Medicare Advantage in Sublette County, Wyoming
186 people in Sublette County, Wyoming were enrolled in Medicare Advantage in October 2026, 8.5% of 2,177 eligible beneficiaries (−3.2 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 68% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 5,127 (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 Sublette County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 113 | new | 67.7% |
| CVS Health Corporation | 33 | 0 | 19.8% |
| UnitedHealth Group, Inc. | 21 | −177 | 12.6% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 69 beneficiaries in Sublette County were assigned to 28 Medicare Shared Savings Program ACOs, 5.9% 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.
