TRYNYTYhealth:enablement
MA Enrollment Explorer / Iowa / Cherokee County

Medicare Advantage in Cherokee County, Iowa

679 people in Cherokee County, Iowa were enrolled in Medicare Advantage in October 2026, 21.6% of 3,144 eligible beneficiaries (−0.5 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 32% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,332 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 226 members here are in plans that terminate or leave the county, and Blue Cross Blue Shield of Michigan Mutual Ins. Co. leaves. MA plans offered go from 12 to 9.

21.6%MA penetration, October 2026
679MA enrollees
32%leading parent's share
6.6%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Iowa

Parent organizations in Cherokee County

Parent organizationMembersChange since October 2025Share
Blue Cross Blue Shield of Michigan Mutual Ins. Co.211+1331.8%
Humana Inc.193+7029.1%
CVS Health Corporation117−5417.6%
UnitedHealth Group, Inc.75−5311.3%
Mitchell Family Office33+55.0%
Centene Corporation21new3.2%
Elevance Health, Inc.14−42.1%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 136 beneficiaries in Cherokee County were assigned to 14 Medicare Shared Savings Program ACOs, 6.6% of assignable Original Medicare beneficiaries. Together, roughly 27% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.