Medicare Advantage in Nueces County, Texas
44,261 people in Nueces County, Texas were enrolled in Medicare Advantage in October 2026, 65.2% of 67,904 eligible beneficiaries (+0.2 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 60% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 4,474 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 3,577 members here are in plans that terminate or leave the county, and CHRISTUS Health leaves. MA plans offered go from 43 to 31.
Parent organizations in Nueces County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 26,738 | −2,197 | 60.5% |
| Humana Inc. | 12,310 | +2,855 | 27.9% |
| Health Care Service Corporation | 1,875 | +135 | 4.2% |
| CVS Health Corporation | 1,851 | −33 | 4.2% |
| Centene Corporation | 551 | −96 | 1.2% |
| Elevance Health, Inc. | 359 | +153 | 0.8% |
| CHRISTUS Health | 287 | +95 | 0.6% |
| Regency ISNP Holdings LLC | 216 | +24 | 0.5% |
| Universal Health Services, Inc. | 11 | new | 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, 4,108 beneficiaries in Nueces County were assigned to 113 Medicare Shared Savings Program ACOs, 27.4% 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.