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Unlocking Statewide Healthcare Insights with a Unified Data Platform

About WHIO

The Wisconsin Health Information Organization (WHIO) manages the state’s largest All-Payer Claims Database (APCD). It aggregates claims, clinical, and provider data across Wisconsin, serving payers, providers, employers, and state agencies to drive healthcare quality and cost transparency initiatives.

The Challenge

Integrating multiple payer and provider data sources with inconsistent standards

Limited real-time insights to support statewide outcomes and cost transparency

Gaps in governance, validation, and data quality assurance

High operational overhead from manual ingestion and reporting

The Breakthrough with WellStack

WellStack deployed a unified, enterprise-grade data platform that

Automated ingestion and quality checks across claims, clinical, & provider datasets

Delivered clean, analytics-ready data to support statewide initiatives

Standardized and validated APCD data for accuracy and completeness

Enabled 17 payer organizations to act on insights for improving quality and affordability

Coverage at Scale

unique members represented
0 M+
records processed
0 M+
data sources ingested (payers, Medicaid, CMS, employers)
0 +
of standardized healthcare data managed
0 TB

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