Medicare Advantage in Iron County, Missouri
1,445 people in Iron County, Missouri were enrolled in Medicare Advantage in October 2026, 52.0% of 2,780 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 55% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,829 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 15 members here are in plans that terminate or leave the county. MA plans offered go from 25 to 27.
Parent organizations in Iron County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 786 | +178 | 55.2% |
| Humana Inc. | 354 | +109 | 24.9% |
| CVS Health Corporation | 169 | +41 | 11.9% |
| Devoted Health, Inc. | 47 | new | 3.3% |
| Elevance Health, Inc. | 45 | −314 | 3.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 23 | −1 | 1.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 531 beneficiaries in Iron County were assigned to 21 Medicare Shared Savings Program ACOs, 43.5% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.