The National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy Code Set contains HIPAA-compliant codes for specifying the specialty of a provider. Other CMS data products, including the NPPES provider database, use the taxonomy codes for self-reported specialty information. The NUCC Taxonomy Code Set can be used in conjunction with other data sources to produce Provider Network Analysis diagrams.
The healthcare taxonomy code set can be downloaded in CSV format from:
You can explore the NUCC Taxonomy through a live network visualization. You can increase or decrease the number of taxonomy items shown by selecting a number with the control toggle. You can view the visualization in larger form on Google Drive.