I've honestly never seen a doctor or therapist review "in the middle" on a review site. They are always either gushing or almost insanely ranting. I discount both as completely unhelpful.

I choose to save review sites for things less important like choosing restaurant or car mechanic and search for my physicians/therapists via more objective criteria such as years of experience, training, hospital affiliation, perhaps recommendations from people I actually know and respect, etc., and save my final "review" to my own experience in meeting said practitioner. What I've learned over the years is that what one person loves in a provider may be completely opposite of what I like, and what I desire in a provider might be a big turn-off to someone else.