Gastroenterologists for Νόσος Crohn

Kouloumpis Xaris is a Gastroenterologist and maintains a private practice in Aigaleo. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has worked at the General Hospital of Athens "Evangelismos." He possesses significant and extensive experience and specializes in hepatology, endoscopic gastroenterology, and digestive oncology. In his private practice, he offers a wide range of services, tailored to the needs of each patient.

Papaleksi Fani is a Gastroenterologist with private practices in the center of Thessaloniki and Kalamaria. She also serves as a Scientific Associate at the 4th University Department of Internal Medicine in Thessaloniki and as a collaborator of the BioClinic Thessaloniki. She holds a degree from the Medical School of Aristotle University of Thessaloniki and is a doctoral candidate in Medicine at the same institution. She obtained her specialty in Gastroenterology at the 1st Propaedeutic Clinic of the General University Hospital of Thessaloniki "AXEPA" and received further training in interventional endoscopy in Rome. She has participated as a researcher in international research protocols in the field of viral hepatitis and idiopathic inflammatory bowel diseases. She has published articles in international scientific journals and has presented research findings at international conferences. Finally, she is a member of the Hellenic Gastroenterological Society and the British Medical Association.

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).

Kiapidou Stefania is a Gastroenterologist - Hepatologist and maintains a private practice in Kalamaria. She holds a medical degree from the Aristotle University of Thessaloniki and obtained her Gastroenterology specialty title at the 4th University Department of Internal Medicine of the Hippokration General Hospital of Thessaloniki, where she continues to be an active member as a scientific collaborator. She has earned a postgraduate degree focusing on Hepatology, specifically non-alcoholic fatty liver disease. She is a member of the Hellenic Gastroenterological Society and the Hellenic Association for the Study of the Liver. Her scientific work includes participation and presentations at national, European, and American conferences, as well as publications in both Greek and international peer-reviewed scientific journals. Dr. Kiapidou has extensive experience in interventional endoscopy and capsule endoscopy. Additionally, she is skilled in the diagnosis and management of gastroenterological diseases and chronic conditions of the liver, biliary tract, and pancreas, and has expertise in esophageal manometry. Finally, she is an external collaborator of private clinics in Thessaloniki.

Siannis Dimitrios is a Gastroenterologist who maintains a private practice in Gerakas. He is specialized in hepatology and endoscopic gastroenterology, with particular expertise in therapeutic and interventional endoscopic techniques (gastric and colon polypectomies). He completed his Gastroenterology training at the 1st IKA Hospital and the General Hospital of Attica Sismanoglio. The physician is a member of the Hellenic Gastroenterological Society and the Professional Association of Gastroenterologists. In his private practice, he manages conditions across the entire spectrum of gastroenterology and provides specialized services tailored to the needs of his patients.

Kostas Athanasios MD, PhD is a Gastroenterologist with a private practice located in Kato Toumpa, Thessaloniki. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the same Medical School. He initially specialized at the General Hospital of Mytilene "Vostaneio" and completed his Gastroenterology specialty training at the University Gastroenterology Clinic of the General Hospital of Athens "Laiko." Additionally, he has served as a Scientific Collaborator in the Endoscopy Department of the 1st Propaedeutic Clinic of the University General Hospital of Thessaloniki AHEPA. Dr. Athanasios has participated in numerous conferences, symposia, and workshops throughout Greece, focusing primarily on Gastroenterology, Hepatology, and Digestive Oncology. He also has numerous presentations at Greek and international conferences, as well as publications in foreign-language journals.

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.

Polykseni Kalisperati is a Gastroenterologist with extensive clinical experience and a strong academic/research background, aiming to provide comprehensive and personalized care to each patient at her private practice. She is a graduate of the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the Medical School of Athens.

She currently serves as an Assistant Gastroenterology Consultant B’ at the General Hospital of Athens "ELPIS," having also trained and worked for several years at the General Hospital of Athens "Laiko" (University Gastroenterology Clinic & Clinic of Pathological Physiology), gaining extensive experience across the full spectrum of modern Gastroenterology. She places special emphasis on interventional endoscopy, digestive oncology, neuroendocrine tumors, gastrointestinal infections (with a specialization in H. pylori), and gastrointestinal immunology/gastrointestinal manifestations of autoimmune diseases.

Additionally, she actively participates in scientific publications in international journals and is a regular speaker at conferences. She also maintains an educational role in Pathological Physiology at the Medical School of Athens, contributing to the teaching of undergraduate students.

At her practice, Dr. Kalisperati addresses each case with respect, empathy, and scientific evidence, dedicating time for meaningful discussion, proper information, and clear guidance. Her goal is accurate diagnosis, targeted treatment, and long-term follow-up with an emphasis on prevention and improvement of quality of life.

