Medicare Advantage in Marion County, Georgia
1,123 people in Marion County, Georgia were enrolled in Medicare Advantage in October 2026, 63.1% of 1,779 eligible beneficiaries (+1.4 pts since October 2025). Humana Inc. is the largest parent organization with 39% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,848 (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 43 to 43.
Parent organizations in Marion County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 429 | +58 | 39.4% |
| UnitedHealth Group, Inc. | 344 | +1 | 31.6% |
| CVS Health Corporation | 164 | −36 | 15.0% |
| Elevance Health, Inc. | 81 | −14 | 7.4% |
| Centene Corporation | 37 | −10 | 3.4% |
| Clover Health Holdings, Inc. | 35 | +10 | 3.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 265 beneficiaries in Marion County were assigned to 15 Medicare Shared Savings Program ACOs, 62.6% of assignable Original Medicare beneficiaries. Together, roughly 86% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.