Healthcare Data Warehouse
Project Overview
Designed and implemented a comprehensive data warehouse solution for a regional medical center, integrating patient records from multiple hospital systems and enabling advanced analytics for clinical decision support.
Project Scope & Challenges
This project involved several key challenges that required innovative solutions:
- Integrating data from 15 different hospital departments and legacy systems
- Processing and transforming 120 million rows of historical patient data
- Ensuring HIPAA compliance and data security throughout the process
- Creating real-time ETL processes for critical patient monitoring
- Developing user-friendly reporting interfaces for clinical staff
Technical Implementation
Data Warehouse Architecture: Built a star schema data warehouse using Oracle with dimension and fact tables optimized for healthcare analytics and reporting.
ETL Development: Created robust ETL processes using Python and Talend to handle data transformation from various source systems including Epic, Cerner, and legacy databases.
Data Quality Management: Implemented comprehensive data validation and cleansing procedures to ensure accuracy of patient records and clinical data.
Real-time Processing: Developed near real-time data feeds for critical patient monitoring and alert systems using change data capture techniques.
Results & Impact
- Successfully integrated 120 million historical patient records
- Reduced report generation time from hours to minutes
- Enabled real-time clinical decision support and patient monitoring
- Improved data accuracy by 95% through automated validation
- Project delivered 2 weeks ahead of schedule and 15% under budget
Technologies Used
Database: Oracle 19c, Oracle Data Guard
ETL Tools: Python, Talend Data Integration, Oracle GoldenGate
Analytics: Oracle Analytics Cloud, Tableau
Security: Oracle Advanced Security, Data Masking and Encryption
Interested in Similar Results?
This project demonstrates the type of comprehensive database solutions I deliver for enterprise clients. Whether you're facing similar challenges or have different database needs, I'd be happy to discuss how my expertise can benefit your organization.