Medicare Advantage in Summit County, Utah
3,466 people in Summit County, Utah were enrolled in Medicare Advantage in October 2026, 41.1% of 8,428 eligible beneficiaries (−0.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 59% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 4,028 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 610 members here are in plans that terminate or leave the county, and Cambia Health Solutions, Inc., CVS Health Corporation leave. MA plans offered go from 22 to 16.
Parent organizations in Summit County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,034 | +1 | 59.1% |
| Humana Inc. | 588 | +186 | 17.1% |
| Intermountain Health Care, Inc. | 509 | −21 | 14.8% |
| Cambia Health Solutions, Inc. | 133 | +17 | 3.9% |
| CVS Health Corporation | 102 | −109 | 3.0% |
| Elevance Health, Inc. | 45 | +2 | 1.3% |
| Devoted Health, Inc. | 20 | new | 0.6% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 11 | −2 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 630 beneficiaries in Summit County were assigned to 68 Medicare Shared Savings Program ACOs, 18.8% of assignable Original Medicare beneficiaries. Together, roughly 52% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.