TRYNYTYhealth:enablement
MA Enrollment Explorer / Louisiana / Assumption

Medicare Advantage in Assumption, Louisiana

3,284 people in Assumption, Louisiana were enrolled in Medicare Advantage in October 2026, 62.5% of 5,256 eligible beneficiaries (−0.6 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 44% of reported enrollment; 7 parent organizations have 11 or more members and the HHI is 3,623 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 544 members here are in plans that terminate or leave the county. MA plans offered go from 28 to 27.

62.5%MA penetration, October 2026
3,284MA enrollees
44%leading parent's share
36.9%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Louisiana

Parent organizations in Assumption

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.1,456−18444.4%
Humana Inc.1,298+29339.6%
CVS Health Corporation232−677.1%
Louisiana Health Service & Indemnity Company182−65.5%
Centene Corporation69−62.1%
Devoted Health, Inc.23new0.7%
Elevance Health, Inc.20+40.6%

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

Value-based care alongside MA

In PY 2024, 577 beneficiaries in Assumption were assigned to 8 Medicare Shared Savings Program ACOs, 36.9% of assignable Original Medicare beneficiaries. Together, roughly 76% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.