Medicare Advantage in Carbon County, Utah
2,169 people in Carbon County, Utah were enrolled in Medicare Advantage in October 2026, 43.7% of 4,966 eligible beneficiaries (+1.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 82% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 6,821 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 153 members here are in plans that terminate or leave the county, and CVS Health Corporation leaves. MA plans offered go from 8 to 6.
Parent organizations in Carbon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 1,739 | +324 | 81.5% |
| UMWA Health and Retirement Funds | 242 | −14 | 11.3% |
| CVS Health Corporation | 153 | −200 | 7.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 785 beneficiaries in Carbon County were assigned to 15 Medicare Shared Savings Program ACOs, 33.4% of assignable Original Medicare beneficiaries. Together, roughly 62% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.