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World's Top Scientists


9 doctors of the WPK hospital in Vienna, rated in the top 10% scientists in the world by Stanford University


The best score was obtained by Prof. Univ. Dr. Siegfried Kasper, a specialist in psychiatry and psychotherapy, who was placed in the top 0.2% of the world's scientists.

ORT, DATUM - Several collaborating physicians at the Wiener Privatklinik, Austria's largest private hospital, have been ranked in the top 10 percent of scientists in the world in a ranking recocnized by Stanford University. The full list includes over 100,000 leading specialists in 22 scientific fields and 176 sub-fields. WPK is certified as one of the best hospitals in the world in 2021 and has two offices in Romania, in Bucharest and Timisoara.

This is the most comprehensive database listing the top scientists in each field, giving the general public access to the most cited authors, published works and up-to-date career and professional achievement data. The rankings are thus an indicator of long-term performance, and for most working scientists it reflects the contribution they make to the development of the field and the training of future generations of experts.

"The Wiener Privatklinik Hospital is proud and honored that 9 of its collaborating physicians have been included in the list of the world's best scientists. The nomination comes in recognition of their outstanding scientific and clinical work. We are happy that through Wiener Privatklinik, patients in Romania and all over Europe benefit from their expertise," said Ema Hafner, Head of Marketing and International Business at Wiener Privatklinik.

To devolve the database, Scopus data collected over a 22-year period (1996 - 2017) was used, taking into account a number of citation parameters, including: total number of citations, Hirsch index, number of citations of papers as sole author, first or last author, number of collaborators and number of collaborative papers. The whole-career data are updated until the end of 2020.


The list of 9 WPK collaborating physicians consists of:


  1. Univ. Dr. Siegfried Kasper, specialist in psychiatry and psychotherapy - in the top 0.2% of the world's scientists;


Prof. Kasper has been cited in over 600 publications in PubMed and in over 250 books or book chapters in various fields of psychiatry. He focuses on the biological basis of mental disorders and possible therapeutic approaches to them.


  1. Univ. Dr. Georg Stingl, dermatologist - top 1.5% of the world's scientists;


As a specialist in dermatology and immunology, Prof. Univ. Dr. Georg Stingl focuses on the diagnosis and treatment of inflammatory and allergic skin diseases, autoimmune diseases and infectious diseases.


  1. Univ. Dr. Christoph Zielinski, medical oncologist - the world's top 2% of scientists;


Professor Zielinski is the director of the WPK Central European Academy Cancer Center, the most comprehensive and renowned private cancer diagnostic and treatment center in Central and Eastern Europe, part of the Wiener Privatklinik Hospital.


  1. Univ. Dr. Walter Klepetko, specialist in thoracic surgery - the world's top 3% of scientists;


Prof. Univ. Dr. Walter Klepetko is medical director of the WPK's Vienna International Centre for Thoracic Oncology (VICTO), a team of international experts specialising in surgery, oncology and radiology who treat thoracic malignancies using the latest treatments in the field.


  1. Dr. Erich Minar, medical specialist in angiology - the world's top 3% of scientists;


Prof. Erich Minar is an internationally renowned specialist focusing on vascular medicine also known as angiology, both clinically and scientifically. This field of medicine treats circulatory disorders in all vascular regions.


  1. Univ. Dr. Martin Schillinger, cardiology specialist - the world's top 3% of scientists;


Professor Schillinger's clinical and research priorities are diagnosing, followed by minimally invasive treatment of circulatory disorders of the heart, brain and legs and addressing their risk factors.


  1. Univ. Dr. Anton Luger, Endocrinology specialist - top 4% of the world's scientists;


Active member of several international societies, in particular the Endocrine Society, Prof. Univ. Dr. Anton Luger has been appointed President of the European Union of Medical Specialists (UEMS), Section Endocrinology, Diabetes and Metabolism. He is author and co-author of more than 230 books and journal articles and member of the editorial board of journals such as Hormones and Endocrine.


  1. Univ. Dr. Sebastian Schoppmann, specialist in general surgery - top 6% of the world's scientists


Nominated in 2013 by News as one of the best doctors in Austria and one of the best specialists in the treatment of digestive tract disorders, Prof. Univ. Dr. Sebastian Schoppmann is a member of several medical societies.


  1. Univ. Dr. Emeka Nkenke, oral and maxillofacial surgeon - top 7% of the world's scientists


Prof. Nkenke holds a PhD in theoretical medicine and is dual qualified as both a doctor and a dentist. He specialises in virtual surgical planning and the use of patient-specific implants in orthognathic surgery, craniofacial surgery and reconstructive surgery. Prof. Nkenke pioneered guided dental implant surgery.