Gastroenterologists in Attica

Interventional gastroenterologist Konstantopoulos Panagiotis, after many years of professional experience abroad, has been the scientific director of the Gastroenterological Endoscopic Unit at the Athens Medical Residence since April 2022. During his stay in the Netherlands, he worked as a consultant at ADRZ Goes hospital where he performed over 3,000 endoscopies and had the opportunity to specialize in innovative techniques for the removal of large gastrointestinal polyps (endoscopic mucosal resection, chromoendoscopy) using advanced artificial intelligence devices. He served as a member of the scientific board of Admiraal De Ruyter Ziekenhuis hospital in the Netherlands as well as being responsible for scientific protocols and the endoscopy department, head of the outpatient gastroenterology clinics at Admiraal De Ruyter Ziekenhuis hospital, where he managed a large number of cases with inflammatory bowel disease (Crohn’s disease and ulcerative colitis) as well as numerous patients with gastroesophageal reflux disease – Barrett's esophagus, irritable bowel syndrome, constipation, and hemorrhoids. Following successful examinations at St. Antonius Ziekenhuis University Hospital in Utrecht, he was appointed responsible for screening the Dutch population for colorectal cancer (Bevolkingonderzoek accredited). The physician has participated in numerous conferences in Greece and abroad, is a member of scientific societies in Greece and the Netherlands, has a large number of publications in reputable medical journals in Greece and internationally, and has been a member of the Athens Medical Association since 2001, upon graduation from Medical School.

Matina - Lydia Xatzinikolaou MD, PhD is a Gastroenterologist who sees patients in Cholargos at Metropolitan General Hospital. She graduated from the Athens College and subsequently studied Medicine at Nottingham University in England. She holds a PhD from the National and Kapodistrian University of Athens. She completed further training in Inflammatory Bowel Diseases at the Royal Free Hospital in London, after completing her specialty in Gastroenterology at the Athens Anti-Cancer - Oncology Hospital "Agios Savvas." She works as a Consultant in the Advanced Therapeutic Endoscopy Clinic at Metropolitan General Hospital and is a Scientific Associate of the Gastroenterology Unit at the Athens Chest Diseases Hospital "Sotiria," with her primary specialization in inflammatory bowel diseases. She actively participates in Greek and international conferences and has authored scientific publications. Finally, she is a member of the Athens Medical Association, the Hellenic Gastroenterological Society, the Hellenic Group for the Study of Inflammatory Bowel Diseases, and the European Crohn's and Colitis Organisation.

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.

Maria-Theodora Koutroumpi, MD, MSc, is a Gastroenterologist – Interventional Endoscopist with a private practice in Patima, Halandri. She is an affiliated Consultant at the 2nd Gastroenterology Clinic of YGEIA Hospital. Additionally, she performs endoscopies at Affidea Kifisia (contracted with EOPYY) and the private REA clinic. She has significant clinical and endoscopic experience, having performed over 1,600 endoscopies during her specialty training at the General Hospital of Athens "Georgios Gennimatas," and she has also worked as a resident Physician at the General Hospital of Nafplio. She graduated from the Medical School of the University of Patras and holds an MSc from the National and Kapodistrian University of Athens in Human Neoplastic Disease. She participates in international conferences and has been trained in modern endoscopic techniques, such as gastric capsule endoscopy. She has a particular interest in idiopathic inflammatory bowel diseases and interventional endoscopy, emphasizing a personalized and humane approach to each patient.

Panagou Emmanouil is a Gastroenterologist with a private practice in Ampelokipoi. He is a graduate of the Medical School of Aristotle University of Thessaloniki and the medical department of the Military School of Corps Officers. Additionally, he has received further training in hepatology and interventional-therapeutic endoscopy at the Royal Free Hospital in London, as well as in the use of laser technology in gastroenterology at the Middlesex Hospital, also in London. Furthermore, he specialized in gastroenterology at the 2nd Gastroenterology Clinic of the General Hospital of Athens "Evangelismos" for four years and in pathology at the 2nd Pathology Clinic of the 401 General Military Hospital of Athens for two years. He currently serves as the Director Gastroenterologist at the Iatriko Athinon (Psychiko Clinic), Director of the Endoscopy Department at Iatropolis Athinon (Ampelokipoi Clinic), and Gastroenterology Consultant at Metropolitan General. Lastly, he has served for several years as the Director of the Gastroenterology Clinic at the 401 General Military Hospital of Athens and is a member of the Athens Medical Association.

