Medicare Advantage in Calhoun County, Arkansas
511 people in Calhoun County, Arkansas were enrolled in Medicare Advantage in October 2026, 40.9% of 1,249 eligible beneficiaries (+0.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 63% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,733 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 28.
Parent organizations in Calhoun County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 308 | −1 | 63.4% |
| Humana Inc. | 126 | +40 | 25.9% |
| Centene Corporation | 27 | −19 | 5.6% |
| USAble Mutual Insurance Company | 14 | −11 | 2.9% |
| Devoted Health, Inc. | 11 | new | 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, 478 beneficiaries in Calhoun County were assigned to 18 Medicare Shared Savings Program ACOs, 83.1% of assignable Original Medicare beneficiaries. Together, roughly 90% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.