Ο Δρ. Γιαννακόπουλος Γιώργος είναι Ειδικός Γαστρεντερολόγος-Hπατολόγος-Επεμβατικός Ενδοσκόπος - Παγκρεατολόγος με πολυετή εκπαίδευση και κλινική εμπειρία στη Σουηδία, σε πανεπιστημιακά και ιδιωτικά νοσοκομεία υψηλής εξειδίκευσης, καθώς και διατηρεί ιδιωτικό ιατρείο στο Μαρούσι. Αποφοίτησε από την Ιατρική Σχολή του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών με βαθμό πτυχίου «Άριστα». Μετά την ολοκλήρωση των σπουδών του, συνέχισε την εκπαίδευσή του στη Σουηδία, όπου ειδικεύτηκε στην Εσωτερική Παθολογία στο Νοσοκομείο Danderyds Sjukhus της Στοκχόλμης, αποκτώντας τον τίτλο ειδικότητας το 2014. Στη συνέχεια, πραγματοποίησε την εξειδίκευσή του στη Γαστρεντερολογία στο Karolinska Universitetssjukhuset, ένα από τα κορυφαία πανεπιστημιακά νοσοκομεία της Ευρώπης. Ο τίτλος ειδικότητας Γαστρεντερολογίας του απονεμήθηκε το 2017. Από το 2021 έως σήμερα, εργάζεται ως ειδικός γαστρεντερολόγος στις γαστρεντερολογικές κλινικές Capio και Aleris στη Στοκχόλμη, προσφέροντας υψηλού επιπέδου ιατρικές υπηρεσίες τόσο στον διαγνωστικό όσο και στον θεραπευτικό τομέα. Το κλινικό του έργο καλύπτει ένα ευρύ φάσμα περιστατικών, όπως Διαγνωστική και θεραπευτική ενδοσκόπηση (γαστροσκοπήσεις, κολονοσκοπήσεις, αφαίρεση πολυπόδων), Διαχείριση φλεγμονωδών παθήσεων του εντέρου (Νόσος Crohn, Ελκώδης Κολίτιδα), Αντιμετώπιση λειτουργικών διαταραχών του πεπτικού (δυσπεψία, Σύνδρομο Ευερέθιστου Εντέρου), καθώς και παρακολούθηση και θεραπεία ηπατοπαθειών και παγκρεατικών παθήσεων. Παράλληλα με την κλινική του δραστηριότητα, ο Δρ. Γιαννακόπουλος έχει αναπτύξει ενεργό επιστημονικό και εκπαιδευτικό έργο. Την περίοδο 2018–2019, ανέλαβε τον ρόλο του υπεύθυνου οργάνωσης του Πανσουηδικού Εκπαιδευτικού Προγράμματος για Ειδικευόμενους Γαστρεντερολογίας, συντονίζοντας σεμινάρια, κλινικές ασκήσεις και επιμορφωτικά προγράμματα για νέους γιατρούς σε εθνικό επίπεδο. Επιπλέον, ο ιατρός έχει συμμετάσχει σε πλήθος ιατρικών συνεδρίων, με στόχο τη διαρκή επικαιροποίηση των γνώσεών του και την παρακολούθηση των διεθνών εξελίξεων στη Γαστρεντερολογία. Εφαρμόζει στην καθημερινή του πρακτική τις πλέον σύγχρονες, τεκμηριωμένες θεραπευτικές στρατηγικές, με έμφαση στην εξατομικευμένη προσέγγιση και τον σεβασμό στον ασθενή. Τέλος, η επιστημονική του δραστηριότητα περιλαμβάνει και συγγραφικό έργο σε διεθνή ιατρικά περιοδικά.

Anyfantis Nikolaos is a Gastroenterologist who maintains private practices in Kifisia and Cholargos. He is also the Director of the 2nd Gastroenterology Clinic at IASO Hospital and has served as Consultant at the Gastroenterology Clinic of the private hospital "Mitera". He graduated from the Medical School of the National and Kapodistrian University of Athens with honors, ranking second in his class of 2002. Throughout his professional career at "Sismanogleio", "Attikon", and "Laiko" Hospitals, he gained experience in endoscopies of the digestive system and in managing patients with gastroenterological and hepatological diseases, specifically in inflammatory bowel diseases (ulcerative colitis, Crohn’s disease), treatment of condylomas, and colorectal cancer prevention. He specializes in the endoscopic treatment of obesity, which he performs at IASO Hospital using modern methods, namely a) gastric botulinum toxin injections and b) endoscopic placement of a gastric balloon. He worked for two years in a private biotechnology company in the clinical studies sector for the development of new oncological therapies. To date, he has participated in numerous national and pan-European conferences, aiming for excellent training and continuous updates in his field of expertise. Finally, he is a member of the Athens Medical Association and the Hellenic Gastroenterological Society.

