Medicare Advantage in Hampton County, South Carolina
2,695 people in Hampton County, South Carolina were enrolled in Medicare Advantage in October 2026, 57.5% of 4,690 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 49% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,507 (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 38 to 40.
Parent organizations in Hampton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,316 | −287 | 49.3% |
| Humana Inc. | 844 | +124 | 31.6% |
| Devoted Health, Inc. | 149 | new | 5.6% |
| CVS Health Corporation | 138 | +7 | 5.2% |
| Centene Corporation | 96 | −2 | 3.6% |
| Clover Health Holdings, Inc. | 60 | +4 | 2.2% |
| UNICO Services, Inc. | 39 | +12 | 1.5% |
| Molina Healthcare, Inc. | 15 | +1 | 0.6% |
| Independence Health Group, Inc. | 13 | −3 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 277 beneficiaries in Hampton County were assigned to 26 Medicare Shared Savings Program ACOs, 16.3% of assignable Original Medicare beneficiaries. Together, roughly 64% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.