The US purposefully lowered the amount of doctors in the 90s. If anything we should be creating more need schools and creating more doctors.
Evidence to the limitations. https://skeptics.stackexchange.com/questions/4561/does-the-a...
Here's the article I read a few years back that made me think this is the case:
I know it's mises.org, so hold the pichforks until the end. Even if they're way off base, there's got to be some value to be gleaned: