Medicare Advantage in Decatur County, Georgia
3,764 people in Decatur County, Georgia were enrolled in Medicare Advantage in October 2026, 62.0% of 6,068 eligible beneficiaries (+1.8 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 54% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,524 (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 32 to 29.
Parent organizations in Decatur County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,006 | +70 | 53.9% |
| Humana Inc. | 798 | −42 | 21.4% |
| Elevance Health, Inc. | 293 | −16 | 7.9% |
| CVS Health Corporation | 291 | +14 | 7.8% |
| Clover Health Holdings, Inc. | 194 | +83 | 5.2% |
| Centene Corporation | 143 | +15 | 3.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 717 beneficiaries in Decatur County were assigned to 24 Medicare Shared Savings Program ACOs, 39.4% of assignable Original Medicare beneficiaries. Together, roughly 77% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
