Hi, I'm Raj Tyagi

Clarity over complexity. I design data systems and analytics that make decisions more obvious, not more complicated. Built over 6+ years in healthcare.

View ProjectsGet in Touch
GitHub ↗LinkedIn ↗Email ↗

Expertise

Technical Skills

Stack I use to build end-to-end data solutions.

Core Stack

SQL
Power BI
Tableau
Data Modeling
Python
Databricks

Data & Platform

Data Governance
ETL
Azure
PySpark

Healthcare Domain

US Healthcare
RCM
HIPAA
Clinical & Financial
EMR / EHR

Portfolio

Featured Projects

Real-world solutions in analytics, AI, and data engineering.

🏥
Analytics

Healthcare KPI Dashboard

Executive-level Power BI dashboard tracking patient outcomes, bed occupancy, and departmental efficiency across 5 hospitals.

Reduced monthly reporting time by 60%

Power BI · SQL Server · DAX

GitHub ↗
🤖
AI

Patient Readmission Predictor

ML model to predict 30-day hospital readmissions using historical EHR data, helping clinical teams intervene early.

Achieved 82% prediction accuracy

Python · Scikit-learn · Pandas

GitHub ↗
🛢
Data Engineering

Claims Analytics Pipeline

End-to-end ETL pipeline processing 2M+ insurance claims monthly with automated anomaly detection and reconciliation.

Eliminated 95% of manual reconciliation effort

Python · Airflow · PostgreSQL

GitHub ↗
🔐
Data Masking

PHI Data Masking Engine

HIPAA-compliant data masking solution for Protected Health Information across 12 data sources in a healthcare data warehouse.

100% HIPAA compliance — passed external audit

Python · Presidio · AWS Glue

GitHub ↗

Writing

Blog & Articles

Thoughts on analytics, data systems, and engineering.

APR
16
AI & Healthcare

Enhancing Post Acute Care with AI: From Reactive to Predictive

How AI is transforming post acute care settings — from skilled nursing to home health — by predicting readmissions, automating documentation, and surfacing insights clinicians actually use.

📖 6 min read · Read more →

JAN
22
Analytics

Building Executive Dashboards That Actually Get Used

Most dashboards are ignored. Here's how I design BI solutions that drive real decisions in healthcare.

📖 6 min read · Read more →

DEC
10
Data Engineering

SQL Patterns Every Analyst Should Know

Window functions, CTEs, and query optimization techniques from 6 years of production SQL.

📖 8 min read · Read more →

NOV
03
Healthcare

HIPAA-Compliant Data Masking: A Practical Guide

How to build a PHI masking pipeline that passes audits without breaking your analytics.

📖 7 min read · Read more →

Let's Talk

Contact & Resume

Open for full-time roles, consulting, and collaborations.

✉
🔗
💻
📍

Location

Noida, Uttar Pradesh, India

↓ Download Resume (PDF)