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

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

Andrew H. Ko, MD

Medical Oncology (Gastrointestinal Cancer)
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

Academic title

  • Clinical Professor

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    221 ratings
    About provider reviews

    Showing 1-6 of 71 reviews

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    • 5 out of 5 Stars
      July 16, 2026

      My family and I were very impressed with the care received and the time they took explaining everything in detail, never felt they were in a rush and they all showed kindness and a positive attitude which makes everything so positive even in the myths of despair.

    • 4.9 out of 5 Stars
      July 12, 2026

      Dr. Ko was patient and kind during our visit. He took extra time to answer all of my questions and go over treatment options. I would not hesitate to recommend Dr. KO.

    • 5 out of 5 Stars
      July 9, 2026

      Dr Ko is very experienced and explains things clearly to the patients. And very friendly too.

    • 5 out of 5 Stars
      June 24, 2026

      Very happy with our doctor. He took the time to cover the history of our treatment so far and gave us helpful information about moving forward in the treatment.

    • 5 out of 5 Stars
      June 23, 2026

      Dr Ko was incredibly helpful.

    • 5 out of 5 Stars
      June 9, 2026

      Dr. Ko is a very knowledgeable professional with excellent communication skills and a compassionate attitude.

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    The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public.