You know that you can actually charge them for practicing medicine without a license? I have other fights on my plate right now (battling the testing requirement at my child's school) but next up is filing criminal complaints against anyone who blocks my entrance for not showing medical papers. You can bring a list of the laws they're violating, and if they block your entrance call the police for harassment. Places that are open to the public are public accommodations and they can't keep you from entering for arbitrary reasons. The police won't do anything, but it puts you in the position of victim and it makes for a stronger case later when you take them to court. You might not even win in court, but if enough of us do this I think we can disrupt this nonsense. You can't have tyranny without enforcers, and almost none of these enforcers care so much about the mandates that they're willing to be dragged into court. We have lots of new legal activists these days learning how to file criminal complaints without a lawyer. It can be done!