Ensuring patient safety and managing errors is a significant goal of radiation oncology centers. MERP provides a comprehensive solution for error reduction and benchmarking quality in radiation oncology. MERP is a real-time, interactive error reduction and compliance software program designed to reduce preventable system-related medical errors as well as violations of regulatory requirements. MERP's non-intrusive data collection allows for timely information assimilation, analysis, and action plans. MERP complies with patient safety initiatives established by The Joint Commission, professional organizations, and state regulatory agencies. MERP provides a practical solution for minimizing risk and improving patient safety.