Medicare Advantage in Teton County, Wyoming
271 people in Teton County, Wyoming were enrolled in Medicare Advantage in October 2026, 5.9% of 4,561 eligible beneficiaries (−2.9 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 38% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 2,727 (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 7 to 7.
Parent organizations in Teton County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 93 | new | 37.8% |
| Humana Inc. | 56 | new | 22.8% |
| CVS Health Corporation | 51 | +1 | 20.7% |
| UnitedHealth Group, Inc. | 46 | −265 | 18.7% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 270 beneficiaries in Teton County were assigned to 83 Medicare Shared Savings Program ACOs, 9.2% of assignable Original Medicare beneficiaries. Together, roughly 15% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.