Dr. med. Marcelo Sebastian Walker

Specialist in general internal medicine FMH

German, English, Spanish, Portuguese, French

Date of birth: August 8th, 1979 in Hamburg


  • 1986 – 1999Elementary school and high school in Hamburg
  • 1997High School in Big Bear City (USA) and Seattle (USA)


  • 1999 - 2000Entrance examination and study of human medicine at the Universidad Nacional de Córdoba (UNC/Argentina)

  • 2001 – 2008 Study of human medicine and dissertation at the University Hospital Hamburg-Eppendorf

Practical year

  • 2007 – 2008 Internal Medicine, University Hospital Hamburg-Eppendorf, General Surgery, Center Hospitalier Universitaire Hôpital Pierre Zobda-Quitman, Fort-de-France (France), Radiology, Asklepios Klinik St. Georg in Hamburg


  • 2009 – 2015 Internal medicine: Hirslanden Clinic Aarau, Vinzentius Hospital Landau, St. Vincentius Hospital Heidelberg, internal sports medicine at the Olympic base of the University Hospital Heidelberg, on-call services in various emergency service centres


  • 01/2013 Topic: Effectiveness and safety of catheter ablation in atrial fibrillation, grade: magna cum laude

Specialist in internal medicine

  • 2016 General medical care for refugees in various refugee homes, general practitioner practice representations
  • 07/2016 – 03/2018 Family doctor general medical activity as a specialist in general internal medicine FMH in Central Switzerland
  • 2018 Takeover of the family doctor practice Dr. Sigg, Hergiswil am See

Foreign Languages Fluent: English, Spanish, Portuguese Good knowledge: French