Practice at St. Marien Hospital

Practice for radiotherapy in Bonn

The practice for radiotherapy in Bonn is located directly in front of St. Marien Hospital in a new building. In order to ensure a well-coordinated therapy concept, the practice team works closely with the doctors at St. Marien Hospital, other clinics in the region and local GPs.


  • 1 high-precision linear accelerator "TrueBeam"
  • Computer tomograph (20-liner) and simulator for irradiation planning
  • HDR Brachytherapy device ("Afterloader")


  • Conformal radiotherapy
  • Intensity-modulated radiotherapy (IMRT and RapidArc)
  • Image-guided radiotherapy (IGRT)
  • Stereotactic radiotherapy (SBRT)
  • Breath-controlled radiotherapy
  • Brachytherapy

Specialists for radiotherapy in Bonn:


  • Dr. med. Timo Wilhelm-Buchstab
  • Dr. med. Birgit Mahlmann
  • Dr. med. Dorothea Kunze


  • Medical-technical X-ray assistants
  • Practice nurses
  • Medical physicists


To talk about an appointment you can call us at:

0228 926 553 0

Monday to Thursday: 8:00 to 18.00 hrs
Friday: 8:00 to 16:00 hrs

Practice for radiotheraphy at St. Marien-Hospital

Dr. med. D. Völzke
Dr. med. A. Schmitz
Priv.-Doz. Dr. med. R. Semrau 
Priv.-Doz. Dr. med. Dr. phil. H. Rief 
Dr. med. T. Wilhelm-Buchstab

Robert-Koch-Straße 1
53115 Bonn