

• The Part D out-of-pocket cap is $2,100 in 2026 and $2,400 in 2027. Once your drug spending hits that ceiling, you pay nothing for covered Part D drugs the rest of the year.
• The Part D deductible cannot exceed $615 in 2026, rising to a maximum of $700 in 2027.
• The old coverage gap ("donut hole") was eliminated in 2025 — Part D now has three phases.
• The Medicare Prescription Payment Plan lets you spread your drug costs across the year in monthly installments instead of paying big amounts at the pharmacy counter. You can opt in through your Part D or Medicare Advantage drug plan.
• IRMAA — the income-related surcharge on Part B and Part D — starts above $109,000 in income for single filers in 2026 (higher for joint filers), based on your 2024 tax return.

None of these rules are plan-specific. They apply across Medicare, which means the same 2027 baseline shows up in every option you'll compare in Wayne County.

How to compare 90 plans without losing your weekend

A practical order of operations for the fall window:

1. Make your list. Write down your doctors, hospitals, and every prescription with dose and frequency. 2. Use the official Plan Finder. At medicare.gov, enter your ZIP code and drug list. The tool sorts plans by your actual expected costs. 3. Check the network. For any Medicare Advantage plan on your short list, confirm your doctors and preferred Detroit-area hospitals are in-network. 4. Ask for help. Michigan's State Health Insurance Assistance Program (MMAP) offers free, unbiased counseling. Reach MMAP at 1-800-803-7174.