Dr Johann Viljoen Specialist Physician | Internal Medicine Specialist in Knysna

Dr Johann Viljoen is a highly experienced Specialist Physician practising at Life Knysna Private Hospital. After qualifying as a physician in 1986 and completing his Master’s Degree in Internal Medicine in 1993, he has dedicated his career to providing exceptional specialist medical care. Since relocating to Knysna in 2008, he has become a trusted physician serving patients throughout the Garden Route.

His practice focuses on the diagnosis, treatment and long-term management of complex adult medical conditions. Dr Viljoen offers comprehensive assessments supported by advanced diagnostic testing, including spirometry, body plethysmography, stress ECG, echocardiography, lung function testing and methacholine challenge testing.

With extensive involvement in international clinical research and many published medical studies, Dr Viljoen combines years of experience with evidence-based medicine to provide personalised, compassionate healthcare for every patient.