Medicare Advantage in Hays County, Texas
21,417 people in Hays County, Texas were enrolled in Medicare Advantage in October 2026, 49.4% of 43,366 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 50% of reported enrollment; 9 parent organizations have 11 or more members and the HHI is 3,512 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,620 members here are in plans that terminate or leave the county, and Health Care Service Corporation leaves. MA plans offered go from 38 to 31.
Parent organizations in Hays County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 10,554 | −623 | 49.5% |
| Humana Inc. | 6,504 | +1,345 | 30.5% |
| CVS Health Corporation | 1,706 | +26 | 8.0% |
| Health Care Service Corporation | 1,502 | +62 | 7.0% |
| Devoted Health, Inc. | 695 | +306 | 3.3% |
| Centene Corporation | 215 | −169 | 1.0% |
| Elevance Health, Inc. | 85 | +4 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 33 | −1 | 0.2% |
| California Physicians' Service | 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, 7,585 beneficiaries in Hays County were assigned to 110 Medicare Shared Savings Program ACOs, 50.9% 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.