Dr Tim Benepal

Dr Tim Benepal is a Consultant Medical Oncologist and expert witness at St George’s University Hospitals NHS Foundation Trust, where he also holds an Honorary Senior Lecturer role. His principal clinical expertise lies in thoracic malignancies and lung oncology, with specialist interests in complex systemic anti-cancer treatment, oncological emergencies, immunotherapy, treatment toxicity, lung cancer staging and diagnosis, and molecular profiling.

His clinical background encompasses extensive experience in the management of common solid malignancies as well as less common tumour types, including soft tissue sarcoma, renal cell cancer and haematological malignancies. His practice includes the use of high-dose and intrathecal chemotherapy, monoclonal antibodies and targeted treatments.

Dr Benepal also undertakes a range of oncology-related procedures, including central and PICC line insertion, chest drain insertion, liver biopsy, pleural aspiration and biopsy, pleurodesis, pleural and ascitic drainage, lumbar puncture and tissue biopsy. His clinical practice is complemented by active involvement in research and clinical trials, alongside teaching and mentoring within lung oncology.

Dr Tim Benepal has undertaken medico-legal work since 2026, providing expert opinion in clinical negligence and personal injury claims. His instructions are currently undertaken on behalf of claimants and include screening and advisory work, as well as reports addressing breach of duty, causation, and condition and prognosis.

His medico-legal practice draws particularly on his expertise in oncology, including lung cancer and other solid malignancies. He is able to consider claims involving the diagnosis, staging and treatment of cancer, complex systemic anti-cancer therapy, oncological emergencies, immunotherapy and the management of treatment-related toxicity. His expertise also encompasses issues arising from oncology-related procedures and the management of patients receiving complex cancer treatment.

Dr Benepal’s clinical interests centre on the assessment and management of patients with thoracic malignancies, particularly lung cancer. His practice encompasses the diagnosis and staging of lung cancer, including the use of molecular profiling to inform the management of patients with complex disease.

A significant area of his practice involves prescribing and managing complex systemic anti-cancer treatments, including immunotherapy, with particular expertise in recognising and managing treatment-related toxicity and oncological emergencies. He also manages patients requiring complex inpatient oncology care.

His procedural practice includes interventions used in the investigation and management of cancer and its complications. These include pleural aspiration and biopsy, pleural and ascitic drainage, pleurodesis, liver and tissue biopsy, lumbar puncture, and the insertion and management of central and PICC lines. He also undertakes chest drain insertion and other procedures associated with the management and investigation of patients with cancer.

Dr Benepal is actively involved in research and clinical trials and has authored several publications. He has held a Clinical Research Fellowship in Cancer Therapeutics and currently contributes to academic medicine as an Honorary Senior Lecturer. He is also involved in teaching and mentoring lung oncologists internationally and serves as an Associate Tutor to the Royal College of Physicians.