MA Enrollment Explorer / States / Nevada
Medicare Advantage in Nevada: enrollment, penetration and market share
330,074 people in Nevada were enrolled in Medicare Advantage in October 2026. 52.0% of the state's 634,856 eligible Medicare beneficiaries are in Medicare Advantage, +0.05 pts since October 2025. UnitedHealth Group, Inc. is the largest parent organization with 30% of reported enrollment; 25 parent organizations have 11 or more members, and the market's HHI is 2,077 (highly concentrated). Through the 2026 Annual Election Period (December to February), reported MA enrollment in Nevada changed by +4,911 (+1.5%).
52.0%MA penetration, October 2026
330KMA enrollees
25parent organizations (11+ members)
2,077HHI, highly concentrated
Parent organizations in Nevada
Change and share change are since October 2025. Shares are of reported enrollment in the CMS State/County/Contract file.
Counties
| County | MA enrollees | Penetration | Leading parent |
|---|---|---|---|
| Clark County | 244,878 | 56.8% | UnitedHealth Group, Inc. 36% |
| Washoe County | 50,522 | 47.5% | Kaiser Foundation Health Plan, Inc. 39% |
| Nye County | 11,662 | 63.4% | Humana Inc. 50% |
| Lyon County | 7,256 | 43.9% | Universal Health Services, Inc. 58% |
| Carson City | 6,305 | 40.1% | Universal Health Services, Inc. 46% |
| Douglas County | 5,712 | 29.6% | Universal Health Services, Inc. 40% |
| Churchill County | 2,276 | 36.0% | Humana Inc. 42% |
| Storey County | 488 | 33.6% | Universal Health Services, Inc. 59% |
| Mineral County | 472 | 34.2% | Humana Inc. 97% |
| Elko County | 271 | 3.2% | Fenyx Health Holdings, Inc. 42% |
| Humboldt County | 100 | 2.9% | UnitedHealth Group, Inc. 100% |
| White Pine County | 49 | 2.4% | UnitedHealth Group, Inc. 100% |
| Lincoln County | 39 | 3.3% | UnitedHealth Group, Inc. 100% |
| Lander County | 22 | 2.1% | |
| Pershing County | 22 | 1.8% | |
| Esmeralda County | 0 | n/a | |
| Eureka County | 0 | n/a |
