Medicare Advantage in Newton County, Georgia
14,697 people in Newton County, Georgia were enrolled in Medicare Advantage in October 2026, 65.3% of 22,503 eligible beneficiaries (+1.3 pts since October 2025). Humana Inc. is the largest parent organization with 34% of reported enrollment; 11 parent organizations have 11 or more members and the HHI is 2,379 (highly concentrated). For 2027, 505 members here are in plans that terminate or leave the county, and CareSource leaves. MA plans offered go from 53 to 50.
Parent organizations in Newton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 4,945 | +1,360 | 33.8% |
| UnitedHealth Group, Inc. | 3,761 | −185 | 25.7% |
| CVS Health Corporation | 3,268 | −280 | 22.3% |
| Elevance Health, Inc. | 950 | −216 | 6.5% |
| Centene Corporation | 627 | −55 | 4.3% |
| Kaiser Foundation Health Plan, Inc. | 522 | +80 | 3.6% |
| Clover Health Holdings, Inc. | 277 | +124 | 1.9% |
| Health Care Service Corporation | 220 | −34 | 1.5% |
| UNICO Services, Inc. | 36 | +7 | 0.2% |
| CareSource | 18 | new | 0.1% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 13 | 0 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 3,390 beneficiaries in Newton County were assigned to 46 Medicare Shared Savings Program ACOs, 68.0% of assignable Original Medicare beneficiaries. Together, roughly 89% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.