MB BS 2006 Lond; FRANZCR 2016


Tiv Senanayake graduated MBBS in London in 2005.  Following two years working in hospitals in England he moved to New Zealand and pursued specialty training in radiation oncology in Wellington, obtaining FRANZCR in 2015.  A fellowship at Princess Margaret Hospital in Toronto in 2018 preceded him taking up a permanent consultant position in Dunedin Hospital.  Dunedin has now become home for his young family.

Breast, head and neck, lung and palliative radiotherapy are Tiv's subspecialty interests and is experienced in multiple radiotherapy modalities including IMRT/VMAT, SABR, SXR, and brachytherapy.  He enjoys teaching and is currently the Director of Training for RANZCR radiation oncology registrars in Dunedin and an honorary clinical senior lecturer at Otago University.  

Tiv provides a friendly, holistic and collaborative approach to his consultations.  He values clear communication and provision of information tailored to each individual patient.  


  • Breast
  • Head and neck
  • Palliative
  • Lung
  • Skin (including melanoma).

Title or Designation

Radiation Oncologist


Male / Tāne

Full NZ Registration Date

8 October 2009

Vocational Scope

Radiation Oncology

Contact Details

Dr Tivanka Senanayake is available at the following service:

This service is available at the following location:

Mercy Cancer Care, 72 Newington Avenue, Maori Hill, Dunedin

Oncology Nurse Mercy Cancer Care

  • Mobile: 027 693 4504

Online enquiry form