Medicare Advantage in Orangeburg County, South Carolina
13,000 people in Orangeburg County, South Carolina were enrolled in Medicare Advantage in October 2026, 59.0% of 22,051 eligible beneficiaries (+0.01 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 57% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 3,784 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 627 members here are in plans that terminate or leave the county. MA plans offered go from 35 to 35.
Parent organizations in Orangeburg County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 7,365 | −661 | 56.9% |
| Humana Inc. | 2,646 | +451 | 20.4% |
| BlueCross BlueShield of South Carolina (BCBSSC) | 1,111 | +393 | 8.6% |
| Centene Corporation | 764 | +203 | 5.9% |
| CVS Health Corporation | 607 | −339 | 4.7% |
| Clover Health Holdings, Inc. | 146 | +110 | 1.1% |
| Orangeburg Senior Helping Center, LLC | 96 | +6 | 0.7% |
| Independence Health Group, Inc. | 88 | −10 | 0.7% |
| Molina Healthcare, Inc. | 71 | −6 | 0.5% |
| UNICO Services, Inc. | 43 | +4 | 0.3% |
| Elevance Health, Inc. | 14 | −4 | 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,535 beneficiaries in Orangeburg County were assigned to 40 Medicare Shared Savings Program ACOs, 22.9% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.