Call the OMHDD: 651-757-1800 or 1-800-657-3506. See how we can help!File a complaint intake form online. An ombudsman is a neutral party who investigates consumer complaints. They work with both the consumer and the organization to resolve consumer issues. The county advocate, financial worker, or other county personnel must complete the State Agency Appeal Summary. We strongly encourage you to file your complaint using our online complaint forms as it is the quickest way for us to receive and process your complaint. You must fill out the student complaint form in order for us to address your complaint. Ombudsman: Independent governmental official who hears and investigates complaints from private citizens against government and government-regulated agencies. To file a complaint or grievance.