October 22-23, 2018 | Boston, MA

How Northwell Health's multi-pronged approach to data cleansing aims to improve care

A proof of concept on one IT vendor's approach matched 87 percent of duplicate records.

Northwell Health has taken several steps over the past two years to reduce both the backlog and creation of potential duplicate records within the health system.

First, Northwell contracted with Just Associates to work as an extension of the centralized business operations team to oversee resolving the worklist queue for the health system, which comprises 23 hospitals and more than 500 physician practices.

Under the leadership of Rebecca Way, director of revenue cycle business operations at Northwell, Just Associates helped resolve more than 200,000 potential duplicates. This took roughly a year to whittle down.

Second, around the same time, Northwell Health implemented InterSystems' HealthShare Patient Index to leverage probabilistic and deterministic logic to link records across Northwell's various information systems.

Based on a weighted algorithm, the patient index automatically links those records that meet defined criteria. The patient index works in conjunction with Northwell's master patient index from Allscripts to reduce potential duplicates from 700 to a little more than 300 a day.

Third, automated scripts were ...

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