Blue Cross Blue Shield of Michigan Mutual Ins. Co.: Medicare Advantage counties in 2026 and 2027
In the CMS landscape files for the 50 states and DC, Blue Cross Blue Shield of Michigan Mutual Ins. Co. offers Medicare Advantage plans (with or without drug coverage, excluding Special Needs Plans) in 106 counties for 2027, compared with 299 in 2026.
| State | Counties 2026 | Counties 2027 | Change |
|---|---|---|---|
| Iowa | 98 | 0 | -98 |
| Michigan | 83 | 83 | +0 |
| North Dakota | 53 | 0 | -53 |
| South Dakota | 43 | 0 | -43 |
| Wyoming | 22 | 23 | +1 |
Sources
- Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
- Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.