Dr. Ghiam is an American and Canadian Board-Certified Radiation Oncologist with the Stanford Medicine Cancer Center and a Clinical Associate Professor in the Department of Radiation Oncology at Stanford University School of Medicine. After completing an MSc in Molecular Biology & Genetics at the University of Montreal, he completed a residency in Radiation Oncology and fellowship in Head & Neck and GU radiation oncology at the University of Toronto.

He diagnoses and treats various conditions specializing in head & neck cancer, genitourinary malignancies, and metastatic disease. His treatment expertise includes oligometastatic disease, palliative radiation therapy, stereotactic ablative radiotherapy, and proton therapy.

Dr. Ghiam has contributed to the field through his authorship of technology- and biology-based publications and collaboration in clinical trials. He has been recognized by awards from the American Society for Radiation Oncology (ASTRO), the Canadian Association of Radiation Oncology (CARO), and the Universities of Toronto and Pennsylvania. In recognition of his educational work, he received two prestigious teaching awards for teaching residents and medical students. He has presented his research work nationally and internationally and authored and co-authored several papers.

Dr. Ghiam's interest lies in exploring novel AI-powered technologies that can enhance patient outcomes, and bridge health equity gaps in radiation oncology. He is also interested in clinical trials of innovative radiation therapy techniques with a focus on leveraging technology and biology to reduce toxicity and increase precision.

Dr. Ghiam is dedicated to academia, education, and diversity. He is committed to improving patient outcomes and changing the role of supportive care in radiation oncology by promoting quality standards and utilizing palliative radiotherapy to enhance the quality of life for his patients.

Dr. Ghiam practices evidence-based care with compassion and treats his patients as he would his own family.

Clinical Focus

  • Radiation Oncology

Academic Appointments

Honors & Awards

  • Giulio D’Angio Teaching Award, University of Pennsylvania (2019)
  • Association of Residents in Radiation Oncology (ARRO) Educator of the Year Award, ARRO (2018)
  • The Citizenship Award for Exemplary Commitment and Teamwork, University of Pennsylvania (2017)
  • ASTRO Basic/Translational Science - Junior Investigator Radiation and Cancer Biology Award, ASTRO (2016)
  • Canadian Association of Radiation Oncology (CARO) Fellowship Award, CARO (2015)
  • Postgraduate Medical Trainee Leadership Award, University of Toronto (2014)
  • ASTRO's 55th Annual Meeting Resident Best Clinical/Basic Science Research Award, ASTRO (2013)
  • PSI Foundation Resident Research Prize, Postgraduate Medical Education, University of Toronto (2013)
  • Bourses des programmes de Biologie Moléculaire, Université de Montréal (2006)
  • Bourse d’exemption des droits de scolarité supplémentaires, Université de Montréal (2005)

Boards, Advisory Committees, Professional Organizations

  • Member, American Society for Radiation Oncology (ASTRO) (2013 - Present)
  • Member, Radiosurgery Society (2019 - Present)