The following Standard Vocabularies are defined for the Provider domain:
- CMS Specialty Codes, maintained by the Centers for Medicare and Medicaid Services – vocabulary_id 48.
- NUCC Health Care Provider Taxonomy, maintained by the National Uniform Claims Committee – vocabulary_id 47.
Both coding systems are used for defining the provider specialty and can be used in parallel. CMS Specialty Codes are implemented as concept_level 2, NUCC as concept_level 1. Relationship_id 296 links CMS Specialty concepts to the equivalent NUCC Healthcare Provider concepts. In the concept_ancestor table, CMS Specialty concepts are ancestors to NUCC concepts.
Provider domain concepts are listed in the Source_To_Concept_Map as records linking the codes to the corresponding concept_ids. No other mapping information is available.