Medicare Advantage in Rockdale County, Georgia
12,015 people in Rockdale County, Georgia were enrolled in Medicare Advantage in October 2026, 65.1% of 18,446 eligible beneficiaries (+1.1 pts since October 2025). Humana Inc. is the largest parent organization with 32% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 2,112 (highly concentrated). For 2027, 2,662 members here are in plans that terminate or leave the county, and CareSource leaves. MA plans offered go from 55 to 44.
Parent organizations in Rockdale County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 3,790 | +1,155 | 31.7% |
| CVS Health Corporation | 2,920 | −212 | 24.4% |
| UnitedHealth Group, Inc. | 2,383 | −633 | 19.9% |
| Elevance Health, Inc. | 804 | −112 | 6.7% |
| Kaiser Foundation Health Plan, Inc. | 653 | +76 | 5.5% |
| Centene Corporation | 526 | +13 | 4.4% |
| Devoted Health, Inc. | 402 | +293 | 3.4% |
| Clover Health Holdings, Inc. | 236 | +91 | 2.0% |
| Health Care Service Corporation | 198 | −51 | 1.7% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 23 | +2 | 0.2% |
| CareSource | 18 | new | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,584 beneficiaries in Rockdale County were assigned to 41 Medicare Shared Savings Program ACOs, 67.0% 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.
