
Dr. Mohammad Osman Amani
Medical GastroenterologistFrankfurt, Germany
22+ years of experience
Senior Consultant
Works At: Hospital of the Holy Spirit, Frankfurt
5.0 (14 Ratings)
- Dr. Mohammad Osman Amani is a gastroenterologist with 18+ years of experience.
- His clinical expertise includes Hepatitis B, biliary tract disease, nutritional problems, Irritable Bowel Syndrome (IBS), and pancreatitis.
- He is a member of the German Group of Inflammatory Bowel Diseases, European Mucosal Immunology Group, German Society for Digestive and Metabolic Diseases (DGVS) and Federal Association of Gastroenterology Germany.
- He completed graduation from Saarland University, Saarbrücken.
- Dr. Amani has several publications under his name in the World Journal of Gastroenterology.
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- Dr. Mohammad Osman Amani is a gastroenterologist with 18+ years of experience.
- His clinical expertise includes Hepatitis B, biliary tract disease, nutritional problems, Irritable Bowel Syndrome (IBS), and pancreatitis.
- He is a member of the German Group of Inflammatory Bowel Diseases, European Mucosal Immunology Group, German Society for Digestive and Metabolic Diseases (DGVS) and Federal Association of Gastroenterology Germany.
- He completed graduation from Saarland University, Saarbrücken.
- Dr. Amani has several publications under his name in the World Journal of Gastroenterology.

Prof. Dr. med. Rainer Duchmann
Medical GastroenterologistFrankfurt, Germany
26+ years of experience
Director
Works At: Hospital of the Holy Spirit, Frankfurt
5.0 (12 Ratings)
- Prof. Dr. med. Rainer Duchmann is a gastroenterologist with 22+ years of experience.
- His clinical focus includes colonoscopy, colon polyps and cancer, hepatitis, gastroesophageal reflux, colitis, gallbladder and biliary tract disease, Irritable Bowel Syndrome (IBS) and pancreatitis.
- He did a fellowship from the European Board of Gastroenterology & Hepatology (FEBG).
- He is a member of the Association of Internal Oncology (AIO), German Society for Internal Medicine, International Society of Mucosal Immunology, German Cancer Society, German Society for Digestive and Metabolic Diseases (DGVS), German Society for Immunology and American Association of Immunologists.
- Dr. Duchmann is on the editorial board of World Journal of Gastroenterology and on the advisory board of the German M. Crohn Colitis Ulcerosa Association.
- He has won the Award of an extraordinary professorship at the Charité - Universitätsmedizin Berlin and 1st research award of the German Crohn's Disease.
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- Prof. Dr. med. Rainer Duchmann is a gastroenterologist with 22+ years of experience.
- His clinical focus includes colonoscopy, colon polyps and cancer, hepatitis, gastroesophageal reflux, colitis, gallbladder and biliary tract disease, Irritable Bowel Syndrome (IBS) and pancreatitis.
- He did a fellowship from the European Board of Gastroenterology & Hepatology (FEBG).
- He is a member of the Association of Internal Oncology (AIO), German Society for Internal Medicine, International Society of Mucosal Immunology, German Cancer Society, German Society for Digestive and Metabolic Diseases (DGVS), German Society for Immunology and American Association of Immunologists.
- Dr. Duchmann is on the editorial board of World Journal of Gastroenterology and on the advisory board of the German M. Crohn Colitis Ulcerosa Association.
- He has won the Award of an extraordinary professorship at the Charité - Universitätsmedizin Berlin and 1st research award of the German Crohn's Disease.

