Rafael Yitzhak Lefkowitz, MD, MPH

Instructor in Medicine (Occupational Medicine)

Departments & Organizations

Occupational & Environmental Medicine

General Internal Medicine

Yale Medical Group


Dr. Lefkowitz combines his training in occupational-environmental medicine (OEM) and background in chemistry/biochemistry to understanding complex exposures and toxidromes in Yale OEM patients. His major research project focuses on describing and analyzing work-related exposures and medical conditions in seafarers, a highly vulnerable and globally essential working population.

In his spare time he enjoys precious moments with his wife and three children. Although he completed medical school and internal medicine residency in California, he remains a proud Baltimore native.

Education & Training

MPH Yale (2013)
MD UCLA School of Medicine (2008)
BS University of Maryland at College Park (2004)
Fellowship Yale University School of Medicine
Residency Cedars-Sinai Medical Center
Internship Cedars-Sinai Medical Center
Board Certification AB of Internal Medicine, Internal Medicine (2011)
Board Certification AB of Preventive Medicine, Occupational Medicine (2014)

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Contact Info

Rafael Yitzhak Lefkowitz, MD, MPH
Patient Care Location
Yale Occupational & Environmental Medicine135 College Street, Ste 3rd Floor
New Haven, CT 06510
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Mailing Address
Yale Occupational & Environmental MedicinePO Box 208056
New Haven, CT 06520-8025