Dr. Stefanos Tingas is a Gastroenterologist – Hepatologist – Interventional Endoscopist. In 2010, he graduated from the Medical School of the distinguished “Tor Vergata” University in Rome. After completing his military service as a military doctor with the 32nd Marine Brigade, he worked as a rural doctor at the Health Center of Sofades in Karditsa, then as a Primary Care Physician at the Vittorakis Polyclinic in Platanias, Chania, and as a sports doctor for the sports medicine company “Actionmed.”He began his specialization in gastroenterology at the 2nd Oncology Clinic of the General Oncology Hospital of Kifisia “Agioi Anargyroi,” where he completed the general internal medicine portion of his training. He then continued his gastroenterology specialization at the General Hospital of Piraeus “Tzaneio,” where he earned the title of Specialist in Gastroenterology and Hepatology.During his specialty training and overall tenure at “Tzaneio” General Hospital, he acquired significant expertise in interventional endoscopy, including techniques such as removal of large polyps, EMR (Endoscopic Mucosal Resection), small bowel investigation with capsule endoscopy, placement of percutaneous endoscopic gastrostomy (PEG), hemostasis of bleeding ulcers, esophageal variceal band ligation, and cauterization of angiodysplasias and other lesions using Argon Plasma Coagulation (APC).Dr. Tingas has also been trained in high-definition endoscopy (Narrow Band Imaging - NBI chromoendoscopy) for the prevention and early diagnosis of early-stage cancer and precancerous conditions of the digestive tract.He has gained extensive experience in managing patients with inflammatory bowel diseases (such as Crohn’s disease and ulcerative colitis), as well as liver diseases, actively participating in the hospital’s hepatology outpatient clinic.Dr. Stefanos Tingas has participated in numerous conferences and seminars and has authored publications in both international and Greek medical journals. He has successfully completed and been certified by the Endoscopy School and the Clinical Hepatology School. He currently works as the Scientific Director of the Gastroenterology and Endoscopy Department at “Affidea” Diagnostic Center in Kallithea and as a collaborating Gastroenterologist at REA Maternity Hospital.

Papadaki Konstantina is a Gastroenterologist with a private practice in Glyka Nera. She holds a degree from the Medical School of the University of L'Aquila in Rome, Italy. She specialized in Gastroenterology at the General Oncology Hospital of Kifisia "Agioi Anargyroi" and in Internal Medicine at the General Hospital of Mesologgi. She has completed further training at the 4th School of Clinical Hepatology and a sedation and analgesia seminar organized by the Professional Association of Gastroenterologists of Greece. Currently, in addition to her private practice, Dr. Papadaki is a collaborator at Bioclinic Athens and Hygeia Hospital. Her clinical and research interests focus on idiopathic inflammatory bowel diseases (ulcerative colitis, Crohn’s disease), interventional endoscopy, hepatological diseases, and gastrointestinal oncology. Lastly, she is a member of the Athens Medical Association, the Hellenic Foundation for Gastroenterology and Nutrition, and the Hellenic Gastroenterological Society.

Sioulas Athanasios MD, PhD, FEBGH is a Gastroenterologist with a private practice in Chalandri. He holds a doctorate from the Medical School of the National and Kapodistrian University of Athens and is also a graduate of the same institution. He completed his specialty training in Gastroenterology at the Hepatogastroenterology Unit of the 2nd Propaedeutic Medical Clinic of the University General Hospital "Attikon" and subsequently undertook advanced training as a fellow of the Hellenic Gastroenterology Society in the Endoscopy Department of the Universitätsklinikum Hamburg - Eppendorf (UKE) in Hamburg, Germany. His advanced training focused on diseases of the pancreas and biliary tract with an emphasis on endoscopic diagnostic and therapeutic techniques (ERCP, cholangioscopy). In addition to his clinical activities, Dr. Sioulas has a special interest in basic and clinical research in the field of gastroenterology, with numerous publications in reputable international scientific journals and presentations at Greek and international conferences. Currently, he practices general gastroenterology and hepatology, covering the entire spectrum of digestive system diseases, with an emphasis on endoscopic diagnostic and therapeutic methods. He works closely with leading surgeons, oncologists, radiologists, and radiotherapists to provide his patients with high-quality services in accordance with current clinical guidelines. Finally, Dr. Sioulas is a member of the Hellenic Gastroenterological Society, the European Board of Gastroenterology and Hepatology, and the European Society of Gastrointestinal Endoscopy.

