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Fact sheet · ismyplanending.com/press/michigan/ · CMS data as of September 22, 2026
Michigan: Medicare Advantage and Part D plans not offered in 2027
In Michigan, 547 Medicare Advantage plan listings from 2026 are not offered in 2027, according to CMS's 2027 plan list and plan crosswalk. A listing is one plan in one county. Another 213 listings are being replaced: members are moved into another plan from the same company, as shown in CMS's plan crosswalk.
- ~96,000 people were in plans that are ending (September 2026). They need to pick a new plan, unless their plan's letter offers another option. If they do nothing, they will have Original Medicare.
- ~41,000 people were in plans being replaced. CMS's file moves them into another plan from the same company. For some plans, the file also lists the plan as ending, so some members may not be moved. Their Annual Notice of Change explains it.
Of all states, Michigan has the tenth-most people in Medicare Advantage plans not offered in 2027.
- Not offeredin 2027
- 547
- of 4,524plan listings
- Beingreplaced
- 213
- from CMS plancrosswalk
- People in plansending
- ~96,000
- from CMS plancrosswalk
- People in plansbeing replaced
- ~41,000
- from CMS plancrosswalk
Please don't describe these numbers as people losing coverage. Everyone in these plans keeps Medicare. Both numbers come from CMS's 2027 plan list and plan crosswalk. For some plans, CMS's file also lists the plan as ending, so some members may not be moved.
Why plans are not offered
- 144 listings: the company is ending a whole group of plans (a contract) everywhere.
- 50 listings: the plan is leaving the county.
- 353 listings: the company still offers other plans in the county, but not this one. CMS's 2027 plan list and plan crosswalk show these members aren't moved to another plan here.
Drug plans (Part D)
1 of 12 stand-alone drug plans offered in Michigan in 2026 is not offered in 2027. In September 2026, about 8,300 people were in it. Drug plans are offered statewide.
- HealthSpring Extra Rx (PDP) (HealthSpring): ~8,300 people
1 more, with about 56,000 people, is being replaced by another plan from the same company.
Counties with the most people in plans not offered
| County | Listings not offered | Being replaced | People in plans ending | People in plans being replaced |
|---|---|---|---|---|
| Kent County | 7 of 80 | 3 | ~6,900 | ~180 |
| Grand Traverse County | 6 of 54 | 2 | ~6,900 | ~70 |
| Newaygo County | 11 of 75 | 3 | ~4,500 | ~30 |
| Ottawa County | 7 of 76 | 2 | ~3,500 | ~90 |
| Wayne County | 7 of 90 | 7 | ~2,800 | ~17,000 |
Companies with the most people in plans not offered
We are not affiliated with any of these companies. Names are shown as CMS lists them, only to identify plans.
| Company | Listings not offered | Being replaced | People in plans ending | People in plans being replaced |
|---|---|---|---|---|
| Corewell Health | 198 | 0 | ~74,000 | 0 |
| Humana | 77 | 133 | ~8,400 | ~22,000 |
| Centene Corporation | 152 | 0 | ~4,700 | 0 |
| CVS Health Corporation | 74 | 0 | ~4,500 | 0 |
| MEDICAL MUTUAL OF OHIO | 20 | 0 | ~2,800 | 0 |
What members can do
- Read the Annual Notice of Change from their plan (it must arrive by September 30), or the letter saying their plan is ending (plans must send it by October 2, 2026). No letter? Contact the plan.
- People can change plans during Open Enrollment, October 15 to December 7, 2026. New coverage starts January 1, 2027.
- If their plan is ending, they also have a special window from December 8, 2026 to February 28, 2027.
- If a Medicare Advantage plan ends and the member picks nothing, they will have Original Medicare on January 1, 2027. Without Extra Help, they will not have Medicare drug coverage. With Extra Help, Medicare puts them in a drug plan.
- If their plan is being replaced, their Annual Notice of Change says whether they are moved into the new plan. They can still pick a different plan.
- Check one plan by ZIP code at ismyplanending.com.
Key dates
- October 1, 2026
- 2027 plans are on Medicare Plan Finder.
- On or around October 8, 2026
- 2027 star ratings posted on Medicare.gov.
- October 15 – December 7, 2026
- Open Enrollment. Change your plan for 2027. Your new plan must get your request by December 7 to start January 1.
- December 8, 2026 – February 28, 2027
- If your plan is ending: more time to pick a new plan.
- January 1, 2027
- New coverage starts.
- January 1 – March 31, 2027
- If you are in a Medicare Advantage plan, you can make one change.
Free help
Medicare: 1-800-MEDICARE (1-800-633-4227), TTY 1-877-486-2048, 24 hours a day, 7 days a week (except some federal holidays).
SHIP: Free, one-on-one help from your State Health Insurance Assistance Program (SHIP). Find the Michigan SHIP (opens in a new tab) (www.shiphelp.org/ships/michigan/).
Medicare Plan Finder: compare 2027 plans (opens in a new tab) (medicare.gov/plan-compare).
About these numbers
- We compare CMS's 2026 and 2027 plan lists (CMS CY2027 Landscape, release 202609.1, data as of September 22, 2026). A plan in the 2026 list for a county that is not in the 2027 list is "not offered".
- Counts are plan listings: one plan in one county (drug plans: one plan in one state). One plan in 20 counties is 20 listings.
- "Being replaced" comes from CMS's 2027 plan crosswalk, which shows where each plan's members go. We count a listing as being replaced only when the new plan is offered in that county (drug plans: that state). It is not added to the "not offered" number.
- People counts are rounded, from CMS enrollment for September 2026. CMS hides counts of 10 or fewer, so true totals are a little higher. Exact figures are in the CSV.
More data
- Michigan page with every county and company: ismyplanending.com/2027/michigan/
- Spreadsheet of every Michigan plan listing and its 2027 status: ismyplanending.com/data/2027/csv/states/MI.csv
- All fact sheets and how to cite: ismyplanending.com/press/. Questions: [email protected]. Free to use with credit to Is My Plan Ending? (ismyplanending.com).
If you're in one of these plans, confirm with your Annual Notice of Change or the letter from your plan saying it is ending.
Source: CMS CY2027 Landscape, data as of September 22, 2026 (release 202609.1). Enrollment: CMS Monthly Enrollment by Contract/Plan/State/County, September 2026. Plan moves: CMS 2027 Plan Crosswalk, file dated October 1, 2026. Independent analysis by Is My Plan Ending?, https://ismyplanending.com/. Not affiliated with Medicare, CMS, or any insurer.