Prof. Dr. med. Thomas Frieling

Head of the Medical Clinic for Internal Medicine

Helios Rhein-Ruhr Hospitals Duisburg (Duisburg)

Clinical Focus & Subspecialties

Neurogastroenterology, including functional diseases: e.g. irritable bowel syndrome, irritable stomach syndrome, constipation, diarrhea, flatulence, food disorders

Curriculum Vitae

1977-1988	Studies of human medicine at Heinrich Heine University Düsseldorf, during which time he completed a clinical traineeship at St. Johns Hospital, Department of Internal Medicine, St. Paul/Minneapolis, USA
1983	Approbation
1984	Clinical and scientific training at the Clinic for Gastroenterology, Hepatology and Infectiology at Heinrich Heine University Düsseldorf
1985	Doctorate in medicine
1985	Completion of the American ECFMG exam for preclinical and clinical subjects in Bonn
1988-1990	Scholarship holder of the German Research Foundation (DFG) as Research Fellow at the Department of Physiology of the College of Medicine at Ohio State University, USA
1989	Postdoctoral Research Award of the American Physiological Society, Gastrointestinal Section, New Orleans, USA
1992	Specialist in internal medicine
1993	Receipt of the Hörlein Prize at Heinrich Heine University Düsseldorf
1993	Receipt of the Venia Legendi for Internal Medicine
1993-2000	Senior physician and most recently senior consultant at the Clinic for Gastroenterology, Hepatology and Infectiology at Heinrich Heine University Düsseldorf
1994	Receipt of the Dr. Norbert Henning Prize
1994	Receipt of the Science Award of the Society for Gastroenterology in NRW with co-authors
1994	Acquisition of the sub-specialty designation Gastroenterology from the North Rhine Medical Association
1997	Receipt of the Janssen Young Investigator Award with co-authors
1998	Appointment as professor of internal medicine with a focus on neurogastroenterology at Heinrich Heine University Düsseldorf
2000-2008	Director of the Clinic for Internal Medicine with Gastroenterology, Hepatology, Infectiology, Hematology and Oncology at Krefeld Municipal Hospital, meanwhile: Expansion to include the specialist areas of neurogastroenterology, nutritional medicine and palliative medicine
2006	"Fellow in Gastroenterology" according to the criteria of the European Board of Gastroenterology (EUMS)
2007-2009	Acquisition of the sub-specialty designations of proctology, palliative medicine and medical tumor therapy at the North Rhine Medical Association
Since 2008	Director of the Clinic for Internal Medicine with Gastroenterology, Hepatology, Neurogastroenterology, Infectiology, Hematology, Oncology and Palliative Medicine
Since 2013	Medical Director of the Helios Private Hospital Krefeld
Since 2025	Head of the Medical Clinic for Internal Medicine, Helios Hospital St. Anna Duisburg

Certifications & Qualifications

Academic Activities & Research

Scientific profile

Peer review publications: over 200
Reviews in periodicals and journals: over 250
Publications of monographs, textbooks and handbooks: over 100
Lectures: over 700
Congress contributions: over 250
Doctoral students: 20

Член Немецкого общества гастроэнтерологов, заболеваний органов пищеварения и обмена веществ (DGVS)

Член правления общества Немецкой Гаcтро-Лиги

Председатель Ассоциации старших врачей гастроэнтерологических клиник

Окружной делегат Федерации немецких интернистов

Основатель Фонда нейрогастроэнтерологии

Professional Memberships

Reviewer for various national and international scientific journals
Advisory board member of the German Society for Gastroenterology, Digestive and Metabolic Diseases (DGVS)
Board member of the Gastro-Liga
Chairman of the Working Group of Senior Gastroenterology Hospital Doctors (ALGK)
District delegate of the Association of German Internists (BDI)
Founder of the Foundation for Neurogastroenterology