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Louis J Cohen, MD Email Louis Cohen

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Mount Sinai Doctors ?
    • Position
    • ASSISTANT PROFESSOR | Medicine, Gastroenterology
    • Specialty
    • Gastroenterology
    • Language
    • English
    • Hospital Affiliations
    • The Mount Sinai Hospital
    • Mount Sinai Brooklyn
    • Mount Sinai Beth Israel
    • Mount Sinai Morningside and Mount Sinai West
    • Mount Sinai Queens

Louis J. Cohen, MD, is an Assistant Professor and practicing gastroenterologist in the Department of Medicine, Division of Gastroenterology. He is board certified in Internal Medicine and Gastroenterology. His clinical interests focus on patients with inflammatory bowel disease and other inflammatory disorders of the bowel.  He is a scientific advisor to the Hermansky Pudlak Syndrome Network to aid in the clinical care of patients with Hermansky Pudlak Syndrome throughout the US. 

In addition to his medical degree, Dr. Cohen has a Masters in Translation Research from The Rockefeller University, in New York City where he studied in the laboratory of Dr. Sean Brady.

Dr. Cohen is an NIH-funded researcher whose basic science focus is on host-microbial interactions.  His current clinical research trials can be found at and include a trial on the use of autologous stem cell transplant for the treatment of Crohn’s disease.  His research has been published in a multitude of peer-reviewed journals and books and he is an internally and nationally invited lecturer and presenter.

For more, please read: Volatility of the Gut Microbiome Tied to IBD

Dr. Cohen is registered to provide telehealth services in Florida.



Clinical Focus

Research Topics

Drug Design and Discovery, Immune Deficiency, Immunology, Inflammation, Metabolomics, Molecular Biology, Mucosal Immunology, Opioid/Cannabinoid Receptors


MD, Tufts University School of Medicine

MS, Rockefeller University

Residency, Internal Medicine
Massachusetts General Hospital

Fellowship, Gastroenterology
Mount Sinai Hospital