Mich. Comp. Laws § 333.26455

Sec. 5. A licensing board or disciplinary subcommittee shall not revoke, fail to renew, suspend, or take any action against a health care provider's license issued under article 15 or 17 of the public health code, 1978 PA 368, MCL 333.16101 to 333.18838 and 333.20101 to 333.22260, based solely on the health care provider's recommendations to an eligible patient regarding access to or treatment with an investigational drug, biological product, or device. An entity responsible for medicare certification shall not take action against a health care provider's medicare certification based solely on the health care provider's recommendation that a patient have access to an investigational drug, biological product, or device.