Medicare Advantage in Box Elder County, Utah
6,162 people in Box Elder County, Utah were enrolled in Medicare Advantage in October 2026, 59.6% of 10,341 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 80% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 6,554 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 274 members here are in plans that terminate or leave the county, and Health Care Service Corporation, Cambia Health Solutions, Inc., CVS Health Corporation leave. MA plans offered go from 18 to 12.
Parent organizations in Box Elder County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 4,898 | +795 | 79.8% |
| Humana Inc. | 818 | +587 | 13.3% |
| Health Care Service Corporation | 151 | +53 | 2.5% |
| CVS Health Corporation | 117 | −285 | 1.9% |
| Cambia Health Solutions, Inc. | 73 | +33 | 1.2% |
| Molina Healthcare, Inc. | 72 | −19 | 1.2% |
| Intermountain Health Care, Inc. | 11 | −888 | 0.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,098 beneficiaries in Box Elder County were assigned to 23 Medicare Shared Savings Program ACOs, 37.7% 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.