TRYNYTYhealth:enablement
MA Enrollment Explorer / Missouri / Scott County

Medicare Advantage in Scott County, Missouri

4,090 people in Scott County, Missouri were enrolled in Medicare Advantage in October 2026, 41.1% of 9,957 eligible beneficiaries (+1.1 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 73% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 5,589 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 37 members here are in plans that terminate or leave the county. MA plans offered go from 20 to 20.

41.1%MA penetration, October 2026
4,090MA enrollees
73%leading parent's share
71.7%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Missouri

Parent organizations in Scott County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.2,954+32172.8%
CVS Health Corporation558+24713.8%
Humana Inc.364+1859.0%
Elevance Health, Inc.153−6083.8%
Rifkin Managed Care Holding, LLC27−70.7%

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

Value-based care alongside MA

In PY 2024, 3,501 beneficiaries in Scott County were assigned to 30 Medicare Shared Savings Program ACOs, 71.7% of assignable Original Medicare beneficiaries. Together, roughly 83% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.