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 Cardiology Fellowship-GME

Residency

  • Internal Medicine, UCSF Cardiology Fellowship-GME

Internship

  • Internal Medicine, UCSF Cardiology Fellowship-GME

Degree

  • MD, University of Massachusetts Medical School

Locations

    My research

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    145 ratings
    About provider reviews

    Showing 1-6 of 41 reviews

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    • 4.9 out of 5 Stars
      March 25, 2026

      Dr. Buckle was great and provided me with confirmation of my treatment regimen at John Muir. Very professional and I am very glad I got to meet him and discuss my situation with him. He was top notch!

    • 5 out of 5 Stars
      March 21, 2026

      Dr. Buckle was excellent in allowing me to opine on my treatment.

    • 5 out of 5 Stars
      March 5, 2026

      Walked me through everything and all my questions

    • 5 out of 5 Stars
      February 13, 2026

      Dr. Buckle is exceptionally knowledgeable and compassionate.

    • 5 out of 5 Stars
      February 4, 2026

      Dr. Buckle is wonderful

    • 5 out of 5 Stars
      December 16, 2025

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

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