R.I. Gen. Laws § 5-36.1-4: Penalty for misrepresentation.

No person who is not licensed as a doctor of naturopathy may use the title of “doctor of naturopathy” or hold themselves out as a doctor of naturopathy. Any person who violates the provisions of this section shall be punished by a fine of not less than two hundred dollars ($200) nor more than five hundred dollars ($500), nor more than one year imprisonment, or by both the fine and imprisonment.