Practising medicine without a license is a crime in most states, I believe. It won’t make any difference to the regime, but the fool that gets caught won’t think it’s funny when he’s sharing a cell with Bruno and Hans Erich.
Which procedures require an MD will be redefined. Following the Obamacare HHS instructions will not get anyone thrown into prison. Not following those guidelines will result in a doctor's bankruptcy or a visit by Obama Federal enforcers. It is more likely that those opposing Obamacare will end up in prison than some tech doing what used to be an MD's responsibility. Kick the tyrant out in November or the future will be bleak indeed.
What state laws mandate can be changed in a day by changing the laws. As it stands, nurses are doing more and more. Advanced-care (masters-degree) nurses have been administering anesthesia, writing prescriptions, delivering babies, and doing many other tasks that otherwise would be done by doctors.