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How to verify a license, what the state license files show, and which sourcing tools fit which hire, written from the boards' own files and each vendor's own pages.
Featured reportOctober 14, 2026 · 7 min read
We counted 8,128,200 active licenses across six professions in the state boards' own files and the ARRT registry. Registered nurses hold 69% of them, and New York holds the most per resident.
Read the reportWe counted 8,128,200 active licenses across six professions in the state boards' own files and the ARRT registry. Registered nurses hold 69% of them, and New York holds the most per resident.
How to search the Pennsylvania Licensing System in five steps, what each status means, and when MDs and DOs renew.
How to search the ARRT's Verify Credentials directory, what each field and status means, and how an ARRT credential differs from a state license.
How to search the Texas Medical Board's lookup in five steps, what each status means, and how renewal and expiration work.
Five sourcing tools picked for who each is best for, compared on who they reach, how you contact candidates, where the data comes from and what a year costs.
How each finds and reaches candidates, what three recruiters pay in a year on each, and who each one fits.