TRYNYTYhealth:enablement
MA Enrollment Explorer / Nevada / Clark County

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.

56.8%MA penetration, October 2026
244,878MA enrollees
36%leading parent's share
26.2%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Nevada

Parent organizations in Clark County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.88,460−7,61836.2%
Humana Inc.83,698+5,59134.2%
CVS Health Corporation26,507−1,95910.8%
Alignment Healthcare USA, LLC23,057+9,6529.4%
Intermountain Health Care, Inc.6,756−1,4252.8%
Elevance Health, Inc.6,500−3752.7%
SCAN Group5,410+3,4972.2%
Centene Corporation1,236−810.5%
Health Care Service Corporation1,074−650.4%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.536−230.2%
California Physicians' Service408+350.2%
Kaiser Foundation Health Plan, Inc.240−3under 0.1%
Hawaii Medical Service Association120+35under 0.1%
Champion Health Plans-USA, LLC.96+70under 0.1%
Molina Healthcare, Inc.84+55under 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.