Hospital Information: Outpatient Cost to Charge Ratio - History INSPIRA MEDICAL CTR.,WOODBURY Click here to download this table. Ratio Effective Date 013.87% 1/1/2022 013.71% 1/1/2021 009.24% 1/1/2020 009.24% 1/1/2019 009.15% 1/1/2018 009.09% 1/1/2017 009.03% 1/1/2016 010.00% 1/1/2015 009.91% 1/1/2014