During September 2025, Alex Golts enhanced data ingestion flexibility for the fuse-med-ml repository by developing a feature in OpReadDataframe that allows retention of the index column when loading dataframes. This Python-based solution introduced an option flag, enabling users to preserve index information and thereby improve data lineage and reproducibility in machine learning workflows. Alex applied skills in data engineering, configuration management, and code linting, ensuring the enhancement integrated smoothly with existing code and version control practices. The work addressed issue #411, reducing the need for post-load data wrangling and supporting more reliable downstream analytics and model training pipelines.