TRYNYTYhealth:enablement
MA Enrollment Explorer / Montana / Treasure County

Medicare Advantage in Treasure County, Montana

80 people in Treasure County, Montana were enrolled in Medicare Advantage in October 2026, 33.9% of 236 eligible beneficiaries (−4.2 pts since October 2025). Humana Inc. is the largest parent organization with 100% of reported enrollment; 1 parent organizations have 11 or more members and the HHI is 10,000 (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 5 to 5.

33.9%MA penetration, October 2026
80MA enrollees
100%leading parent's share
52.8%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Montana

Parent organizations in Treasure County

Parent organizationMembersChange since October 2025Share
Humana Inc.72+5100.0%

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

Value-based care alongside MA

In PY 2024, 60 beneficiaries in Treasure County were assigned to 5 Medicare Shared Savings Program ACOs, 52.8% of assignable Original Medicare beneficiaries. Together, roughly 69% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.