Yes, but for insurance billing purposes, one's shaman must first possess a graduate degree from an accredited university and a license from the state in which they intend to practice. And they're going to need one psych nurse practitioner for every three patients because someone might have a bad trip. But in a group it's only $7900 each!
About three days wages for a skilled tradesman in 1670 judging by my completely unscientific 90 seconds of Google "research".