Oregon Health Plan (OHP) members with mental illness made emergency department visits for physical health problems 2.5 times as often during 2017 as members without mental illness. Statewide, OHP members without mental illness made an average of 40 emergency department visits for physical health problems per 1,000 member months. OHP members with mental illness made an average of 100 such visits per 1,000 member months. Across the 15 Medicaid coordinated care organizations (CCOs) that manage the OHP, the emergency department visit rate for members without mental illness ranged from 30 to nearly 60 visits per 1,000 . . .