A Fraud Nurse Investigator is a registered nurse who examines medical claims for signs of fraud, waste, or abuse. They analyze patient records, billing practices, and provider documentation to ensure compliance with healthcare regulations. Their role helps prevent fraudulent activity, protect insurance companies from financial losses, and ensure patients receive appropriate care. Fraud Nurse Investigators typically work for insurance companies, government agencies, or healthcare organizations. Strong analytical skills, clinical knowledge, and attention to detail are essential for success in this role.