I think without any kind of documentation most Doc's would deny you. Mainly because well not that you would but you could be completely making it up. They want to see a paper trail in case the Feds try to start pointing fingers. Oregon has a law called "lesser of Evils". So you don't technically need a OMMP card. Without the card however you will go to jail and be thrown into legal system. You may eventually beat the charge/s, but man what a waste of money. Starting getting medicals records formed. Do it legit and you'll have no worries.