Hospital Information: Outpatient Cost to Charge Ratio - History HUNTERDON MEDICAL CENTER Click here to download this table. Ratio Effective Date 017.06% 1/1/2023 018.98% 1/1/2022 021.83% 1/1/2020 023.05% 1/1/2019 023.07% 1/1/2018 024.71% 1/1/2017 027.68% 1/1/2016 029.63% 1/1/2015 029.08% 1/1/2014