Currently @ Elevance Health · Open to Opportunities

Murali Krishna
Bezawada

Data Scientist with expertise in Python, PySpark, and cloud platforms — specializing in forecasting, tree-based models, and NLP. Currently improving patient risk stratification and fraud detection at Elevance Health.

Python · PySpark · SQL Machine Learning NLP & LLMs Healthcare Analytics AWS · Azure · GCP Time-Series Forecasting
Murali Krishna Bezawada
Data Scientist · Chicago, IL
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Numbers That Speak

Measurable results delivered across healthcare, fintech, and logistics — each number represents real business value.

Improvement
0%
Claims AccuracyClassification accuracy via Random Forest & Gradient Boosting at Athenahealth
Reduced
0%
Default Rate DropDelinquency reduced from 5% → 2% at Elevance Health via predictive behavioral analytics
Increase
0%
Model Recall RateAchieved at American Express via ensemble methods and SMOTE resampling
Uplift
0%
Customer SatisfactionThrough advanced segmentation & targeting at American Express
🏥
Patient Risk Stratification — Elevance Health
Deployed forecasting models and predictive algorithms for high-risk patient identification using Python, Scikit-learn, and Spark. Integrated LLM-based NLP pipelines via Hugging Face for enhanced patient risk assessment.
+15% fraud detection accuracy
📋
Claims Classification Model — Athenahealth
Improved claims classification accuracy by 20% using clustering and classification models with Scikit-learn and Spark MLlib. Built ARIMA/ETS time-series forecasting models to improve financial forecasting for healthcare providers.
+20% classification accuracy
💳
Default Risk Reduction — American Express
Reduced default rates from 6% to 3% via Logistic Regression, Gradient Boosting, and ensemble methods. Cross-product adoption grew from 40% to 60% using predictive behavioral modeling and A/B testing frameworks.
Default rate halved (6% → 3%)
🚚
Demand Forecasting & Pipeline — DHL
Built PySpark ETL pipelines for demand forecasting and pricing optimization across millions of logistics records. Applied SMOTE, PCA, and feature engineering to improve forecasting accuracy for supply-chain planning.
Optimized discount allocation efficiency

Work Experience

Data Scientist
Mar 2025 – Present
Elevance Health · Waukesha, WI
  • Deployed forecasting models and predictive algorithms for patient risk stratification, fraud detection, and care optimization using Python, Scikit-learn, and Spark.
  • Improved diagnostic accuracy by 10% through deep learning models (PyTorch, TensorFlow, Keras) applied to medical image analysis.
  • Enhanced fraud detection accuracy by 15% using computer vision techniques on healthcare documentation.
  • Reduced default/delinquency rates from 5% to 2% through advanced predictive modeling and behavioral analytics.
  • Built and tuned multi-layered neural networks and LLM-based architectures with Hugging Face, GPT, and NLP models for patient risk assessment.
  • Engineered scalable ETL pipelines across Amazon Redshift, Azure Cloud, and GCP to aggregate large healthcare datasets.
  • Applied customer segmentation models (KNIME, ML clustering) — increasing customer base by 5% and portfolio growth by 9%.
  • Cross-product adoption grew from 40% to 60% leveraging predictive insights and behavioral modeling.
Data Scientist
Mar 2024 – Feb 2025
Athenahealth · Milwaukee, WI
  • Improved claims classification accuracy by 20% through clustering and classification modeling using Scikit-learn and Spark MLlib.
  • Built ARIMA/ETS time-series forecasting models to analyze billing trends and improve financial forecasting for healthcare providers.
  • Implemented NLP techniques including Word2Vec and GPT-based summarization to enhance EHR search and automate clinical documentation.
  • Applied tree-based models with hyperparameter tuning via Random Search to optimize prediction and reduce denial rates.
  • Leveraged Spark MLlib for distributed ML processing, reducing model-training time and improving scalability.
  • Built Tableau dashboards integrating Oracle and SQL data to present operational KPIs and predictive insights to executive stakeholders.
Data Scientist
Jan 2022 – Nov 2023
American Express · Mumbai, India
  • Conducted large-scale customer behavior analysis using RFM segmentation and K-Means / Hierarchical Clustering to identify high-value and at-risk customers.
  • Designed personalized recommendation systems using Collaborative Filtering and Gradient Boosting Trees — improving engagement and acquisition.
  • Reduced default rates from 6% to 3% through advanced statistical modeling and optimized customer risk profiling.
  • Achieved recall rates as high as 94% via ROC-AUC evaluation, SMOTE oversampling, and cost-sensitive ensemble algorithms.
  • Designed and executed A/B testing frameworks to optimize marketing strategies and product offerings.
  • Cross-product adoption grew from 40% → 60%; customer satisfaction improved by 60% through advanced targeting.
Data Analyst
Jun 2019 – Dec 2021
DHL · Mumbai, India
  • Built PySpark ETL pipelines for data extraction and integration from SQL Server, reducing data latency and speeding up analyst access.
  • Designed demand forecasting models assessing sales demand, price elasticity, and operational risk for supply-chain planning.
  • Developed classification models (Logistic Regression, SVM, Random Forest, AdaBoost, Gradient Boosting) to optimize customer discount strategies across millions of records.
  • Applied SMOTE, PCA, and feature engineering to address class imbalance and improve model recall for logistics datasets.
  • Developed Tableau dashboards to visualize KPIs, demand forecasts, and campaign performance metrics for real-time stakeholder monitoring.

Certifications

☁️
Microsoft Certified: Azure Data Scientist Associate
Microsoft
🟠
AWS Technical Essentials
Amazon Web Services (AWS)
📡
Get Started with Azure Stream Analytics
Microsoft
📊
SAS Certified Data Scientist
SAS Institute

Skills & Tools

Languages
PythonRSQL PL/SQLT-SQLSAS JavaC++
ML & Deep Learning
Scikit-learnXGBoostLightGBM TensorFlowPyTorchKeras SHAPOpenCV / YOLO
NLP & LLMs
Hugging FaceGPT / OpenAI Word2VecspaCy BERTLangChain
Big Data & Pipelines
PySparkApache SparkHadoop HiveAirflowKafka DatabricksAzure Data Factory
Cloud Platforms
AWS (S3, EC2, Lambda, Redshift) Azure MLGCP DockerMLflow
Visualization & BI
TableauPower BI MatplotlibSeaborn PlotlyR-Shiny

Education

M.S. in Computer Science
Concordia University Wisconsin · Mequon, WI
Jan 2024 – Dec 2025
Specialization: Data Science & Machine Learning
Graduate · Completed Dec 2025
B.Tech in Electronics & Communication Engineering
VIT-AP University · Amaravati, Andhra Pradesh
2018 – 2022
Focus: Signal Processing, Embedded Systems & Data Analytics
Undergraduate · Completed

Get In Touch

Open to Data Scientist and ML Engineer roles. Based in Chicago, Illinois — available for remote, hybrid, or on-site opportunities.