Heart & Soul of the Practice
Our compassionate and professional team have the expertise to ensure you and your loved ones are given the care you deserve

Dr Ronwyn van Eeden
Specialist Physician and Medical Oncologist
MBChB (UP), FCP(SA), Cert Med Onc(SA)
Dr. Ronwyn van Eeden is a Medical Oncologist in Rosebank, Johannesburg. She is also an honorary consultant in Medical Oncology at the Chris Hani Academic Hospital.
She did her undergraduate degree at the university of Pretoria, followed by her internship at the Chris Hani Baragwanath Hospital and did her community service year in Potchefstroom. She then went on to specialise in Internal Medicine at the University of Witwatersrand and her fellowship in Medical Oncology at the Charlotte Maxeke Academic Hospital.
Dr. van Eeden then started working in private practice since 2016. She is kind and compassionate oncologist, who focuses on the patient’s journey. On the academic side, Dr. van Eeden and has several peer review journal publications, presents at many local and international meetings and symposia and serves on local advisory boards. She is a member of the executive committee for the South African Society of medical Oncology. She has a special interest in breast and lung cancer as well as immuno-oncology.

Melissa Saacks
Practice Manager & Patient Navigator
Email: navigator@oncorv.co.za
Tel: +27 72 438 6349 / +27 10 109 2777
Melissa, is the ‘go-to’ of our practice, where compassion meets efficiency. With over a decade of experience in the medical field, Melissa embodies the essence of care and dedication. As our Practice Manager, Melissa’s nurturing spirit ensures that every step of our patients’ journeys is met with comfort and ease. From coordinating with specialists and handling administrative tasks, Melissa’s meticulous attention to detail keeps our practice running seamlessly. Working closely with Dr. van Eeden & Dr Omar, Melissa serves as a guide for patients and their families, providing unwavering support and understanding every step of the way. Her compassionate heart and endless patience make her not just a manager, but a trusted friend and confidante. Melissa’s commitment to excellence is evident in her certification in Medical Practice Management, a testament to her ongoing pursuit of knowledge and dedication. With Melissa by our side, our practice thrives, fuelled by her warmth, expertise, and genuine care for every individual who walks through our doors.

Dr. Sophia Omar
Associate Doctor
MBChb (UKZN) HIV DIP MAN (SA)

Shannon Barker
Receptionist / Assistant
Email: reception@oncorv.co.za
Tel: +27 63 743 2579

Bramble Masie
Receptionist
Email: reception1@oncorv.co.za
Tel: +27 10 109 2777
Bramble was previously a teacher and special needs educator, so has a lot of experience in being patient and kind and supportive. She is also a registered counsellor. Since retiring, she has been assisting as an oncology receptionist for her daughter, Dr. van Eeden for the past 5 years. Bramble thus assists with pride and the determination to make the practice run the best it can be. She assists with making appointments and dealing with queries in a loving and attentive manner.

Leoné Oosthuizen
Oncology Pharmacist
Email: leone.oosthuizen@dischem.co.za
Tel: +27 10 109 2777

Sr. Mpumie Jwili
Oncology Nurse
Email: nurse2@oncorv.co.za
Tel: +27 10 109 2777

Lizzie Sekhula
Facility cleanliness attendant