Medicare Advantage in Oconee County, South Carolina
12,019 people in Oconee County, South Carolina were enrolled in Medicare Advantage in October 2026, 47.4% of 25,334 eligible beneficiaries (+0.5 pts since October 2025). Humana Inc. is the largest parent organization with 47% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,356 (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 39 to 40.
Parent organizations in Oconee County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 5,635 | +1,260 | 47.2% |
| CVS Health Corporation | 3,678 | −591 | 30.8% |
| UnitedHealth Group, Inc. | 1,492 | −316 | 12.5% |
| BlueCross BlueShield of South Carolina (BCBSSC) | 517 | +86 | 4.3% |
| Centene Corporation | 284 | −5 | 2.4% |
| Elevance Health, Inc. | 176 | +13 | 1.5% |
| Independence Health Group, Inc. | 78 | −9 | 0.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 47 | −2 | 0.4% |
| Molina Healthcare, Inc. | 40 | −2 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,361 beneficiaries in Oconee County were assigned to 78 Medicare Shared Savings Program ACOs, 12.6% of assignable Original Medicare beneficiaries. Together, roughly 54% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.