Geoffrey A. Sonn MD

Surgical Oncology

Associate Professor of Urology at Stanford School of Medicine

300 Pasteur DrPalo Alto, CA 94304
Phone+1 650-723-4000

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Summary

Dr. Geoffrey Sonn is a Urologist based in Palo Alto, CA, with a subspecialty in Urologic Oncology. He completed medical school at UCLA, a residency in Urology at Stanford, and a fellowship in urologic oncology at UCLA. He has been an attending urologist at Stanford since 2013. His expertise includes prostate cancer and kidney cancer. Dr. Sonn has authored nearly 100 publications, focusing primarily on prostate cancer. He has expertise in targeted prostate biopsy, focal therapy, and robotic surgery.

Education & Training

Stanford Health Care-Sponsored Stanford UniversityResidency, Urology, 2011
Stanford Health Care-Sponsored Stanford UniversityResidency, Surgery, 2005 - 2007
Georgetown UniversityAB, American Studies, 2001 - 2005
David Geffen School of Medicine at UCLAClass of 2005

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Certifications & Licensure

CA State Medical License 2006 - 2028
American Board of Urology Urology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2016-2017

Publications & Presentations

PubMed

Prostate Cancer Detection on Micro-Ultrasound Raw Data Using a Deep Learning Neural Network.
Ahmed El Kaffas, Thodsawit Tiyarattanachai, Mirabela Rusu, Brian Wodlinger, Richard E Fan
Ultrasound in Medicine & Biology. 2026-08-01
End to end AI system for surgical gesture sequence recognition and clinical outcome prediction.
Xi Li, Nicholas Matsumoto, Ujjwal Pasupulety, Atharva Deo, Cherine Yang
NPJ Digital Medicine. 2026-06-23
Enhancing foundation model transfer for prostate cancer detection with patch-level contrastive learning.
Jeong Hoon Lee, Cynthia Xinran Li, Hassan Jahanandish, Indrani Bhattacharya, Sulaiman Vesal
NPJ Digital Medicine. 2026-06-05

Press Mentions

6 Doctors on Biden’s Cancer Diagnosis, How It May Have Arisen and His Treatment OptionsMay 20th, 2025
MAHA to Reveal Plan on Kids’ Chronic DiseasesMay 19th, 2025
Males Who Skip Prostate Screenings Could Face 45% Higher Risk of Death: StudyMarch 27th, 2025

Grant Support

Real-time prostate cancer detection on B-mode conventional and micro-ultrasound for targeting clinically significant cancer during ultrasound-only biopsiesSTANFORD UNIVERSITY2026–2031
Ethical Multimodal fusion Artificial Intelligence platform (EMAP) to bridge the gap between imaging modalities: Application to prostate cancer diagnosis.STANFORD UNIVERSITY2025–2026
Ethical Multimodal fusion Artificial Intelligence platform (EMAP) to bridge the gap between imaging modalities: Application to prostate cancer diagnosis.STANFORD UNIVERSITY2025–2026
Ethical Multimodal fusion Artificial Intelligence platform (EMAP) to bridge the gap between imaging modalities: Application to prostate cancer diagnosis.STANFORD UNIVERSITY2025–2026