Siva T

Data Analyst @Blue Cross Blue Shield of Massachusetts

Boston, MA, US

Data AnalystBlue Cross Blue Shield – Boston, MASep 2024–PresentDesigned and implemented ETL pipelines using Apache NiFi to integrate structured and unstructured healthcare data from FHIR APIs and HL7 messages, reducing processing time by 30%.Architected a scalable AWS S3 data lake, enabling secure storage and processing of multi-source EHR/EMR data, with governance enforced via AWS Glue.Established data governance and lineage tracking using Azure Purview, ensuring full HIPAA compliance in analytics workflows.Developed predictive models for chronic disease risk and patient readmissions using XGBoost, Scikit-learn, and SQL, improving diagnostic accuracy by 30% and reducing readmissions by 25%.Applied NLP techniques (Spacy, BERT) to analyze clinical notes and patient feedback, enhancing service personalization by 15%.Built interactive Tableau dashboards, powered by AWS Redshift, to monitor hospital KPIs, improving decision-making and cutting operational inefficiencies by 40%.Automated reporting with Excel VBA + Redshift, cutting manual reporting time in half.Orchestrated population health data workflows with AWS Step Functions, increasing the accuracy of public health analysis.Conducted advanced statistical analyses on clinical trial data while ensuring GDPR and FDA compliance.Delivered a FHIR API-based data exchange platform on AWS API Gateway, improving interoperability across EMR/EHR systems.

University of the Cumberlands

Master's