Medicare Advantage in San Juan County, Utah
436 people in San Juan County, Utah were enrolled in Medicare Advantage in October 2026, 16.8% of 2,594 eligible beneficiaries (+1.9 pts since October 2025). Humana Inc. is the largest parent organization with 48% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 4,275 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 8 to 11.
Parent organizations in San Juan County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Humana Inc. | 204 | +37 | 47.6% |
| UnitedHealth Group, Inc. | 191 | +19 | 44.5% |
| UMWA Health and Retirement Funds | 19 | +1 | 4.4% |
| CVS Health Corporation | 15 | 0 | 3.5% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 45 beneficiaries in San Juan County were assigned to 8 Medicare Shared Savings Program ACOs, 2.7% of assignable Original Medicare beneficiaries. Together, roughly 19% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.