Although this review seems trustworthy, there's a lot of factors that need to be considered. This was done by customers who filled out surveys after the stay, it was not a mandatory survey. Most people who review things only do so when they are unhappy with their experience, so since this was an optional survey, the majority of surveyor's were biased.
Having said that, maybe this can be a useful tool for those trying to choose a hospital to receive treatment. See where your insurance will cover you, talk to friends and family and choose the hospital at which you feel the most comfortable.