Medicare Advantage in Miller County, Georgia
819 people in Miller County, Georgia were enrolled in Medicare Advantage in October 2026, 60.4% of 1,355 eligible beneficiaries (+1.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 50% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 3,440 (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 33 to 30.
Parent organizations in Miller County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 385 | −33 | 50.0% |
| Humana Inc. | 205 | −7 | 26.6% |
| CVS Health Corporation | 82 | +29 | 10.6% |
| Elevance Health, Inc. | 82 | −6 | 10.6% |
| Clover Health Holdings, Inc. | 16 | new | 2.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 179 beneficiaries in Miller County were assigned to 18 Medicare Shared Savings Program ACOs, 37.1% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.