TRYNYTYhealth:enablement
MA Enrollment Explorer / Missouri / Audrain County

Medicare Advantage in Audrain County, Missouri

2,465 people in Audrain County, Missouri were enrolled in Medicare Advantage in October 2026, 42.0% of 5,876 eligible beneficiaries (+0.3 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 66% of reported enrollment; 5 parent organizations have 11 or more members and the HHI is 4,849 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 474 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 27.

42.0%MA penetration, October 2026
2,465MA enrollees
66%leading parent's share
66.1%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Missouri

Parent organizations in Audrain County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.1,614−10466.2%
Humana Inc.415+19417.0%
CVS Health Corporation321+11513.2%
Centene Corporation53+242.2%
Rifkin Managed Care Holding, LLC36−61.5%

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

Value-based care alongside MA

In PY 2024, 1,766 beneficiaries in Audrain County were assigned to 24 Medicare Shared Savings Program ACOs, 66.1% of assignable Original Medicare beneficiaries. Together, roughly 80% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.