How Many Registered nurses Are There in Washington?
The figure below counts providers who list the RN (Registered Nurse) credential in the national NPI registry.
Washington · NPPES, June 2026
5,048
active registered nurses list a practice address in Washington.
How this is counted: Counts NPI records listing the RN credential. Many RNs do not need an NPI, so this undercounts the total RN workforce. Records are attributed to Washington by NPPES practice-location state.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Counts reflect NPI records and are not an official workforce census.