Mich. Comp. Laws § 333.16294: Unlawful conduct; felony.

Sec. 16294.

Except as provided in section 16215, an individual who practices or holds himself or herself out as practicing a health profession regulated by this article without a license or registration or under a suspended, revoked, lapsed, void, or fraudulently obtained license or registration, or outside the provisions of a limited license or registration, or who uses as his or her own the license or registration of another person, is guilty of a felony.