Medicare Advantage in Georgetown County, South Carolina
9,902 people in Georgetown County, South Carolina were enrolled in Medicare Advantage in October 2026, 42.0% of 23,549 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 39% of reported enrollment; 12 parent organizations have 11 or more members and the HHI is 2,421 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 42 to 44.
Parent organizations in Georgetown County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 3,810 | −1,165 | 38.7% |
| Humana Inc. | 2,459 | +358 | 25.0% |
| BlueCross BlueShield of South Carolina (BCBSSC) | 1,302 | +450 | 13.2% |
| CVS Health Corporation | 806 | −116 | 8.2% |
| Devoted Health, Inc. | 610 | new | 6.2% |
| Centene Corporation | 337 | −38 | 3.4% |
| Elevance Health, Inc. | 239 | −8 | 2.4% |
| Clover Health Holdings, Inc. | 163 | +111 | 1.7% |
| Independence Health Group, Inc. | 49 | −5 | 0.5% |
| Molina Healthcare, Inc. | 35 | −11 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 19 | 0 | 0.2% |
| Highmark Health | 19 | 0 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,583 beneficiaries in Georgetown County were assigned to 115 Medicare Shared Savings Program ACOs, 14.9% of assignable Original Medicare beneficiaries. Together, roughly 51% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.