Medicare Advantage in Greene County, Arkansas
4,354 people in Greene County, Arkansas were enrolled in Medicare Advantage in October 2026, 43.1% of 10,110 eligible beneficiaries (+0.1 pts since October 2025). Humana Inc. is the largest parent organization with 48% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,179 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 212 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 24.
Parent organizations in Greene County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 2,078 | +744 | 47.9% |
| UnitedHealth Group, Inc. | 1,024 | −236 | 23.6% |
| Centene Corporation | 712 | −131 | 16.4% |
| Health Care Service Corporation | 294 | +82 | 6.8% |
| CVS Health Corporation | 92 | −8 | 2.1% |
| Select Founders, LLC | 56 | +5 | 1.3% |
| USAble Mutual Insurance Company | 50 | −376 | 1.2% |
| St. Bernard's Healthcare | 29 | +9 | 0.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,060 beneficiaries in Greene County were assigned to 39 Medicare Shared Savings Program ACOs, 45.2% of assignable Original Medicare beneficiaries. Together, roughly 69% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.