Medicare Advantage in Sweetwater County, Wyoming
948 people in Sweetwater County, Wyoming were enrolled in Medicare Advantage in October 2026, 12.0% of 7,906 eligible beneficiaries (−6.2 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 80% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 6,509 (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 3 to 3.
Parent organizations in Sweetwater County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 741 | new | 79.8% |
| UnitedHealth Group, Inc. | 91 | −1,217 | 9.8% |
| CVS Health Corporation | 60 | −1 | 6.5% |
| Fenyx Health Holdings, Inc. | 26 | new | 2.8% |
| UMWA Health and Retirement Funds | 11 | new | 1.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 106 beneficiaries in Sweetwater County were assigned to 37 Medicare Shared Savings Program ACOs, 2.6% of assignable Original Medicare beneficiaries. Together, roughly 14% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.