Medicare Advantage in Lyon County, Nevada
7,256 people in Lyon County, Nevada were enrolled in Medicare Advantage in October 2026, 43.9% of 16,543 eligible beneficiaries (−1.1 pts since October 2025). Universal Health Services, Inc. is the largest parent organization with 58% of reported enrollment; 8 parent organizations have 11 or more members and the HHI is 3,902 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 815 members here are in plans that terminate or leave the county, and Kaiser Foundation Health Plan, Inc. leaves. MA plans offered go from 11 to 10.
Parent organizations in Lyon County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| Universal Health Services, Inc. | 4,191 | −16 | 58.2% |
| UnitedHealth Group, Inc. | 1,134 | +307 | 15.8% |
| Humana Inc. | 1,069 | +569 | 14.9% |
| Centene Corporation | 359 | +307 | 5.0% |
| CVS Health Corporation | 253 | −1,213 | 3.5% |
| California Physicians' Service | 68 | −1 | 0.9% |
| Kaiser Foundation Health Plan, Inc. | 61 | +10 | 0.8% |
| Elevance Health, Inc. | 60 | −9 | 0.8% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 2,445 beneficiaries in Lyon County were assigned to 51 Medicare Shared Savings Program ACOs, 41.5% of assignable Original Medicare beneficiaries. Together, roughly 67% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
