Medicare Advantage in Crook County, Wyoming
259 people in Crook County, Wyoming were enrolled in Medicare Advantage in October 2026, 11.7% of 2,222 eligible beneficiaries (−6.7 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 50% of reported enrollment; 4 parent organizations have 11 or more members and the HHI is 3,655 (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 Crook County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 119 | new | 50.2% |
| Humana Inc. | 72 | +44 | 30.4% |
| UnitedHealth Group, Inc. | 31 | −241 | 13.1% |
| CVS Health Corporation | 15 | +2 | 6.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 376 beneficiaries in Crook County were assigned to 20 Medicare Shared Savings Program ACOs, 31.4% of assignable Original Medicare beneficiaries. Together, roughly 39% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.