Delve into the methodology used in the 2021-2022 Best Hospitals rankings by US News & World Report. Medicare claims data were used from calendar years 2017-2019, patient satisfaction surveys from 2019, and surveys of physicians [3 years 2019, 2020 and 2021] are used. Hospitals were screened by having advanced services or teaching programs, and having certain number of Medicare cases. See the full criteria and methods used in this study. Pediatric hospitals methodology also available.