Medicare Advantage in DeWitt County, Texas
2,297 people in DeWitt County, Texas were enrolled in Medicare Advantage in October 2026, 46.3% of 4,964 eligible beneficiaries (+0.9 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 71% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 5,319 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 305 members here are in plans that terminate or leave the county, and CVS Health Corporation, Health Care Service Corporation leave. MA plans offered go from 21 to 14.
Parent organizations in DeWitt County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,622 | +133 | 71.0% |
| Humana Inc. | 333 | −2 | 14.6% |
| CVS Health Corporation | 164 | −7 | 7.2% |
| Centene Corporation | 85 | −41 | 3.7% |
| Health Care Service Corporation | 51 | +1 | 2.2% |
| Regency ISNP Holdings LLC | 31 | +1 | 1.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,583 beneficiaries in DeWitt County were assigned to 28 Medicare Shared Savings Program ACOs, 73.9% 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.