Does Your Doctor Get "Dinged?"

In the current insurance-driven medical model, doctors are "dinged" by insurance companies if they prescribe a branded medication that it is not on your formulary.  Sometimes doctors feel like they can't prescribe a particular medication for you due to the fear of being put on an insurance list.  This sounds like insurance companies are practicing medicine, right?  Wouldn't you rather your doctor make the decision about which medication you should be taking?  Yeah, I thought so too.