Prof. Dr. Siegbert Rossol
Medical GastroenterologistFrankfurt, Germany
38+ years of experience
Chief
Works At: Nordwest Hospital, Frankfurt
4.7 (13 Ratings)
- Prof. Dr. Siegbert Rossol is a renowned Medical Gastroenterologist with 34+ years in the field.
- He has professional membership of the German Society for Digestive and Metabolic Diseases, Fellow of the European Board of Gastroenterology, German Association for the Study of the Liver (GASL), European Association for the Study of the Liver (EASL), American Association for the Study of Liver Diseases (AASLD), German Society for Health Economics eV (dggö), and many more.
- He has studied human medicine in Hamburg, Marburg, and Giessen from 1980 - 1986, and received Alexander von Humboldt Scholarship Institution: Institute of Liver Studies, Prof. R. Williams King's College School, the University of London in 1995.
- Later, he studied Health Management Academy for Further Education at the Universities of Mannheim and Heidelberg, Master of Science (M.Sc.) in 1999.
- He has exceptional expertise in Interventional Sonography, Endoscopic Therapy of Zenker Diverticulum, Endoscopic Resection of intestinal cancer (EMR/ESD), Endobarrier, Therapy of IBD (inflammatory bowel disease), etc.
- He has published articles and publications in diverse national and international paper journals.
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- Prof. Dr. Siegbert Rossol is a renowned Medical Gastroenterologist with 34+ years in the field.
- He has professional membership of the German Society for Digestive and Metabolic Diseases, Fellow of the European Board of Gastroenterology, German Association for the Study of the Liver (GASL), European Association for the Study of the Liver (EASL), American Association for the Study of Liver Diseases (AASLD), German Society for Health Economics eV (dggö), and many more.
- He has studied human medicine in Hamburg, Marburg, and Giessen from 1980 - 1986, and received Alexander von Humboldt Scholarship Institution: Institute of Liver Studies, Prof. R. Williams King's College School, the University of London in 1995.
- Later, he studied Health Management Academy for Further Education at the Universities of Mannheim and Heidelberg, Master of Science (M.Sc.) in 1999.
- He has exceptional expertise in Interventional Sonography, Endoscopic Therapy of Zenker Diverticulum, Endoscopic Resection of intestinal cancer (EMR/ESD), Endobarrier, Therapy of IBD (inflammatory bowel disease), etc.
- He has published articles and publications in diverse national and international paper journals.

Dr. Jurgen Stein
Medical GastroenterologistFrankfurt, Germany
25+ years of experience
Senior Consultant
Works At: Sachsenhausen Hospital, Frankfurt
4.7 (13 Ratings)
- Dr. Jurgen Stein is a respected Medical Gastroenterologist with experience of more than 21+ years in the field.
- He is a member of the German Society for Digestive and Metabolic Diseases (DGVS), American Gastroenterological Association (AGA), New York Academy of Sciences, German Working Group for Inflammatory Bowel Diseases (DACED), Central German Society for Gastroenterology, European Crohn Colitis Organization (ECCO), etc.
- He completed his study of nutritional science, biophysics, and medicine at the Justus Liebig University, Giessen in 1989, and Habilitation and appointment as a private lecturer for the subject of internal medicine in 1997.
- Additionally, he has done a Ph.D. according to the law for the promotion of young scientists of the State of Hesse (HGFöN) in 1986.
- He has a special interest in interventional endoscopy., Hepatology (liver disease), Gastroenterology (diseases of the digestive organs), Intensive care, Hepatobiliary, gastrointestinal & neuroendocrine tumor diseases, etc.
- He has written various articles and publications in national and international medical journals.
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- Dr. Jurgen Stein is a respected Medical Gastroenterologist with experience of more than 21+ years in the field.
- He is a member of the German Society for Digestive and Metabolic Diseases (DGVS), American Gastroenterological Association (AGA), New York Academy of Sciences, German Working Group for Inflammatory Bowel Diseases (DACED), Central German Society for Gastroenterology, European Crohn Colitis Organization (ECCO), etc.
- He completed his study of nutritional science, biophysics, and medicine at the Justus Liebig University, Giessen in 1989, and Habilitation and appointment as a private lecturer for the subject of internal medicine in 1997.
- Additionally, he has done a Ph.D. according to the law for the promotion of young scientists of the State of Hesse (HGFöN) in 1986.
- He has a special interest in interventional endoscopy., Hepatology (liver disease), Gastroenterology (diseases of the digestive organs), Intensive care, Hepatobiliary, gastrointestinal & neuroendocrine tumor diseases, etc.
- He has written various articles and publications in national and international medical journals.
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Prof. Dr. med. Thomas Werner Kraus
General SurgeonFrankfurt, Germany
40+ years of experience
Chief
Works At: Nordwest Hospital, Frankfurt
5.0 (12 Ratings)
- Prof. Dr. med. Thomas Werner Kraus is a reputed General Surgeon with experience of more than 36+ years.
- He is a member of the FACS Fellow American College of Surgeons, DGC German Society for Surgery, DGAV German Society for General and Visceral Surgery Various scientific working groups of the DGAV, BDC Association of German Surgeons, DGG German Society for Vascular Surgery, Rhein-Main Working Group for Gastroenterology Frankfurt, Frankfurt Society for Trade, Industry and Science eV, etc.
- He pursued his studies of medicine at the Ruprecht Karls University of Heidelberg in 1981, and also studied medicine at Westminster Medical School London Charing Cross Medical School London in 1985.
- He also has a Ph.D. at Heidelberg University in 1987, and started his Basic military service in the German Armed Forces - High Mountain Range 1st Mountain Hunters Division Mittenwald/Garmisch-Partenkirchen.
- He has a Master of Business Administration "General Hospital Management" from Krannert School of Management, Purdue University, West Lafayette, USA, and German International School of Management and Administration (GISMA), Hanover.
- Dr. Kraus has over 500 lectures and chairs at scientific congresses and meetings, 130 Medline-cited publications, and 18 book chapters.
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- Prof. Dr. med. Thomas Werner Kraus is a reputed General Surgeon with experience of more than 36+ years.
- He is a member of the FACS Fellow American College of Surgeons, DGC German Society for Surgery, DGAV German Society for General and Visceral Surgery Various scientific working groups of the DGAV, BDC Association of German Surgeons, DGG German Society for Vascular Surgery, Rhein-Main Working Group for Gastroenterology Frankfurt, Frankfurt Society for Trade, Industry and Science eV, etc.
- He pursued his studies of medicine at the Ruprecht Karls University of Heidelberg in 1981, and also studied medicine at Westminster Medical School London Charing Cross Medical School London in 1985.
- He also has a Ph.D. at Heidelberg University in 1987, and started his Basic military service in the German Armed Forces - High Mountain Range 1st Mountain Hunters Division Mittenwald/Garmisch-Partenkirchen.
- He has a Master of Business Administration "General Hospital Management" from Krannert School of Management, Purdue University, West Lafayette, USA, and German International School of Management and Administration (GISMA), Hanover.
- Dr. Kraus has over 500 lectures and chairs at scientific congresses and meetings, 130 Medline-cited publications, and 18 book chapters.

