• Physician Profile

    Marios Giannakis, MD, PhD

    Marios Giannakis, MD, PhD

    Instructor in Medicine, Harvard Medical School


    Gastrointestinal Cancer

    Office phone: 617-582-7263
    Appointment phone: 617-632-5929
    Fax: 617-632-5370

    Preferred contact method: office phone
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    Medical Oncology


    Gastrointestinal cancers

    Dana-Farber Cancer Institute
    450 Brookline Avenue
    Boston, MA 02215


    Dr. Giannakis received his undergraduate degree from the University of Toronto in 2001 and his medical and doctoral degrees from Washington University School of Medicine in 2009. He subsequently completed his Internal Medicine residency at Brigham and Women’s Hospital and his fellowship in Medical Oncology and Hematology at Dana-Farber Cancer Institute.

    Dr. Giannakis is a medical oncologist and clinical investigator at the Dana-Farber Gastrointestinal Cancer Center. He also conducts research at Dana-Farber and the Broad Institute of MIT and Harvard to understand the molecular mechanisms of colorectal cancer formation and develop novel targeted and immune-based treatments for gastrointestinal cancers.


    Board Certification
    Hematology, 2014
    Medical Oncology, 2014
    Internal Medicine, 2012

    Dana-Farber/Partners CancerCare, Medical Oncology and Hematology

    Brigham and Women's Hospital, Internal Medicine

    Medical School
    Washington University School of Medicine, 2009

    Graduate School
    Washington University School of Medicine, PhD

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