Heading to Big Chiefs Kush for the first time? You only need two things: a valid ID and a way to pay. That’s it. Walk in, no appointment needed, at either Kansas City location. No medical card, no membership, and no online order to place first. This page covers exactly what counts as valid ID, every way you can pay, and a few other details so your visit goes smoothly. You must be 21 and older with a valid government ID.