Medicare Advantage in Berkeley County, South Carolina
21,838 people in Berkeley County, South Carolina were enrolled in Medicare Advantage in October 2026, 44.3% of 49,333 eligible beneficiaries (−0.2 pts since October 2025). Humana Inc. is the largest parent organization with 34% of reported enrollment; 15 parent organizations have 11 or more members and the HHI is 2,272 (highly concentrated). For 2027, 163 members here are in plans that terminate or leave the county. MA plans offered go from 47 to 47.
Parent organizations in Berkeley County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 7,403 | +1,088 | 34.1% |
| UnitedHealth Group, Inc. | 6,419 | −1,917 | 29.6% |
| Devoted Health, Inc. | 2,048 | +1,492 | 9.4% |
| BlueCross BlueShield of South Carolina (BCBSSC) | 1,727 | +752 | 8.0% |
| CVS Health Corporation | 1,415 | −1,064 | 6.5% |
| Centene Corporation | 923 | +23 | 4.3% |
| Health Care Service Corporation | 882 | +294 | 4.1% |
| Clover Health Holdings, Inc. | 446 | +211 | 2.1% |
| Independence Health Group, Inc. | 117 | −20 | 0.5% |
| Molina Healthcare, Inc. | 91 | 0 | 0.4% |
| Elevance Health, Inc. | 78 | 0 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 52 | 0 | 0.2% |
| UNICO Services, Inc. | 51 | +11 | 0.2% |
| BoldAge PACE, LLC | 27 | new | 0.1% |
| Highmark Health | 27 | +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, 11,408 beneficiaries in Berkeley County were assigned to 146 Medicare Shared Savings Program ACOs, 57.4% of assignable Original Medicare beneficiaries. Together, roughly 76% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.