Medicare Advantage in Effingham County, Georgia
6,467 people in Effingham County, Georgia were enrolled in Medicare Advantage in October 2026, 53.2% of 12,151 eligible beneficiaries (−0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 34% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,255 (highly concentrated). For 2027, 912 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 35 to 31.
Parent organizations in Effingham County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,197 | −246 | 34.3% |
| Humana Inc. | 1,572 | +272 | 24.5% |
| CVS Health Corporation | 1,118 | +84 | 17.4% |
| Elevance Health, Inc. | 658 | −205 | 10.3% |
| Devoted Health, Inc. | 418 | +292 | 6.5% |
| Clover Health Holdings, Inc. | 294 | +132 | 4.6% |
| Health Care Service Corporation | 141 | +24 | 2.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 11 | 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, 2,046 beneficiaries in Effingham County were assigned to 41 Medicare Shared Savings Program ACOs, 52.8% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.