Medicare Advantage in San Patricio County, Texas
9,950 people in San Patricio County, Texas were enrolled in Medicare Advantage in October 2026, 67.6% of 14,716 eligible beneficiaries (+0.5 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 56% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 4,558 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 580 members here are in plans that terminate or leave the county, and CHRISTUS Health, Health Care Service Corporation leave. MA plans offered go from 32 to 20.
Parent organizations in San Patricio County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 5,601 | −245 | 56.4% |
| Humana Inc. | 3,663 | +534 | 36.9% |
| CVS Health Corporation | 364 | −7 | 3.7% |
| Centene Corporation | 115 | −35 | 1.2% |
| Health Care Service Corporation | 86 | 0 | 0.9% |
| Elevance Health, Inc. | 51 | +26 | 0.5% |
| CHRISTUS Health | 50 | +9 | 0.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 671 beneficiaries in San Patricio County were assigned to 53 Medicare Shared Savings Program ACOs, 22.3% of assignable Original Medicare beneficiaries. Together, roughly 75% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.