Medicare Advantage in Greene County, Georgia
3,390 people in Greene County, Georgia were enrolled in Medicare Advantage in October 2026, 44.2% of 7,670 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 41% of reported enrollment; 10 parent organizations have 11 or more members and the HHI is 2,658 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 43 members here are in plans that terminate or leave the county. MA plans offered go from 47 to 45.
Parent organizations in Greene County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,382 | −152 | 41.3% |
| Humana Inc. | 830 | +103 | 24.8% |
| CVS Health Corporation | 499 | +93 | 14.9% |
| Elevance Health, Inc. | 331 | −49 | 9.9% |
| Health Care Service Corporation | 109 | +10 | 3.3% |
| Centene Corporation | 92 | −8 | 2.7% |
| Devoted Health, Inc. | 41 | new | 1.2% |
| Mitchell Family Office | 37 | +1 | 1.1% |
| Clover Health Holdings, Inc. | 15 | new | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 13 | −1 | 0.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,001 beneficiaries in Greene County were assigned to 53 Medicare Shared Savings Program ACOs, 30.6% of assignable Original Medicare beneficiaries. Together, roughly 61% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.