Medicare Advantage in Jackson County, Texas
1,585 people in Jackson County, Texas were enrolled in Medicare Advantage in October 2026, 45.0% of 3,519 eligible beneficiaries (+0.6 pts since October 2025). Humana Inc. is the largest parent organization with 35% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 2,741 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 118 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 17 to 12.
Parent organizations in Jackson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 550 | +26 | 35.2% |
| UnitedHealth Group, Inc. | 505 | −50 | 32.3% |
| CVS Health Corporation | 296 | +14 | 19.0% |
| Centene Corporation | 147 | +47 | 9.4% |
| Health Care Service Corporation | 37 | −4 | 2.4% |
| Regency ISNP Holdings LLC | 27 | +7 | 1.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 715 beneficiaries in Jackson County were assigned to 30 Medicare Shared Savings Program ACOs, 48.8% of assignable Original Medicare beneficiaries. Together, roughly 72% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.