Medicare Advantage in Natrona County, Wyoming
3,323 people in Natrona County, Wyoming were enrolled in Medicare Advantage in October 2026, 19.0% of 17,478 eligible beneficiaries (−1.0 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 91% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 8,342 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 2,803 members here are in plans that terminate or leave the county, and UnitedHealth Group, Inc. leaves. MA plans offered go from 6 to 3.
Parent organizations in Natrona County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 2,977 | −268 | 91.2% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 170 | new | 5.2% |
| CVS Health Corporation | 67 | −3 | 2.1% |
| Humana Inc. | 41 | +11 | 1.3% |
| Elevance Health, Inc. | 11 | −2 | 0.3% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 1,264 beneficiaries in Natrona County were assigned to 71 Medicare Shared Savings Program ACOs, 12.8% of assignable Original Medicare beneficiaries. Together, roughly 29% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.