Medicare Advantage in Clay County, Arkansas
1,446 people in Clay County, Arkansas were enrolled in Medicare Advantage in October 2026, 37.6% of 3,848 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 43% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,029 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 154 members here are in plans that terminate or leave the county. MA plans offered go from 23 to 19.
Parent organizations in Clay County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 603 | −24 | 42.8% |
| Centene Corporation | 446 | +6 | 31.6% |
| Health Care Service Corporation | 151 | +80 | 10.7% |
| Humana Inc. | 96 | +14 | 6.8% |
| USAble Mutual Insurance Company | 82 | −51 | 5.8% |
| Select Founders, LLC | 32 | +5 | 2.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,211 beneficiaries in Clay County were assigned to 20 Medicare Shared Savings Program ACOs, 59.0% of assignable Original Medicare beneficiaries. Together, roughly 74% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.