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Discovery Health finds the needles in its big data haystack

Discovery Health wanted to be able to predict members’ health problems, in addition to improving ways to identify and combat fraud. Through advanced analytics and big data technologies, it recovered R250 million in fraudulent claims last year.

The fraud recovery was enabled by a new accelerated analytics landscape built by Discovery Health, in partnership with BITanium, an IBM business partner.

The system enables the company to run three years’ worth of data through complex statistical models to deliver actionable insights in a matter of minutes. It allows for more accurate predictors for chronic conditions, helping Discovery initiate better preventative programmes; identifies possible “phantom drug” prescriptions by mining data from pharmacies and health providers; and cuts development time for predictive models. Critically, the accelerated analytics system has significantly improved fraudulent claims recovery, and allows Discovery to control the costs of its services and ensures better healthcare for its members.

With over 2.7 million members and a million rows of new claims data being generated each day, Discovery Health has vast volumes of data in its databanks. However, analysing this data previously took days to obtain results. Its new analytics system allows for improved insights in minutes.

Matthew Zylstra, Actuary, Risk Intelligence Technical Development at Discovery Health, says: “We can now combine data from our claims system with other sources of information such as pathology results and members’ questionnaires to gain more accurate insight into their current and possible future health.

“For example, by looking at previous hospital admissions, we can now predict which of our members are most likely to require procedures such as knee surgery or lower back surgery. By gaining a better overview of members’ needs, we can adjust our health plans to serve them more effectively and offer better value.”

Estiaan Steenberg, Actuary at Discovery Health, adds: “From an analytical point of view, fraud is often a small intersection between two or more very large datasets. We now have the tools we need to identify even the tiniest anomalies and trace suspicious transactions back to their sources. For example, Discovery can now compare drug prescriptions collected by pharmacies across the country with healthcare providers’ records. If a prescription seems to have been issued by a provider, but the person fulfilling it has not visited that provider recently, it is a strong indicator that the prescription may be fraudulent.

“We used to only be able to run this kind of analysis for one pharmacy and one month at a time,” says Steenberg. “Now we can run 18 months of data from all the pharmacies at once in two minutes. There is no way we could have obtained these results with our old analytics landscape.”

Nadine Shenker, Director of BITanium Analytics, comments: “Working with the team at Discovery has been an incredible journey thus far. It is inspiring to see the successful culmination of two commonly discussed concepts, namely 'big data' and 'analytics'. I believe Discovery’s achievements are partly due to the successful implementation of these technologies, but also due to the team’s camaraderie and enthusiasm. This will enable Discovery to reach new analytical heights, and we look forward to being part of the next chapter.”

The system implemented by BITanium comprises IBM SPSS Statistics, IBM SPSS Modeler, IBM SPSS Text Analytics for Surveys and IBM PureData System for Analytics (formerly IBM Netezza).

BITanium

BITanium believes that the truth lies in data. Data does not have its own agenda, it does not lie, it is not influenced by promotions or bonuses. Data contains the only accurate representation of what has and is actually happening within a business.

BITanium believes that one of the few remaining differentiators between mediocrity and excellence is how a company uses its data.

BITanium is passionate about using technology and mathematics to find patterns and relationships in data. These patterns provide insight and knowledge about problems, transforming them into opportunities.

To learn more about services and solutions from BITanium, please visit bitanium.co.za.

 

Editorial contacts

BITanium
Nadine Shenker
Director
(+27) 72 399 4122
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Red Ribbon Communications
Lizelle Cloete
(+27) 74 247 2386
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