Medicare Advantage in Beaufort County, South Carolina
20,432 people in Beaufort County, South Carolina were enrolled in Medicare Advantage in October 2026, 32.6% of 62,762 eligible beneficiaries (−0.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 34% of reported enrollment; 14 parent organizations have 11 or more members and the HHI is 2,323 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,307 members here are in plans that terminate or leave the county. MA plans offered go from 32 to 32.
Parent organizations in Beaufort County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 7,011 | −4,492 | 34.5% |
| Humana Inc. | 5,156 | +2,647 | 25.4% |
| CVS Health Corporation | 3,145 | +224 | 15.5% |
| BlueCross BlueShield of South Carolina (BCBSSC) | 3,102 | +1,679 | 15.3% |
| Clover Health Holdings, Inc. | 563 | +177 | 2.8% |
| Centene Corporation | 540 | −7 | 2.7% |
| Elevance Health, Inc. | 355 | −11 | 1.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 221 | −32 | 1.1% |
| Highmark Health | 79 | +5 | 0.4% |
| Independence Health Group, Inc. | 62 | −28 | 0.3% |
| Health Care Service Corporation | 47 | −10 | 0.2% |
| Molina Healthcare, Inc. | 29 | 0 | 0.1% |
| Lifetime Healthcare, Inc. | 14 | +1 | under 0.1% |
| CareFirst, Inc. | 12 | +1 | under 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, 3,271 beneficiaries in Beaufort County were assigned to 244 Medicare Shared Savings Program ACOs, 10.1% of assignable Original Medicare beneficiaries. Together, roughly 39% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.