Medicare Advantage in Ouachita County, Arkansas
3,205 people in Ouachita County, Arkansas were enrolled in Medicare Advantage in October 2026, 52.6% of 6,096 eligible beneficiaries (+1.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 60% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,465 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 92 members here are in plans that terminate or leave the county. MA plans offered go from 27 to 23.
Parent organizations in Ouachita County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,913 | −14 | 60.1% |
| Humana Inc. | 905 | +315 | 28.4% |
| Centene Corporation | 151 | −54 | 4.7% |
| USAble Mutual Insurance Company | 141 | −140 | 4.4% |
| Select Founders, LLC | 40 | −4 | 1.3% |
| CVS Health Corporation | 33 | −27 | 1.0% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,907 beneficiaries in Ouachita County were assigned to 33 Medicare Shared Savings Program ACOs, 76.4% of assignable Original Medicare beneficiaries. Together, roughly 89% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.