Prof. Dr. med. Plamen Staikov
Obesity and Bariatric Surgeon
- Prof. Dr. med. Plamen Staikov is a Frankfurt-based General Surgeon with experience of more than 26 years.
- He has an Honorary Membership of the Society of bariatric and metabolic Surgeons of Kazakhstan and is a member of the German Society for Surgery Swiss Society of Surgery American College of Surgeons, Professional Association of German Surgeons, German Workgroup of minimally invasive Surgery, a Swiss study group for morbid obesity Convention senior hospital surgeons, and many more.
- After completing her studies at OVGU Otto-von-Guericke University in Magdeburg in 1994, he started his medical career as a specialist in surgery.
- He has performed more than 10,000 operations and does all operations on the stomach, intestines, and gallbladder, while also treating abdominal wall fractures and tumor diseases.
- Dr. Staikov treats obesity both conservatively as well as surgically with the aim of lasting weight reduction, health restoration, and minimization of sequelae.
- He serves in the field of general surgery while also writing articles in national and international journals.
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- Prof. Dr. med. Plamen Staikov is a Frankfurt-based General Surgeon with experience of more than 26 years.
- He has an Honorary Membership of the Society of bariatric and metabolic Surgeons of Kazakhstan and is a member of the German Society for Surgery Swiss Society of Surgery American College of Surgeons, Professional Association of German Surgeons, German Workgroup of minimally invasive Surgery, a Swiss study group for morbid obesity Convention senior hospital surgeons, and many more.
- After completing her studies at OVGU Otto-von-Guericke University in Magdeburg in 1994, he started his medical career as a specialist in surgery.
- He has performed more than 10,000 operations and does all operations on the stomach, intestines, and gallbladder, while also treating abdominal wall fractures and tumor diseases.
- Dr. Staikov treats obesity both conservatively as well as surgically with the aim of lasting weight reduction, health restoration, and minimization of sequelae.
- He serves in the field of general surgery while also writing articles in national and international journals.

Dr. med. Holger Bahn
General SurgeonFrankfurt, Germany
23+ years of experience
Senior Consultant
Works At: Sachsenhausen Hospital, Frankfurt
- Dr. med. Holger Bahn is a well-known General Surgeon with experience of more than 19 years.
- He pursued his state examination in medicine from FU and HU Berlin from 1991 to 1998.
- He has worked in a multitude of prestigious organizations such as the Martinus Hospital Düsseldorf, Maltese Hospital St. Carolus, St. Hedwig Hospital, Ruppiner Kliniken GmbH, etc.
- Dr. Bahn has extensive experience and professionalism in the field of bariatric surgery, as well as in the treatment of complications after bariatric surgery.
- He has a number of publications to his credit in various reputed national and international journals.
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- Dr. med. Holger Bahn is a well-known General Surgeon with experience of more than 19 years.
- He pursued his state examination in medicine from FU and HU Berlin from 1991 to 1998.
- He has worked in a multitude of prestigious organizations such as the Martinus Hospital Düsseldorf, Maltese Hospital St. Carolus, St. Hedwig Hospital, Ruppiner Kliniken GmbH, etc.
- Dr. Bahn has extensive experience and professionalism in the field of bariatric surgery, as well as in the treatment of complications after bariatric surgery.
- He has a number of publications to his credit in various reputed national and international journals.
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