TRYNYTYhealth:enablement
MA Enrollment Explorer / Oregon / Morrow County

Medicare Advantage in Morrow County, Oregon

377 people in Morrow County, Oregon were enrolled in Medicare Advantage in October 2026, 16.1% of 2,340 eligible beneficiaries (+1.9 pts since October 2025). Humana Inc. is the largest parent organization with 90% of reported enrollment; 2 parent organizations have 11 or more members and the HHI is 8,227 (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.

16.1%MA penetration, October 2026
377MA enrollees
90%leading parent's share
35.0%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Oregon

Parent organizations in Morrow County

Parent organizationMembersChange since October 2025Share
Humana Inc.321+4190.2%
UnitedHealth Group, Inc.35−19.8%

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

Value-based care alongside MA

In PY 2024, 537 beneficiaries in Morrow County were assigned to 19 Medicare Shared Savings Program ACOs, 35.0% of assignable Original Medicare beneficiaries. Together, roughly 45% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.