Ohio Revised Code Title XXXIX. Insurance § 3901.3810

(A) A provider or beneficiary aggrieved with respect to any act of a third-party payer that the provider or beneficiary believes to be a violation of sections 3901.381 to 3901.388 of the Revised Code may file a written complaint with the superintendent of insurance regarding the violation.

(B) A third-party payer shall not retaliate against a provider or beneficiary who files a complaint under division (A) of this section. If a provider or beneficiary is aggrieved with respect to any act of the third-party payer that the provider or beneficiary believes to be retaliation for filing a complaint under division (A) of this section, the provider or beneficiary may file a written complaint with the superintendent regarding the alleged retaliation.