How Many Doctors Are There in Washington?
The figure below counts providers who list a physician credential — MD (Doctor of Medicine) or DO (Doctor of Osteopathic Medicine) — in the national NPI registry.
Washington · NPPES, June 2026
28,144
active doctors list a practice address in Washington.
How this is counted: Counts NPI records listing an MD or DO credential. This reflects registered identifiers, not an official active-workforce census, and excludes physicians who do not list these credential strings. 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.