Mich. Comp. Laws § 500.3406l

Sec. 3406l. (1) Except as otherwise provided in subsections (2) and (3), an insurer that delivers, issues for delivery, or renews in this state a health insurance policy that provides benefits for emergency services shall provide for direct reimbursement to any provider of covered medical transportation services or shall provide that payment be made jointly to the insured and the provider, if the provider has not received payment for those services from any other source. (2) Subsection (1) does not apply to a transaction between an insurer and a medical transportation service provider if the parties have entered into a contract providing for direct payment. (3) An insurer for a policy issued under section 3405 does not have to provide for direct reimbursement to any nonaffiliated or nonparticipating provider for medical transportation services that were not emergency health services as described in section 3406k. (4) This section does not apply to a health maintenance organization contract.