Dr Johnson Lam

Radiation Oncologist
Radiation Oncologist
Become a Patient

Dr Johnson Lam is committed to ensuring the best outcomes for all his patients through an evidence-based, caring and compassionate approach to cancer care.


Dr Johnson Lam is a radiation oncologist at Icon Cancer Centre Norwest and Icon Cancer Centre Wahroonga. He completed his Bachelor of Medicine (BMED) at the University of Newcastle and undertook specialist training across the Northern NSW Advanced Training Network at Westmead, Nepean, Gosford and Coffs Harbour Hospitals. Dr Lam became a fellow of the Royal Australian and New Zealand College of Radiologists (FRANZCR) in 2019. Dr Lam is passionate about the utilisation of PET imaging in oncology and completed a fellowship in advanced imaging at Royal North Shore Hospital. Through his radiation oncology staff specialist roles at Westmead and Blacktown Hospitals, he has gained extensive experience in managing a broad range of cancer types.

Dr Lam enjoys teaching and is a clinical lecturer at the University of Sydney. He was a learning advisor for the Sydney Medical Program and a mentor in the RANZCR Mentoring Program pilot. He continues to be active in clinical research and has presented his work in national and international conferences. Dr Lam treats a broad range of solid tumour malignancies with a special interest in breast cancer, prostate cancer, gastrointestinal cancer and lung cancer as well as lymphoma. He can converse in both English and Cantonese, and looks forward to caring for patients and their loved ones in a language they are familiar with.

Affiliations & Memberships

  • European Society for Radiotherapy and Oncology (ESTRO)
  • Royal Australian and New Zealand College of Radiologists (RANZCR)
  • Trans Tasman Radiation Oncology Group (TROG)

Special Interests

Dr Johnson Lam accepts referrals for all cancer types, with a special clinical interest in:
  • Breast cancer
  • Gastrointestinal cancer
  • Lung cancer
  • Prostate cancer

Icon Locations

Norwest View centre
Wahroonga View centre


  • Or, M., Liu, B., Lam, J. et al. A systematic review and meta-analysis of treatment-related toxicities of curative and palliative radiation therapy in non-small cell lung cancer. Sci Rep 11, 5939 (2021). https://doi.org/10.1038/s41598-021-85131-7

  • Lam, P.Sundaresan, V.Gebski, M.Veness. et al. Immunocompromised patients with metastatic cutaneous nodal squamous cell carcinoma of the head and neck: Poor outcome is unrelated to the index lesion. Head & Neck 40, 985-992 (2018) https://doi.org/10.1002/hed.25069

  • J. Lam, T. Cook, S. Foster, R. Poon, C. Milross, P. Sundaresan. et al. Examining Determinants of Radiotherapy Access – Do Cost and Radiotherapy Inconvenience Affect Uptake of Breast-Conserving Treatment for Early Breast Cancer? Clinical Oncology 27, 465-471 (2015) http://dx.doi.org/10.1016/j.clon.2015.04.034