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Dr.Nikolaus Haas's second opinion

Dr. Nikolaus Haas

Pediatric Cardiology


35 years of experience

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Area of expertise


Pediatric Cardiology


Pediatric Interventional Cardiology, Pediatric Cardiac Intensive Care


Congenital Heart Defects

Procedures Performed

Cardiac Catheterization

Heart Transplantation

Ventricular Assist Device Management


Director, Department of Pediatric Cardiology and Intensive Care; Full Professor of Pediatrics, Pediatric Cardiology and Paediatric Intensive Care, Ludwig Maximillian’s University (LMU) Munich

Munich, Germany. From 2015

Deputy Director, Department of Congenital Heart Defects; Director, Catheterization Laboratory; Interventional Cardiology; Consultant in Paediatric Intensive Care, Heart and Diabetes Centre

North-Rhine Westphalia, Germany. 2006 - 2015

Director, Paediatric Cardiac Intensive Care Unit, The Prince Charles Hospital

Brisbane, Australia. 2002 - 2006

Consultant, Paediatric Cardiology and Paediatric Intensive Care, Adults with Congenital Heart Defects, Olgahospital Stuttgart

Stuttgart, Germany. 2000 - 2002

Specialist Registrar, Intensive Care Unit, Royal Childrens Hospital

Melbourne, Australia. 1999 - 2000


Studies of Clinical Medicine, University of Mannheim


Studies in Preclinical Sciences, University of Heidelberg



Dr. Nikolaus Haas is specialized in Pediatrics and Pediatric Cardiology. He is an expert in congenital heart defects, pediatric intensive care, adults with congenital heart defects, and treatments of heart disease by means of cardiac catheter interventions (interventional pediatric cardiology). Dr. Haas completed his medical studies at the Universities of Heidelberg and Mannheim and the University of California, Los Angeles. He was the Director of the Pediatric Cardiac Intensive Care Unit at


President, German Society for Pediatric Cardiology (2022 – 2024)

President, German Society of Pediatric Cardiology and Congenital Heart Disease (2020-2022)

President, German Society for Pediatric Cardiology (2018-2020)

Member of the Guideline Committee, German Society of Pediatric Cardiology and Congenital Heart Disease

German Association for Pediatrics


Dr. Nikolaus Haas has more than 220 publications.

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