Medicare Advantage in Carbon County, Wyoming
482 people in Carbon County, Wyoming were enrolled in Medicare Advantage in October 2026, 14.5% of 3,324 eligible beneficiaries (−9.3 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 67% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 5,107 (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 Carbon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 309 | new | 67.3% |
| UnitedHealth Group, Inc. | 105 | −623 | 22.9% |
| CVS Health Corporation | 29 | 0 | 6.3% |
| Fenyx Health Holdings, Inc. | 16 | new | 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, 231 beneficiaries in Carbon County were assigned to 34 Medicare Shared Savings Program ACOs, 15.3% of assignable Original Medicare beneficiaries. Together, roughly 28% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.