Medicare Advantage in Jefferson County, Arkansas
8,375 people in Jefferson County, Arkansas were enrolled in Medicare Advantage in October 2026, 53.4% of 15,670 eligible beneficiaries (+0.9 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 61% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 4,519 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 361 members here are in plans that terminate or leave the county, and CVS Health Corporation leaves. MA plans offered go from 30 to 24.
Parent organizations in Jefferson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 5,087 | −15 | 61.0% |
| Humana Inc. | 2,289 | +606 | 27.4% |
| Centene Corporation | 373 | −143 | 4.5% |
| USAble Mutual Insurance Company | 353 | −127 | 4.2% |
| CVS Health Corporation | 220 | −146 | 2.6% |
| Select Founders, LLC | 18 | −1 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,699 beneficiaries in Jefferson County were assigned to 44 Medicare Shared Savings Program ACOs, 67.4% of assignable Original Medicare beneficiaries. Together, roughly 85% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.