Spanou Euaggelia MD is a Gastroenterologist with a private practice in Nea Ionia. She is a graduate and PhD candidate of the Medical School of the National and Kapodistrian University of Athens. She completed a Graduate Program in "Health Unit Management" at the Hellenic Open University and received training in Gastroenterology at the Clinic of Pathophysiology of the General Hospital of Athens "Laiko" and at the Internal Medicine Clinic of the General Hospital of Livadia. She possesses valuable professional experience, having collaborated with numerous clinics and undertaken the teaching of Orthopedics - Traumatology and Pathology courses to students of Vocational Training Institutes. Finally, Dr. Spanou has numerous participations in Greek and international conferences and is a member of the Athens Medical Association, the Hellenic Society of Gastroenterology, and the Hellenic Foundation of Gastroenterology and Nutrition.

Margetis Nikolaos is a Gastroenterologist and maintains a private practice in Ambelokipoi. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is certified in ATLS (Advanced Trauma Life Support) by the American College of Surgeons. Additionally, he is specialized in hepatology and endoscopic gastroenterology. At his private practice, each patient can receive information regarding oncology issues related to the organs of the digestive tract, liver, and pancreas. He offers a range of gastroenterological services to patients including gastroscopy, colonoscopy, rectoscopy, polyp removal, and breath testing for Helicobacter pylori. Furthermore, he has extensive experience in interventional endoscopy, performing endoscopic procedures of the upper and lower gastrointestinal tract. He ensures continuous education by actively participating in approximately 40 international medical conferences, lectures, oral presentations, and chairing sessions at 6 international medical conferences. He has been actively involved in around 250 Greek medical conferences, oral presentations, speeches, and chairing sessions at 50 Greek medical conferences, as well as hands-on training at 20 conferences with practical participation. Moreover, he has contributed a substantial body of written work to international and Greek medical journals, as well as to proceedings of international and Greek medical conferences, and possesses teaching experience at university medical schools. Finally, he is the recipient of numerous Distinctions and Awards.

Dr Med Katsoulis Stauros Kai Synergates is a Specialist Gastroenterologist - Hepatologist, Specialist Pathologist, and Intensivist, with a practice based in Chania. He is a graduate and Doctor of Medicine from the University of Göttingen Medical School and an Assistant Professor at Ruhr University Bochum in Germany. He completed his full specialization in Germany, where he worked for 33 years at the highest level of German medicine. From 2002 to 2019, he served as the Director of Gastroenterology at the KKLE Hospital in Germany, an Academic Teaching Hospital of Heinrich Heine University Düsseldorf. He has published numerous articles in international scientific journals and has presented research findings from his work. The modern gastroenterology clinic is fully equipped with high-resolution endoscopes from Olympus. It also features a new ultrasound device from Canon (Xario 200G) for ultrasounds of the upper and lower abdomen, as well as a device for performing respiratory tests for food intolerances (such as lactose, fructose, etc.). Finally, the doctor collaborates with the private Gavrilakis Clinic in Chania.

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.

Sazanidis Vasileios is a Gastroenterologist and maintains a private practice in Dafni. He graduated from the Medical School of Aristotle University of Thessaloniki and received a scholarship from the Hellenic Foundation of Gastroenterology and Nutrition for advanced training in the United Kingdom, specializing in interventional endoscopy at the Victoria Hospital of Blackpool. During his training, he performed a large number of colonoscopies, gastroscopies, sigmoidoscopies, ERCPs, as well as endoscopic gastrostomies, esophageal stent placements, esophageal variceal ligations, endoscopic hemostasis, esophageal dilations, and numerous polypectomies and mucosectomies. He specialized in Internal Medicine at the 424 General Military Training Hospital of Thessaloniki and in Gastroenterology at the 1st Propaedeutic University Clinic of the General Hospital of Athens "Laiko." He has worked at the private clinic "Central Clinic of Athens" and as an external Scientific Collaborator at the Hepatology Clinic of the University Gastroenterology Clinic of the General Hospital of Athens "Laiko." Since 2019, he has been working at the Diagnostic Medical Center "Kosmoiatriki" and has been working periodically as a Gastroenterologist in various hospitals in the United Kingdom since 2014, conducting clinical work, endoscopies, and outpatient clinics (Royal Bournemouth Hospital, Bournemouth - Darlington Memorial Hospital, Darlington - St Helier Hospital, London - James Paget Hospital, Great Yarmouth - Bristol Royal Infirmary, Bristol). Finally, he is an Accredited Member of the British Society of Gastrointestinal Endoscopy (JAG).

Leontidis Xristos is a Gastroenterologist-Endoscopist-Hepatologist who maintains a private practice in Komotini. He holds a degree from the Medical School of Aristotle University of Thessaloniki. He specialized in Gastroenterology at the Pathology Clinic of Komotini Hospital and the Gastroenterology Clinic of the University Hospital in Heraklion, Crete. He is specialized in Hepatology, Inflammatory Bowel Diseases, and Endoscopic Gastroenterology. In his private practice, he manages a wide range of cases, guided by his excellent scientific knowledge and supported by his extensive experience.