Vilija Joyce, MS

Healthcare data scientist and Associate Director, VA Health Economics Resource Center

I turn claims, EHR, and clinical trial data into real-world evidence and tools that shape care for Veterans.

Portrait of Vilija Joyce

24 years at the VA Health Economics Resource Center

  • Data Scientist2022 to present
  • Associate Director2021 to present
  • Research Associate2006 to 2022
  • Research Assistant2002 to 2006
  • M.S., Health Services ResearchStanford University

Current roles, held concurrently. B.A., Economics, UCLA.

Selected work

Standardizing community care claims

Led adoption of the open-source Tuva healthcare data model to put VA community care claims into one analysis-ready structure, taking it from discovery to production. Owned data quality validation with QA dashboards.

Azure Databricks, dbt, SQL

Detecting emerging drug threats in clinical notes

Led annotation teams and built reference datasets to develop, validate, and monitor an LLM-based framework that flags emerging drug threats in clinical text. Wrote SQL procedures that track pipeline output weekly.

LLMs, NLP, SQL, Python

A harm reduction dashboard built on NLP

Launched the first VA nationwide clinical operations dashboard to use NLP data, combining structured records with information extracted from patient notes. Trained 24 subject matter experts to use it.

Power BI, NLP, SQL

Tracking pregnancy outcomes for Veterans

Built a pipeline that identifies pregnancy episodes, births, and losses from VA and community care claims. It feeds a national dashboard and congressionally mandated quarterly reports on severe maternal morbidity.

SQL, SAS, Power BI, ICD-10, CPT, DRG

Selected publications

20+ peer-reviewed articles on maternal health, opioid use disorder, health care costs, and statistical methods. Full list on Google Scholar.

Skills

Programming and data
SQL, Python, R, SAS, Stata, Azure Databricks, dbt, Snowflake, Git/GitHub
AI and analytics
LLMs, NLP, machine learning, Power BI, Tableau
Methods
Causal inference, survival and mixed-effects models, cost-effectiveness analysis
Healthcare data
Claims, EHR, OMOP, Medicare, clinical trials; ICD-10, CPT, and DRG coding

Get in touch

I'm based in the San Francisco Bay Area. Email is the best way to reach me.