TRYNYTYhealth:enablement
MA Enrollment Explorer / Oregon / Harney County

Medicare Advantage in Harney County, Oregon

61 people in Harney County, Oregon were enrolled in Medicare Advantage in October 2026, 2.7% of 2,222 eligible beneficiaries (−0.2 pts since October 2025). UnitedHealth Group, 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.

2.7%MA penetration, October 2026
61MA enrollees
100%leading parent's share
2.8%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Oregon

Parent organizations in Harney County

Parent organizationMembersChange since October 2025Share
UnitedHealth Group, Inc.35−1100.0%

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

Value-based care alongside MA

In PY 2024, 38 beneficiaries in Harney County were assigned to 18 Medicare Shared Savings Program ACOs, 2.8% of assignable Original Medicare beneficiaries. Together, roughly 5% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.