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Leonard O. Barrett, M.D.
United States Marine Corps 1974
Iona College (B.S. 1978)
SUNY Brooklyn NY (M.D. 1983)
SUNY Stony Brook General Surgery Residency (1983-1989)
Winthrop Uni. Hospital/SUNY Stony Brook Surgical Critical Care Fellowship (1989-1990)
Beth Israel Med Center Newark NJ Cardiothoracic Surgery (1990-1993)
Chief, Thoracic Surgery and Director of Surgical Critical Care at Nassau Uni Med Center from (1993-P
surgical critical care