Hospital Information: Outpatient Cost to Charge Ratio - History MMC ENCOMPASSHLTH REHAB HOSP Click here to download this table. Ratio Effective Date 043.28% 1/1/2021 043.54% 1/1/2020 043.02% 1/1/2019 041.81% 1/1/2018 040.71% 1/1/2017 043.65% 1/1/2015 042.42% 1/1/2014