Medicare Advantage in San Jacinto County, Texas
4,325 people in San Jacinto County, Texas were enrolled in Medicare Advantage in October 2026, 57.9% of 7,468 eligible beneficiaries (+0.4 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 38% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 2,476 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 131 members here are in plans that terminate or leave the county. MA plans offered go from 41 to 35.
Parent organizations in San Jacinto County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,606 | −11 | 37.6% |
| Humana Inc. | 951 | +208 | 22.3% |
| Health Care Service Corporation | 900 | −43 | 21.1% |
| CVS Health Corporation | 409 | −117 | 9.6% |
| Centene Corporation | 156 | −29 | 3.7% |
| Elevance Health, Inc. | 148 | +55 | 3.5% |
| Devoted Health, Inc. | 101 | +38 | 2.4% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 681 beneficiaries in San Jacinto County were assigned to 39 Medicare Shared Savings Program ACOs, 34.1% 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.