New York
Office of the Professions
LEFF IRVING LEONARD
Medicine (Physician, Including M Ds & D Os)
License number
042759
Date granted
12/08/1944
Class
Medicine (Physician, Including M Ds & D Os)
Status
Not Registered
nymedicine.org
ID 30200404
LAST UPDATED 2026-05-18 18:24:49 UTC
LAST UPDATED 2026-05-18 18:24:49 UTC
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