In Washington, this information can be gleaned on a small scale from the Department of Health's Provider Credential Search - https://doh.wa.gov/licenses-permits

In Washington, this information can be gleaned on a small scale from the Department of Health's Provider Credential Search - https://doh.wa.gov/licenses-permits-and-certificates/provider-credential-search https://doh.wa.gov/licenses-permits-and-certificates/provide... And the higher volume Open Data Portal dataset: https://data.wa.gov/Health/Health-Care-Provider-Credential-Data/qxh8-f4bd https://data.wa.gov/Health/Health-Care-Provider-Credential-D...