TRYNYTYhealth:enablement
MA Enrollment Explorer / Louisiana / St. Landry

Medicare Advantage in St. Landry, Louisiana

10,121 people in St. Landry, Louisiana were enrolled in Medicare Advantage in October 2026, 48.6% of 20,808 eligible beneficiaries (+0.7 pts since October 2025). UnitedHealth Group, Inc. is the largest parent organization with 41% of reported enrollment; 6 parent organizations have 11 or more members and the HHI is 3,151 (highly concentrated). HRSA classifies the county as fully rural. For 2027, 2,634 members here are in plans that terminate or leave the county. MA plans offered go from 23 to 27.

48.6%MA penetration, October 2026
10,121MA enrollees
41%leading parent's share
42.8%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Louisiana

Parent organizations in St. Landry

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.4,099−7940.7%
Humana Inc.3,646+85336.2%
Louisiana Health Service & Indemnity Company1,020+19110.1%
CVS Health Corporation797−5157.9%
Centene Corporation445−984.4%
Elevance Health, Inc.67+350.7%

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

Value-based care alongside MA

In PY 2024, 3,634 beneficiaries in St. Landry were assigned to 38 Medicare Shared Savings Program ACOs, 42.8% of assignable Original Medicare beneficiaries. Together, roughly 71% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.