Nathan Estrin Email & Phone Number

Chicago, IL, US

Chicago, Illinois, United States

• Collaborated with the Commercial/Medicare Payment Intelligence team, working alongside consultants and analysts to help our client identify opportunities for reimbursement on overpaid or improperly paid claims.
• Conducted in-depth analysis of DOFR (Division of Financial Responsibility) leakages, successfully identifying discrepancies and recovering more than $5 million for our client, significantly boosting their revenue.
• Utilized SQL within Snowflake to wrangle large datasets from our client containing millions of claims, creating preset queries that derived key insights and facilitated efficient stakeholder reporting.

Palatine, Illinois, United States

• Developed a machine learning model in R to predict US equity opening prices, analyzing over 10 years of historical market data in MySQL, which provided clients with actionable insights for daily trading decisions.
• Fine-tuned multiple machine learning algorithms in R, including linear regression and ensemble methods, improving prediction accuracy by 3%, which directly influenced trading strategies.
• Collaborated with a team of 5 senior data scientists and investment analysts, using Power BI to present weekly performance reports that detailed model accuracy and its impact on the clients' trading outcomes.
• Automated the data pipeline using ETL tools and integrated the predictive model into the firm’s trading platform, enabling real-time predictions that supported over $10 million in daily trading operations.

Skokie, Illinois, United States

• Managed the collection and maintenance of 200+ patient records to ensure accurate healthcare service delivery.
• Accurately entered and updated patient medical data into the EHR system for over 80 patients daily, ensuring that healthcare providers had immediate access to critical information for informed decision-making.
• Decreased patient waiting times by half by proactively recording vitals and routine measurements before the doctor’s arrival, streamlining the patient flow and enhancing overall clinic efficiency.
• Processed and accurately coded over 150 patient encounters weekly, ensuring timely and precise billing, which contributed to a significant reduction in claim rejections and faster reimbursement cycles.

Buffalo Grove, Illinois, United States

• Provided comprehensive care for 10 residents per shift, including assistance with daily activities, administering medications, and ensuring overall well-being, while maintaining a safe and supportive environment.
• Responded to an average of 2-3 medical emergencies per week, ensuring quick and effective care in critical situations.
• Maintained clear and accurate documentation for 10 residents in the EHR system each shift and reported any changes in condition to the nursing staff, facilitating continuous and coordinated care.

Bachelor Of Science - Bs, Biomedical Sciences, General, Senior

Activities and Societies: Data Science Club | Alpha Epsilon Delta Pre-Health Honors Society | Jewish Student Union | Biomedical Student.

High School Diploma

Activities and Societies: Participated in competitive volleyball for the first two years, swimming during my freshman year, DECA club my.