As a trusted medicare administrative contractor (mac) for cms, noridian processes medicare part a and part b (a/b) medical claims and durable medical equipment (dme) claims for medicare fee-for …Exclusions to this include time sensitive related announcements such as:Noridian and cms educational events, ask-the-contractor teleconferences and claims processing downtime.Connect with us active lcds appeals claim submission fee schedules noridian medicare portal (nmp) register for an education event