Hospital Information: Outpatient Cost to Charge Ratio - History RAMAPO RIDGE PSYCH HOSP Click here to download this table. Ratio Effective Date 050.14% 1/1/2024 050.14% 1/1/2023 048.17% 1/1/2022 048.17% 1/1/2021 047.04% 1/1/2020 047.04% 1/1/2019 045.71% 1/1/2018 044.51% 1/1/2017 044.67% 1/1/2016