Gastroenterologists with experience in Bowel polyps

Dr. Petros Stathopoulos is a Gastroenterologist and Interventional Endoscopist with extensive clinical, academic, and research experience gained in leading university hospitals in Germany. Since 2026, he has been affiliated with the 3rd Department of Gastroenterology at HYGEIA Hospital in Athens. Prior to this, he served as Deputy Head of the Endoscopy Unit and Consultant Gastroenterologist at the University Hospital of Marburg, Germany.He graduated from the Medical School of the National and Kapodistrian University of Athens and completed his specialty training in Internal Medicine and Gastroenterology in Germany. His clinical expertise encompasses the full spectrum of diagnostic and therapeutic gastrointestinal endoscopy, including advanced procedures such as Endoscopic Submucosal Dissection (ESD), Endoscopic Full-Thickness Resection (eFTR), Endoscopic Ultrasound (EUS), ERCP, and the management of complex gastrointestinal neoplasms.Dr. Stathopoulos has received advanced training at internationally renowned centers, including Keio University Hospital in Tokyo, Japan, and Hôpital Édouard Herriot in Lyon, France, with a special focus on advanced endoscopic resection techniques. He has also played a key role in the certification and quality assurance processes of multidisciplinary oncology centers specializing in pancreatic and colorectal cancer.His scientific work includes numerous publications in peer-reviewed international journals and presentations at major European gastroenterology and endoscopy conferences. He is an active member of several prestigious scientific societies, including the German Society of Gastroenterology (DGVS), the European Society of Gastrointestinal Endoscopy (ESGE), and the German Society for Endoscopy and Imaging Techniques (DGE-BV).

Georgios Anagnostopoulos is a Gastroenterologist who sees patients in Marousi at the "Mitera" Clinic. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and completed his Gastroenterology specialty at the 251 General Air Force Hospital. In 2002, he received a scholarship from the Hellenic Society of Gastroenterology and pursued advanced training as an Advanced Endoscopy Research Fellow at the Wolfson Digestive Diseases Centre, University of Nottingham, UK, and the Endoscopy Department, University of Mainz, Germany. His training focused on advanced micro-endoscopic diagnostic and therapeutic techniques such as magnifying endoscopy, chromoendoscopy, Narrow Band Imaging, confocal endomicroscopy, autofluorescence endoscopy, endoscopic mucosal resection, and photodynamic therapy for Barrett’s esophagus. A considerable number of his studies have been published in reputable peer-reviewed international medical journals. He has more than 100 presentations at Greek and international conferences and continues to frequently publish articles in the Greek press. It is noteworthy that his primary interests include the monitoring of patients with Barrett’s esophagus and ulcerative colitis, as well as the endoscopic evaluation of patients with precancerous lesions in the gastrointestinal tract (dysplasia). Furthermore, he specializes in complex polypectomies of flat polyps (endoscopic mucosal resection), ablation of Barrett’s esophagus epithelium using radiofrequency ablation (HALO), and obesity treatment through the revolutionary endoscopic AspireAssist method.

Gastroenterologist - Hepatologist with experience in diagnostic and therapeutic endoscopies of the upper and lower gastrointestinal tract, esophageal motility studies (achalasia), idiopathic inflammatory bowel diseases (Crohn's disease, Ulcerative Colitis)

Mosxovis Dimitris is a Gastroenterologist and a Doctor of Medicine from the Medical School of Athens, with a private practice in Aigaleo. Concurrently, he serves as a Scientific Collaborator at the Medical Athens Clinic Peristeri. He studied at the Medical School of the University of Brescia in Italy and subsequently completed postgraduate studies at the Medical School of the University of Athens. He specialized at the 2nd Oncology Internal Medicine Clinic of the Specialized Anti-Cancer Hospital of Piraeus "Metaxa" and later at the Gastroenterology Clinic of the General State Hospital of Nikaia, where he also served as a Gastroenterology Consultant. He has been a Scientific Collaborator at the 2nd Oncology Clinic of the "Hygeia" Hospital, as well as at Pathology and Nephrology Clinics of the "Medical Athens" group. He has participated in numerous conferences in Greece and abroad, with many presentations to his credit. Additionally, he has an extensive number of publications in Greek and foreign journals. Finally, he has active involvement, to date, as a researcher in numerous international multicenter clinical studies.

Tyrmpas Ioannis is a Gastroenterologist-Interventional Endoscopist with private practices in Korydallos and Marousi. He holds a degree and is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He has received specialized training in Endoscopic Ultrasound (EUS) and Interventional Endoscopy at the University Hospital "The Royal Infirmary of Edinburgh" in the United Kingdom, where he also worked as a Locum Consultant and holds the "Diploma of the European Board of Gastroenterology and Hepatology." He is the Director of the 1st Gastroenterology Interventional Endoscopy Clinic at IASO and the scientific head of the state-of-the-art endoscopy department at the General Clinic of IASO. Dr. Tyrmpas has numerous oral and poster scientific presentations at international and Greek conferences, as well as publications in international and Greek gastroenterological scientific journals. Finally, he is a member of the Medical Association of Athens and Cyprus, the Hellenic Society of Gastroenterology, the Professional Association of Gastroenterologists of Greece, the British Society of Gastroenterology, the European Society of Gastrointestinal Endoscopy (ESGE), and Euro-EUS.

Dr. Zogas Nikolaos is a Gastroenterologist - Hepatologist with a clinic in Kallithea and an external collaborator of some of the largest private clinics in Athens where he performs endoscopy. He graduated from the University of Udine in Italy. He served as Director at the Department of Pathology and Gastroenterology of the University Hospital in Umeå, Västerbotten, Sweden, where he obtained two specialty titles (recognized by the Greek Authorities): Gastroenterology - Hepatology and Internal Medicine. Additionally, he is a PhD candidate at the University of Umeå, where he also served as a trainer for medical residents and nurses at the Medicinkliniken and holds, among others, certification from the two-year program Grundläggande Forskningsmetodik för läkare. He has many years of experience in monitoring hepatology patients and is particularly specialized in clinical (ulcerative colitis, Crohn's disease, diarrheal syndromes, constipation, celiac disease, Helicobacter pylori, collagenous gastritis, etc.) and interventional gastroenterology with numerous difficult endoscopies, polypectomies, and other interventional procedures. He has specific expertise in interventional procedures such as large polyp polypectomies with EMR, balloon enteroscopy (double or single balloon enteroscopy), esophageal variceal ligation, dilation of gastrointestinal strictures, gastrostomy placement (PEG), and others. He served as a consultant in the Gastroenterology Department of the hospital "Elpis" until the end of 2020.

Dr. Zaxou Maria is an External Collaborator at the private hospitals "Lefkos Stavros" and "Mediterraneo" and a PhD candidate at the Medical School of Athens - NKUA, focusing on hydrocolonoscopy and new techniques for the removal of colorectal polyps. She is actively engaged in clinical research and has participated in Greek and international conferences, including the Pan-European UEG 2023, where she was awarded for the COLDWATER study. She is specialized in the management of Irritable Bowel Syndrome (IBS) and is a member of the educational committee of the Rome Foundation. In her private practice, she addresses the full spectrum of Gastroenterology (e.g., Crohn’s disease, ulcerative colitis, Helicobacter pylori infection, GERD, dyspepsia, etc.) and performs gastroscopies and colonoscopies using state-of-the-art equipment, ensuring painless and safe procedures.