Medicare Advantage in Seminole County, Georgia
1,447 people in Seminole County, Georgia were enrolled in Medicare Advantage in October 2026, 58.6% of 2,470 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 48% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,544 (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 30 to 31.
Parent organizations in Seminole County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 675 | −21 | 47.8% |
| Humana Inc. | 467 | +26 | 33.1% |
| Elevance Health, Inc. | 160 | +8 | 11.3% |
| CVS Health Corporation | 75 | −4 | 5.3% |
| Clover Health Holdings, Inc. | 23 | new | 1.6% |
| Centene Corporation | 11 | −8 | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 196 beneficiaries in Seminole County were assigned to 13 Medicare Shared Savings Program ACOs, 23.9% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.