Michigan Compiled Laws, Chapter 333. Health § 333.20176

Sec. 20176. (1) A person may notify the department of a violation of this article or of a rule promulgated under this article that the person believes exists. The department shall investigate each written complaint received and shall notify the complainant in writing of the results of a review or investigation of the complaint and any action proposed to be taken. Except as otherwise provided in sections 20180, 21743(1)(d), and 21799a,  1 the name of the complainant and the charges contained in the complaint are a matter of public record.

(2) Except as otherwise provided in section 21799a, a complainant who is aggrieved by the decision of the department under this section may appeal to the director. After review of an appeal under this subsection, the director may order the department to reinvestigate the complaint.