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Katherine Van Loon


Gastrointestinal oncologist

Dr. Katherine Van Loon is a specialist in gastrointestinal cancers, with a particular interest in colon cancer.

With a background in public health, Van Loon's research is focused on epidemiology – the study of which populations develop diseases and which factors contribute – as well as outcomes in gastrointestinal malignancies. She has a long-standing interest in global health and has also studied the epidemiology of gastrointestinal cancers in the developing world.

Van Loon earned her master's degree in public health from the Yale School of Public Health before attending the Medical College of Georgia. She completed a residency in internal medicine at Beth Israel Deaconess Medical Center, a teaching hospital of Harvard Medical School. She came to UCSF for a fellowship in oncology in 2009.

Van Loon is a member of the American Society of Clinical Oncology (ASCO). She received a Young Investigator Award from the ASCO Conquer Cancer Foundation in 2012.

  • Education

    Medical College of Georgia, 2006

  • Residencies

    Beth Israel Deaconess Medical Center, Harvard Medical School, Internal Medicine, 2009

  • Fellowships

    UCSF Medical Center, Oncology, 2011

  • Board Certifications

    Medical Oncology, American Board of Internal Medicine

  • Academic Title

    Associate Professor

Where I see patients (1)

    My reviews


    Overall Experience
    71 Ratings
    About our process
    Sep 06, 2023
    Every interaction has been positive.
    Jun 16, 2023
    The doctors who tended me are excellent I would recommend them are the best
    May 17, 2023
    Dr. Vanloon she is an excellent oncologist. Thanks to her guidance and decision making my cancer treatments are going well.
    Feb 01, 2023
    She was excellent. Fully informed about my condition explained the treatment and reasons for it and was clearly intelligent and anxious to help.
    Dec 14, 2022
    All was good