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National Health Insurance Service (NHIS) (2025) Report (government / official)

Illegality and Fraud Information System in NHIS – Fraud Detection

NHIS Global Hub

Ref: SRC-003-KOR-001

Accessed: 3/24/2026

Summary

Accessible NHIS Global Hub slide deck on the Illegality and Fraud Information System. Documents that NHIS uses big-data analysis techniques to detect illegal establishments and fraudulent claims, added an AI prediction model in 2021, piloted the AI prediction and social network models in 2022, and operationalises the system through NHIS data marts, composite indicators, prediction models, and investigator review workflows.

View Harvard reference

National Health Insurance Service (NHIS) (2025). Illegality and Fraud Information System in NHIS – Fraud Detection. Wonju: NHIS Global Hub. Available at: https://nhis-globalhub.com/images/qr/202502/pdf/1105_14.pdf (Accessed 24 Mar 2026).