Varytimiadis Lazaros MD, MSc, FEBGH, PhD is a Gastroenterologist - Interventional Endoscopist, Deputy Director of the Gastroenterology Clinic and Endoscopy Department at MITERA Hospital, and maintains private practices in Pefki and Athens. He received a scholarship from the Hellenic Society of Gastroenterology and completed advanced training in Interventional Gastrointestinal Endoscopy at Queen Alexandra Hospital, where he was later appointed and worked as a Consultant. He specialized in Gastroenterology at the General Hospital of Athens "Evangelismos - Athens Ophthalmological Clinic - Polyclinic," as well as in Internal Medicine at the General Prefectural Hospital of Edessa. In 2017, he was recognized as a Fellow of the European Board of Gastroenterology and Hepatology (FEBGH). Additionally, he holds a PhD from the National and Kapodistrian University of Athens, with a dissertation focused on the removal of precancerous lesions (polyps) from the gastrointestinal tract. He completed a postgraduate MSc program in Crisis Management at the National and Kapodistrian University of Athens and graduated with honors from the Victor Babes University of Medicine and Pharmacy in Romania. It is noteworthy that his main clinical interests include complex polypectomies of large polyps (EMR, pEMR, ESD), monitoring patients with Barrett’s esophagus, and Inflammatory Bowel Diseases. Furthermore, he has participated in numerous national and international conferences, workshops, and advanced training seminars, has received scholarships and awards for best scientific presentations, and has delivered oral presentations and posters at various scientific meetings.

