TRYNYTYhealth:enablement
MA Enrollment Explorer / Kansas / Marshall County

Medicare Advantage in Marshall County, Kansas

471 people in Marshall County, Kansas were enrolled in Medicare Advantage in October 2026, 16.8% of 2,803 eligible beneficiaries (−0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 73% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 6,041 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 0 members here are in plans that terminate or leave the county. MA plans offered go from 15 to 16.

16.8%MA penetration, October 2026
471MA enrollees
73%leading parent's share
67.6%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Kansas

Parent organizations in Marshall County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.308−1772.8%
Humana Inc.115−127.2%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 1,326 beneficiaries in Marshall County were assigned to 17 Medicare Shared Savings Program ACOs, 67.6% of assignable Original Medicare beneficiaries. Together, roughly 73% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.