NUCC Provider Taxonomy
Official docs outline
5 sections- Provider taxonomy overview
Ten-character taxonomy code set and semi-annual releases.
- Code structure
Grouping, classification and specialization levels.
- Use in claims and NPPES
Taxonomy in PRV segments, CMS-1500 and NPPES records.
- 837P PRV segment
Provider specialty reporting in loops.
- NUCC code sets
Other NUCC code sets including claim form data elements.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.