Blue Cross Blue Shield of Michigan Mutual Ins. Co. in Iowa: 33,015 Medicare Advantage members, 14.6% share, 3rd of 13.
Blue Cross Blue Shield of Michigan Mutual Ins. Co. lost 653 members (−1.9%) from Nov 2025 to Oct 2026 and stepped −5.2% at the 2026 election period against the market's −1.9%. It sells in 82 of Iowa’s 99 counties with visible members and leads 14; UnitedHealth sits just ahead at 24.7%, Humana just behind at 14.3%.
Blue Cross Blue Shield of Michigan Mutual Ins. Co.'s twelve months in Iowa
Visible members each month, Nov 2025 to Oct 2026. The December-to-January step is the election period. The market line for the state is on the Iowa page.
Where Blue Cross Blue Shield of Michigan Mutual Ins. Co.'s Iowa members are
The carrier’s five largest counties by visible members, with its share of each county’s visible Medicare Advantage members. It sells in 82 counties and leads 14 of them.
| County | Blue Cross Blue Shield of Michigan Mutual Ins. Co. members | Share of county | County visible members | County leader |
|---|---|---|---|---|
| Polk | 4,273 | 11.3% | 37,690 | UnitedHealth |
| Linn | 3,121 | 14.3% | 21,893 | Aetna (CVS) |
| Johnson | 1,743 | 22.3% | 7,831 | Aetna (CVS) |
| Woodbury | 1,495 | 17.1% | 8,770 | Aetna (CVS) |
| Black Hawk | 1,488 | 14.0% | 10,632 | Aetna (CVS) |
Blue Cross Blue Shield of Michigan Mutual Ins. Co. against the Iowa market
The carrier’s figures beside the state’s, each weighted by members. A difference is a difference, not a grade: a higher maximum or a lower rating is a design and a result, read in context.
top three hold 73.7%
market 3.81
market 90%
market $5,900
| # | Carrier | Members | Share | Twelve months | Election step | Counties led | Rating | $0 premium |
|---|---|---|---|---|---|---|---|---|
| 1 | Aetna (CVS) | 77,670 | 34.4% | +24.5% | +17.4% | 60 of 92 | 4.00 | 95% |
| 2 | UnitedHealth | 55,635 | 24.7% | −38.5% | −35.5% | 15 of 90 | 3.73 | 70% |
| 3 | Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 33,015 | 14.6% | −1.9% | −5.2% | 14 of 82 | – | – |
| 4 | Humana | 32,310 | 14.3% | +42.5% | +30.6% | 6 of 94 | 4.15 | 100% |
| 5 | Centene | 12,294 | 5.5% | +250.2% | +252.3% | 0 of 71 | 2.50 | 100% |
| 6 | Trinity Health Corporation | 7,804 | 3.5% | +123.5% | +112.0% | 3 of 39 | 3.24 | 99% |
What 2027 does to Blue Cross Blue Shield of Michigan Mutual Ins. Co.'s plans in Iowa
The fate assigned to each of the carrier’s plans for 2027, joined to the members in it today.
Blue Cross Blue Shield of Michigan Mutual Ins. Co. ends every plan in Iowa for 2027. Its 33,015 members there must choose another plan or return to Original Medicare.
The read on Blue Cross Blue Shield of Michigan Mutual Ins. Co. in Iowa is in Carrier Command.
Risk and rebate against the market, the five-test read on coding versus selection, Stars levers and next year's cut points, the election-period forecast and the county-by-county standing, written as a monthly page.
Blue Cross Blue Shield of Michigan Mutual Ins. Co. elsewhere, and the rest of Iowa
How these numbers are made
- Members are visible members: CMS suppresses any plan-county cell of ten or fewer, so small counties undercount. Market share excludes employer group plans.
- Enrollment is Oct 2026; the twelve months run Nov 2025 to Oct 2026; the election step compares December 2025 with January 2026.
- Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the parent organization Blue Cross Blue Shield of Michigan Mutual Ins. Co.; its 2 plans in Iowa may sell under other brand names. The rating is the 2027 overall Star Rating of its contracts weighted by members in Iowa; $0 premium and the in-network maximum are the 2027 filings weighted by members today.
- Plan fates are the ones assigned for contract year 2027.
- Every figure comes from public CMS data as Livmor reads it, and the page is rebuilt when a new month posts. Livmor Carrier Command, public CMS data.