Prof. Dr. med. Thomas Frieling

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

1977 to 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 to 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
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

1993 to 2000	Senior physician and most recently senior consultant at the Clinic for Gastroenterology, Hepatology and Infectiology at Heinrich Heine University Düsseldorf
1998	Appointment as professor of internal medicine with a focus on neurogastroenterology at Heinrich Heine University Düsseldorf
2000 to 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, 2008, 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 Clinic Krefeld
since 04/2025	Head of the Medical Clinic for Internal Medicine, Helios Hospital St. Anna Duisburg

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