May very well be true in some states and in some cases. But my doctor clients accept very limited types of insurance and have had no problems thus far with this practice for many years.
What we are already beginning to see are deductibles so large that they will never be met unless a patient has some type of major or catastrophic illness. Enough of these with one insurance carrier and the docs will drop that insurance and just see the patient for a slightly reduced rate on a private pay basis and not have to deal with the insurance side or reporting of treatment information to anyone other than the patient.
They will go out of business. They already are! Where its starting to steamroll are physician bankruptcies in Florida.