Medicare Advantage in Hart County, Georgia
4,180 people in Hart County, Georgia were enrolled in Medicare Advantage in October 2026, 54.0% of 7,736 eligible beneficiaries (+1.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 36% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 2,633 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 230 members here are in plans that terminate or leave the county. MA plans offered go from 44 to 38.
Parent organizations in Hart County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,478 | −112 | 35.6% |
| Humana Inc. | 1,112 | +239 | 26.8% |
| CVS Health Corporation | 1,001 | +21 | 24.1% |
| Elevance Health, Inc. | 316 | −48 | 7.6% |
| Centene Corporation | 107 | +7 | 2.6% |
| Devoted Health, Inc. | 101 | new | 2.4% |
| Mitchell Family Office | 28 | −4 | 0.7% |
| Clover Health Holdings, Inc. | 12 | new | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,024 beneficiaries in Hart County were assigned to 29 Medicare Shared Savings Program ACOs, 73.8% of assignable Original Medicare beneficiaries. Together, roughly 88% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.