Medicare Advantage in Bamberg County, South Carolina
2,109 people in Bamberg County, South Carolina were enrolled in Medicare Advantage in October 2026, 59.2% of 3,561 eligible beneficiaries (−0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 60% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 4,091 (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 41 to 43.
Parent organizations in Bamberg County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,252 | −147 | 60.5% |
| Humana Inc. | 376 | +37 | 18.2% |
| CVS Health Corporation | 130 | −13 | 6.3% |
| Centene Corporation | 104 | +3 | 5.0% |
| Devoted Health, Inc. | 99 | new | 4.8% |
| UNICO Services, Inc. | 36 | +8 | 1.7% |
| Clover Health Holdings, Inc. | 30 | new | 1.5% |
| Molina Healthcare, Inc. | 25 | +6 | 1.2% |
| Independence Health Group, Inc. | 16 | −3 | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 99 beneficiaries in Bamberg County were assigned to 17 Medicare Shared Savings Program ACOs, 8.8% of assignable Original Medicare beneficiaries. Together, roughly 63% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.