The Essentials of Population Health: Ten Things You Need to Know – #4

How do we get the data? How do you insure data integrity? How is data updated?
The first task of a PHM platform vendor is to extract the relevant clinical and financial data that will populate
the PHM platform’s data warehouse. For clinical data, the main source will be the practice’s own EHR, other
EHRs within the same delivery system, data feeds from regional HIEs (as needed) and lab interfaces.

Adjudicated claims (i.e. claims that have been processed and paid for by the health plan/payer) come
directly from a payer data feed, which of course requires payer support and participation.

In some cases, the PHM platform performs an ETL (extract, transform, and load) function from certain data
sources. In other cases, the data is transferred via automated interfaces. Once in the warehouse, the data
undergoes a variety of procedures that normalize, standardize, and synchronize the data to prepare it for
analysis. The platform also applies master patient index algorithms that identify each unique individual/
patient, with duplicates or errors eliminated. This process is critical to insure data usability and integrity.

Data is updated nightly in the case of clinical data. This is important as this data drives care management
interventions and these are best supported by frequent and regular refreshing of the data. Claims data is
typically updated monthly. This is usually sufcient as the insights derived from claims are less impacted
by daily or hourly variations

This blog comes from a white paper published by EHR Integration Services and EagleDream Health.
Click here to read the white paper in its entirety, or visit our blog regularly to read all Top Ten
Essentials of Population Health.

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