every patient a work of art...
Prof Tess van der Merwe is a Professor of Endocrinology and world authority in the field of obesity. She is currently running the only internationally accredited metabolic and bariatric surgery centre in South Africa.
Here, the highest possible standards in scientific execution, medical care and follow-up takes place under her leadership.
The unit also maintains continuous medical research that contributes to the superb understanding of metabolic medicine with partners both locally and abroad. All members of staff have been hand curated for their excellence, knowledge, compassion and pure dedication to the patients and practice.
Prof Tess van der Merwe boasts nearly 40 years of experience in the field of obesity.
She is currently an Extra-ordinary Professor and Researcher in the Department of Health Sciences at The University of Pretoria. In addition to her academic interests, she leads her internationally accredited private practice at Waterfall City Hospital in Midrand, Gauteng.
Services
1
Full Metabolic
Workup
A curated, comprehensive look at your metabolic health.
Using advanced blood work alongside clinical measures such as lung function testing and ECG, we map how your body is functioning at every level.
The result is a personalised, elegant treatment plan that supports vitality, balance, and sustainable wellness.
2
Weight Loss
Surgery
A curated pathway for patients considering bariatric surgery.
We guide you from your first assessment through all pre-operative preparation, and work closely with our specialist surgical team to ensure a personalised procedure.
You’re supported at every step, with coordinated care that follows you from evaluation to surgery to long-term follow-up.
3
Weight Loss Medication
A fully supported, medically guided programme combining state-of-the-art weight loss medication with tailored dietary planning and psychological care.
Your treatment is monitored closely, with dose adjustments and progress reviews to ensure safety and comfort.
For patients who prefer not to self-inject, our Registered Nurse provides discreet, professional injection services.
4
Revision Weight Loss
Surgery
When an older procedure no longer serves you, or when surgical techniques have evolved, we provide a full evaluation to explore revision options.
Our team reviews your previous surgery, current challenges, and overall health to create a personalised plan.
We partner with an expert surgical team to deliver updated, effective solutions tailored to your body.
5
Sleep
Studies
A precision assessment of your sleep patterns, breathing, and overnight physiology.
Our sleep studies help diagnose issues such as sleep apnoea, disrupted cycles, and nighttime oxygen changes—factors that deeply affect energy, weight, mood, and overall health.
You receive a clear interpretation of your results along with a tailored plan to restore restorative, high-quality sleep.
6
IV Clinic
Tailored IV infusions created specifically for patients after weight loss surgery.
These treatments restore essential vitamins and minerals, helping you maintain energy, immunity, and overall wellbeing when absorption is reduced.
Each session is provided by trained medical staff in a calm, supportive environment.