The biggest obstacle to Medicare For All is figuring out what price you are going to pay the doctors, hospitals, and drug companies. Currently, the price being paid by Medicare is higher than Medicaid but much lower than private insurance. So if the pricing formula remains unchanged under Medicare For All plan then the doctors, hospitals, and drug companies will take a pay cut. You should expect the healthcare industry will do everything in their power to avoid this situation.
As an example, Ohio voters defeated Issue 2, Drug Price Relief Act, last November. This ballot initiative would have required the state to pay a price for prescription drugs that was not higher than the lowest price that the United States Department of Veterans Affairs pays for them. Even though these costs are a relatively minor component of Ohio’s overall health care costs, the healthcare industry fought tooth and nail to defeat this bill. If we cannot pass a relatively small ballot initiative to control health care costs, what chance do we have with a drastic overhaul like #MedicareForAll?
I was reading the latest Thoughts From The Front Line newsletter, 
For some time I have been toying with a single rate solution for some of our healthcare problems with the poor and the elderly. The disparity in prices paid for the same health care service between Medicaid, Medicare, insurance companies, and uninsured patients is the definition of insanity. It is hard to believe that we actually believe we can reform health care when we keep pricing the services the same stupid way over and over again. Pricing insanity equals lots of unintended consequences. After reading a blog post on The Incidental Economist I realize that this system is called an “