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Data Mining Snares Health Insurance Fraud Neil Versel , Information Week, November 15, 2011

Data Mining Snares Health Insurance Fraud Neil Versel , Information Week, November 15, 2011. Shipi Kankane Prashanth Nakirekommula. The news . Applying analytics and risk- management capabilities to health insurance through LexisNexis data platforms.

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Data Mining Snares Health Insurance Fraud Neil Versel , Information Week, November 15, 2011

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  1. Data Mining Snares Health Insurance FraudNeil Versel,Information Week, November 15, 2011 ShipiKankane PrashanthNakirekommula

  2. The news • Applying analytics and risk- management capabilities to health insurance through LexisNexis data platforms. • Databases on 250 million people in the U.S. sampled from 35 billion public records. • Data analysis using its supercomputer platform, which is built on top of open-source platform (High Performance Computing Cluster) • Allows for fast queries of "massive amounts of big data.”

  3. LexisNexis HealthCare Solution • Earlier Situation: Pay and Chase model - insufficient and unsustainable • Current Solution: • Proactive - identifies and mitigates fraud throughout business workflow • Identify fraud patterns and risk indicators as they emerge.

  4. Predictive Modeling Metrics Scores Detect inherent risks Traditional Method: Single claim Claim Edit No pattern identification

  5. Predictive Analysis Definition: Predictive Analysis translates data into descriptive or predictive models using various forms of statistical analysis techniques • Classification and Regression Trees (CART) Chi Square Automatic Interaction Detection (CHAID) .  • Linear and logistic regression models • Analysis of variance • Discriminate analysis.

  6. Predictive Analysis

  7. Benefits • Early detection of fraud, waste and abuse • Prioritized results with fewer false positives • Alerts concerning adverse changes in the status of individuals or entities • Consistent control over risk, quality and costs using automated screening and monitoring • Lower claims losses, better financial management than traditional “post-payment only” methods

  8. IBM SPSS Modeler • Understand your data – Patient demographics, Hospital Information etc. • Determine your population makeup – Sampling issues, representativeness • Discover relationships in your data – Relations between various variables identified in Step 1 • Build a model – Rule induction and based on step 3 • Use model against actual records – Test for predictive power • Identify anomalies – Outliers

  9. Other Vendors • SAS datamining tool – tree based model , multianalytics approach • IBM SPSS modeler – rule induction

  10. Take Away Message

  11. References • Neil Versel , Data Mining Snares Health Insurance Fraud,  InformationWeek , November 15 ,2011 • LexisNexis® Health Care Solutions for Fraud, Waste and Abuse Prevention retrieved from lexisnexis.com • HPCC Systems (www.hpccsystems.com) • IBM Software Business Analytics, IBM Corporation, May 2011

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