Portrait of Geoffrey Buckle
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Geoffrey Buckle, MD, MPH

He | Him | HisGastrointestinal Medical Oncology
Gastrointestinal Medical Oncology Mission Bay
415-353-9888
Portrait of Geoffrey Buckle
Portrait of Geoffrey Buckle
ucsf logo

Geoffrey Buckle, MD, MPH

He | Him | HisGastrointestinal Medical Oncology
Gastrointestinal Medical Oncology Mission Bay
415-353-9888

On this page

About me

Dr. Geoffrey Buckle is a medical oncologist who specializes in caring for patients with gastrointestinal cancers.

Buckle's research focuses on improving outcomes for people with cancer in underserved settings, with a particular focus on the growing cancer burden in sub-Saharan Africa. He studies region-specific risk factors for cancer and is working on developing ways to improve early cancer detection.

Buckle earned his medical degree at the University of Massachusetts Medical School. He completed a residency in internal medicine and a fellowship in medical oncology at UCSF. He also completed a master of public health degree at the Johns Hopkins Bloomberg School of Public Health.

Buckle is a member of the UCSF Global Cancer Program, American Society of Clinical Oncology and African Organisation for Research and Training in Cancer. In 2022, he received a Global Oncology Young Investigator Award from the Conquer Cancer Foundation of the American Society of Clinical Oncology.

Education & training

Board certification

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

Fellowship

  • Medical Oncology, UCSF Graduate Medical Education

Residency

  • Internal Medicine, UCSF Graduate Medical Education

Internship

  • Internal Medicine, UCSF Graduate Medical Education

Degree

  • MD, University of Massachusetts Medical School

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    142 ratings
    About provider reviews

    Showing 1-6 of 36 reviews

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    • 5 out of 5 Stars
      December 16, 2025

      Provider and team have helped me along the way, and always reached out to me proactively.

    • 5 out of 5 Stars
      December 5, 2025

      Dr. Buckle is very caring and thoughtful. I am grateful for his involvement in my care and trust his guidance and his willingness to help. He is a blessing in my life.

    • 5 out of 5 Stars
      December 4, 2025

      Dr Buckle is very thorough and patient with his explanations even when he has to repeat them to be sure I understand.

    • 5 out of 5 Stars
      November 26, 2025

      Dr Buckle is kind and informative. He was very well prepared about my treatment plan and provided all the information I sought

    • 5 out of 5 Stars
      November 12, 2025

      Dr Buckle is emphatic and answered all my questions

    • 5 out of 5 Stars
      October 17, 2025

      Dr Buckle was informed & informative. He was empathetic. It was clear that he had reviewed the medical records & was prepared for the visit

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