USA – Are medical prescriptions written by physicians outside the United States recognized in the United States?

Are medical prescriptions written by physicians outside the United States recognized in the United States?

I am interested in medical imaging (eg MRI or X-rays) and physiotherapy sessions. (See this question regarding pharmaceutical drug prescriptions.)

Recognition (or the absence of) can occur at different levels, such as federal laws, state laws, doctors or health insurance.


Example of an MRI prescription (source):

enter the description of the image here