The First Private Teaching Hospital in South Africa, Johannesburg

Dr Mariza Tunmer

Dr Mariza Tunmer

MBChB (UP); FC Rad Onc (SA)

Dr Tunmer (neé Boshoff) is a Specialist Radiation Oncologist practicing at the Wits Donald Gordon Medical Centre, Johannesburg, South Africa. She also works as a Consultant in a sessional capacity at Charlotte Maxeke Johannesburg Academic Hospital (CMJAH). Dr Tunmer completed her undergraduate medical degree at The University of Pretoria with her practical training done at the Steve Biko Academic Hospital in Pretoria and Kalafong Hospital in Atteridgeville. She gained much experience working at some of South Africa’s busiest hospitals. Dr Tunmer did her mandatory internship in 2005 on the Pietermaritzburg Hospital Circuit and her community service at the Far East Rand Hospital in Springs, Johannesburg. Dr Boshoff then worked as a medical officer in the CMJAH Trauma Unit and Trauma ICU as well as the Medical Casualty. She also worked in the Casualty departments at Mediclinic Morningside, Sunninghill Hospital, Milpark Hospital, Union Hospital and Garden City Clinic. Thereafter she joined the Medical Oncology unit at CMJAH as a medical officer, before starting her fellowship training in Radiation Oncology in 2009. She completed her training in 2012 and thereafter was employed as a Consultant Specialist Radiation Oncologist at CMJAH until 2014, before joining the Wits Donald Gordon Medical Centre in full time private practice. While Dr Tunmer treats the full spectrum of Radiation Oncology patients, she has developed a special interest in pelvic and female malignancies. She regularly attends Multi-Disciplinary Team meetings where challenging cases are discussed. Articles featuring Dr Tunmer: • A pilot course for training-in-context in statistics and research methods: radiation oncology - Read • A successful clinical pilot registry of four radiation oncology practices in Africa and Ontario (The Central African Journal of Medicine) - Read

Clinical Focus

  • Radiation Of Cancers And Relevant Benign Conditions
  • Radical Radiation Treatment
  • Palliation


  • • External Beam Radiotherapy
  • Brachytherapy
  • Stereotactic Radiotherapy


  • Radiation Oncologist