Medicare Advantage in Abbeville County, South Carolina
3,498 people in Abbeville County, South Carolina were enrolled in Medicare Advantage in October 2026, 50.4% of 6,939 eligible beneficiaries (+0.1 pts since October 2025). Humana Inc. is the largest parent organization with 45% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,906 (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 37 to 39.
Parent organizations in Abbeville County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 1,571 | +156 | 45.2% |
| UnitedHealth Group, Inc. | 677 | −298 | 19.5% |
| Devoted Health, Inc. | 663 | +386 | 19.1% |
| Centene Corporation | 277 | −71 | 8.0% |
| CVS Health Corporation | 258 | −115 | 7.4% |
| Molina Healthcare, Inc. | 16 | +4 | 0.5% |
| Independence Health Group, Inc. | 13 | −3 | 0.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,112 beneficiaries in Abbeville County were assigned to 20 Medicare Shared Savings Program ACOs, 78.2% 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.