Medicaid Management Information System – The MMIS is an integrated group of procedures and computer processing operations (subsystems) developed at the general design level to meet principal objectives. For Title XIX purposes, “systems mechanization” and “mechanized claims processing and information retrieval systems” is identified in section 1903(a)(3) of the Act and defined in regulation at 42 CFR 433.111. The objectives of this system and its enhancements include the Title XIX program control and administrative costs; service to recipients, providers and inquiries; operations of claims control and computer capabilities; and management reporting for planning and control.
Further reading
https://www.medicaid.gov/medicaid/data-and-systems/mmis/modules/index.html