Billing Agent IndicatorIs this a Billing Agent or Provider filing the complaint? If Yes, enter Billing Agent Name below. Preferred Contact Method MCO Contracted Are you or your provider group contracted with this MCO? MCO Contacted Have you already contacted the MCO about this issue? Related ComplaintIf Yes, please provide an explanation below in the Complaint Summary area and the original Tracking Number in the box below. Member InfoAre you uploading specific member information? If so, choose Yes and enter all Member fields below.