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Gary Weissman

Assistant Professor of Medicine

Gary Weissman



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Woodworking, Ultimate Frisbee, Computer Programming


Dr. Gary Weissman's research is focused on the longitudinal pathways of people with critical illness as they move from the community through the healthcare system, and on how clinical informatics approaches can best support their care at each step. His methodologic interests include machine learning, natural language processing, and social network analysis.


Dr. Weissman is a physician specializing in critical care medicine and cares for people in the medical intensive care unit at the Hospital of the University of Pennsylvania. Dr. Weissman completed his undergraduate degree in Physics at Dartmouth College, received his medical degree from the Sidney Kimmel Medical College at Thomas Jefferson University, and completed a residency in internal medicine at the Hospital of the University of Pennsylvania. During his residency he trained in both the Primary Care and Global Health Tracks, which included clinical work at the Penn Refugee Clinic and Puentes de Salud in Philadelphia, and at the Princess Marina Hospital in Gaborone, Botswana. He then completed a fellowship in Pulmonary and Critical Care Medicine at the Hospital of the University of Pennsylvania during which time he also received a Master of Science in Health Policy Research. Prior to attending medical school he worked as a technology strategy consultant for non-profit organizations in Philadelphia, as the founder of a rural internet cafe in El Salvador, and as a research consultant at the Perelman School of Medicine developing computer models of screening decisions in women at high risk for breast cancer.


Dr. Weissman lives with his wife and three children. He enjoys spending time outdoors with his family, playing ultimate frisbee, and building things out of wood.

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