Medicare Advantage in Clark County, Nevada
244,878 people in Clark County, Nevada were enrolled in Medicare Advantage in October 2026, 56.8% of 431,433 eligible beneficiaries (+0.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 36% of reported enrollment; 24 parent organizations have 11 or more members and the HHI is 2,710 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 1,742 members here are in plans that terminate or leave the county, and Kaiser Foundation Health Plan, Inc., Molina Healthcare, Inc., Imperial Health Plan of California leave. MA plans offered go from 40 to 39.
Parent organizations in Clark County
| Parent organization | Members | Change since October 2025 | Share |
|---|---|---|---|
| UnitedHealth Group, Inc. | 88,460 | −7,618 | 36.2% |
| Humana Inc. | 83,698 | +5,591 | 34.2% |
| CVS Health Corporation | 26,507 | −1,959 | 10.8% |
| Alignment Healthcare USA, LLC | 23,057 | +9,652 | 9.4% |
| Intermountain Health Care, Inc. | 6,756 | −1,425 | 2.8% |
| Elevance Health, Inc. | 6,500 | −375 | 2.7% |
| SCAN Group | 5,410 | +3,497 | 2.2% |
| Centene Corporation | 1,236 | −81 | 0.5% |
| Health Care Service Corporation | 1,074 | −65 | 0.4% |
| Blue Cross Blue Shield of Michigan Mutual Ins. Co. | 536 | −23 | 0.2% |
| California Physicians' Service | 408 | +35 | 0.2% |
| Kaiser Foundation Health Plan, Inc. | 240 | −3 | under 0.1% |
| Hawaii Medical Service Association | 120 | +35 | under 0.1% |
| Champion Health Plans-USA, LLC. | 96 | +70 | under 0.1% |
| Molina Healthcare, Inc. | 84 | +55 | under 0.1% |
CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.
Value-based care alongside MA
In PY 2024, 28,693 beneficiaries in Clark County were assigned to 351 Medicare Shared Savings Program ACOs, 26.2% of assignable Original Medicare beneficiaries. Together, roughly 68% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.
