Medicare Advantage in Johnson County, Wyoming
407 people in Johnson County, Wyoming were enrolled in Medicare Advantage in October 2026, 14.6% of 2,797 eligible beneficiaries (−5.1 pts since October 2025). Blue Cross Blue Shield of Michigan Mutual Ins. Co. is the largest parent organization with 85% of reported enrollment; 3 parent organizations have 11 or more members and the HHI is 7,372 (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 Johnson County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 327 | new | 85.2% |
| UnitedHealth Group, Inc. | 37 | −466 | 9.6% |
| CVS Health Corporation | 20 | −3 | 5.2% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 81 beneficiaries in Johnson County were assigned to 27 Medicare Shared Savings Program ACOs, 5.6% of assignable Original Medicare beneficiaries. Together, roughly 19% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.