Medicare Advantage in Monroe County, Iowa
649 people in Monroe County, Iowa were enrolled in Medicare Advantage in October 2026, 33.2% of 1,956 eligible beneficiaries (−3.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 23% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 1,677 (moderately concentrated). HRSA classifies the county as fully rural. For 2027, 140 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 15 to 13.
Parent organizations in Monroe County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 144 | −156 | 23.0% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 121 | +19 | 19.3% |
| CVS Health Corporation | 114 | −38 | 18.2% |
| Humana Inc. | 87 | +19 | 13.9% |
| Centene Corporation | 75 | +51 | 12.0% |
| Trinity Health Corporation | 61 | +50 | 9.7% |
| Mitchell Family Office | 25 | +5 | 4.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 812 beneficiaries in Monroe County were assigned to 16 Medicare Shared Savings Program ACOs, 79.5% of assignable Original Medicare beneficiaries. Together, roughly 86% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
