Priyanka Kilaru

Data Analyst @UnitedHealth Group

TX, US

Analyzed over 1 million patient health records daily using advanced SQL queries (complex joins, subqueries, window functions) across multiple healthcare databases to enable personalized care models and reduce query execution time by 50%. Engineered and trained machine learning models in Python (Scikit‑learn, TensorFlow) to improve readmission risk prediction AUC by 18%, enabling precise early‑intervention strategies. Designed and deployed interactive Power BI dashboards integrated with Snowflake and AWS Redshift real‑time data feeds, accelerating clinical stakeholder decision‑making by 30%. Integrated unstructured clinical notes from MongoDB with structured EHR datasets, enhancing model input quality and increasing feature coverage by 25%. Automated data pipelines by developing scalable Alteryx workflows and orchestrating AWS Lambda scheduled jobs, reducing data‑processing time from hours to minutes.