Portrait of Andrew H. Ko
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Andrew H. Ko, MD

Gastrointestinal Medical Oncology
Gastrointestinal Medical Oncology Mission Bay
415-353-9888
Portrait of Andrew H. Ko
Portrait of Andrew H. Ko
ucsf logo

Andrew H. Ko, MD

Gastrointestinal Medical Oncology
Gastrointestinal Medical Oncology Mission Bay
415-353-9888

On this page

About me

Dr. Andrew H. Ko is a specialist in digestive system cancers. He provides compassionate and individualized care for patients with cancers of the pancreas, stomach and esophagus.

In research, Ko has long been active in developing and evaluating new treatments for gastrointestinal cancers, including molecularly targeted agents and immune-based therapies.

Ko earned an undergraduate degree in applied mathematics and biology at Brown University. He earned his medical degree at the Johns Hopkins University School of Medicine. He completed a residency in internal medicine at Beth Israel Deaconess Medical Center, an affiliate of Harvard Medical School, and completed a fellowship in medical oncology at Stanford University. He joined UCSF in 2001.

Education & training

Board certification

  • Medical Oncology, American Board of Internal Med/Medical Oncology

Fellowship

  • Medical Oncology & Hematology, Stanford University Medical Center-GME

Residency

  • Internal Medicine, Beth Israel Deaconess Medical Center - East Campus

Internship

  • Internal Medicine, Beth Israel Deaconess Medical Center - East Campus

Degree

  • MD, Johns Hopkins University School of Medicine

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    222 ratings
    About provider reviews

    Showing 1-6 of 51 reviews

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    • 5 out of 5 Stars
      January 21, 2026

      I checked "very good" only because there is no "excellent" listed, which I would have checked uniformly.

    • 5 out of 5 Stars
      January 10, 2026

      Dr Ko was just what I needed without knowing what I needed. He was compassionate, knowledgeable and seemed to really grasp my situation and needs.

    • 5 out of 5 Stars
      December 18, 2025

      Dr. Ko is a fabulous physician!

    • 5 out of 5 Stars
      October 16, 2025

      Dr. Ko was easy to talk to and made me feel at ease even though I was facing a rough road.

    • 5 out of 5 Stars
      September 16, 2025

      Dr Ko makes me feel confident I am in good hands. Always.

    • 5 out of 5 Stars
      September 3, 2025

      The provider explained my case very well and gave me several options detailing each of them to better understand my situation.

    Please check with your health insurance plan regarding coverage for this type of care. Not all providers at UCSF Health are covered by every insurance plan.

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