mauricedalton/cms-nppes

CMS NPPES — historical annual snapshots Historical CMS National Plan and Provider Enumeration System (NPPES) files ingested from the NBER NPPES mirror (https://data.nber.org/npi) and staged as annual, analysis-ready Parquet (zstd-compressed). The pipeline crawls the NBER directory, downloads the source files, converts and unifies them, then validates the National Provider Identifier (NPI) via Luhn check, uniqueness, and a cross-check against the raw CMS extract before promoting… See the full description on the dataset page: https://huggingface.co/datasets/mauricedalton/cms-nppes.