Η Βικτώρια Θώδου, MD,PhD, είναι Γαστρεντερολόγος – Ηπατολόγος με εξειδίκευση στην επεμβατική ενδοσκόπηση ανώτερου – κατώτερου πεπτικού και χοληφόρων αγγείων.Γεννημένη και μεγαλωμένη σε αθηναϊκό προάστιο, η γιατρός εισήχθη με Πανελλαδικές Εξετάσεις στην Ιατρική Σχολή του Πανεπιστημίου Αθηνών το 2005, από όπου αποφοίτησε μετά από εξαετή φοίτηση.Αμέσως μετά την αποφοίτησή της, το 2011, μετέβη στη Γερμανία και συγκεκριμένα στο Πανεπιστήμιο του Έσσεν (Universitätsklinikum Essen), ονομαστό πανεπιστημιακό νοσοκομείο και το μεγαλύτερο μεταμοσχευτικό κέντρο ήπατος της Γερμανίας, για την ειδίκευσή της αρχικά στη Γενική Παθολογία, τον τίτλο της οποίας απέκτησε το 2017.Το 2020, ενώ ήδη διατελούσε χρέη επιμελήτριας στην ίδια κλινική, απέκτησε και τον τίτλο της Γαστρεντερολογίας και Ηπατολογίας.Κατά την εκπαίδευσή της μαθήτευσε δίπλα στον ονομαστό καθηγητή Univ.-Prof. Dr. Alexander Dechêne, σε διαγνωστικές αλλά και επεμβατικές πράξεις. Από το 2019 ξεκίνησε τις ενδοσκοπικές εφημερίες επείγουσας γαστρεντερολογίας παίδων και ενηλίκων, στο πλαίσιο των οποίων απέκτησε μεγάλη εμπειρία στην αντιμετώπιση επειγόντων περιστατικών σε ενήλικες (αιμορραγία ανώτερου και κατώτερου πεπτικού, στάση βλωμού, παραλυτικός ειλεός από κοπρόσταση, χολαγγειίτιδα), αλλά και σε βρέφη – παιδιά (αιμορραγία ανώτερου και κατώτερου πεπτικού, στάση βλωμού, κατάποση ξένου σώματος).Παράλληλα, συνεργάστηκε με τον διευθυντή της κλινικής, καθηγητή Univ.-Prof. Dr. med. Heiner Wedemeyer, παγκόσμιας φήμης και αναγνώρισης καθηγητή ηπατολογίας, ως βασική εκπρόσωπος – συνεργάτις του στα προσωπικά του εξωτερικά ιατρεία ηπατολογίας.Στα ανεξάρτητα εξωτερικά ιατρεία του πανεπιστημίου εργάστηκε πολυετώς, ασχολούμενη κυρίως με ηπατολογικά περιστατικά, καθώς και με φλεγμονώδεις νόσους του εντέρου και με μεταμοσχευμένους ήπατος.Στο διδακτικό της έργο περιλαμβάνεται η θεωρητική και πρακτική εκπαίδευση των φοιτητών της Ιατρικής Σχολής του Πανεπιστημίου του Έσσεν και των ειδικευομένων στη Γαστρεντερολογία.Με αυτά τα εφόδια, εξειδικεύτηκε για δύο ακόμη χρόνια στο καθολικό κρατικό νοσοκομείο του Έσσεν, Huyssenstift, κέντρο αναφοράς γενικής χειρουργικής και ογκολογίας, σε βαριές επεμβατικές ενδοσκοπικές πράξεις όπως ERCP και EUS.Στο ακαδημαϊκό της έργο, πέρα από τη διδακτορική της διατριβή στις ιογενείς ηπατίτιδες, συγκαταλέγονται αρκετές δημοσιεύσεις, κυρίως στον τομέα της ηπατολογίας (με βράβευση εργασίας σε πανγερμανικό συνέδριο), καθώς και η συμμετοχή σε πολυκεντρικές μελέτες.Αποτελεί τακτικό μέλος της Ευρωπαϊκής Εταιρείας Γαστρεντερολογικής Ενδοσκόπησης (ESGE), της Γερμανικής Εταιρείας Γαστρεντερολογίας και Μεταβολικών Νοσημάτων (DGVS), της Ελληνικής Γαστρεντερολογικής Εταιρείας (ΕΓΕ) και της Επαγγελματικής Ένωσης Γαστρεντερολόγων Ελλάδος (ΕΠΕΓΕ).Συμμετέχει όλα αυτά τα χρόνια σε διεθνή επιστημονικά συνέδρια που αφορούν τη Γαστρεντερολογία και την Ηπατολογία, και ιδιαίτερα το επεμβατικό τους μέρος.Από το καλοκαίρι του 2023, ύστερα από υπερδεκαετή παραμονή στη Γερμανία, επιστρέφει στη γενέτειρά της, δραστηριοποιούμενη στο Ιατρικό Κέντρο Αθηνών με τον τίτλο της Αναπληρώτριας Διευθύντριας της Β΄ Γαστρεντερολογικής Κλινικής, ενώ συνεργάζεται και με την Κλινική του Ψυχικού.Προς διατήρηση των ακαδημαϊκών της δραστηριοτήτων,συνεργάζεται επίσης με την πανεπιστημιακή κλινική του Λαϊκού Νοσοκομείου ως εξωτερική συνεργάτης.

The Endoskopiki Monada Peiraia - Stauros Karakatsanis MD, PhD is located in Piraeus. The head of the clinic, Endoskopiki Monada Peiraia - Stauros Karakatsanis, holds a PhD from the National and Kapodistrian University of Athens. Additionally, the physician is a Collaborator at "Metropolitan" Hospital and a member of the Hellenic Liver Association. At the specialized clinic he maintains, a wide range of services are provided, tailored to the individual needs of each patient. In the framework of continuous improvement of their medical services, they use state-of-the-art IMAGINA HD endoscopes with chromoendoscopy by Pentax. The Full HD Imagina digital processing system can record and directly reproduce images and videos in Full HD resolution. Their investment in advanced technology, combined with the experience of the unit's head, Endoskopiki Monada Peiraia - Stauros Karakatsanis, guarantees the most reliable diagnosis in digestive endoscopy. They continue with dedication to their vision and values in Gastroenterology, with appreciation and respect for the patients who have supported them with their trust and affection all these years.

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.

Oikonomakis Aristeidis is a Gastroenterologist and maintains his private practice in Glyfada. He was admitted through national exams to the Medical Department of the Military School of Corps Officers (SSAS) in Thessaloniki. He completed his studies in 6 years and was commissioned as an officer in the Air Force (Pilot Officer). He holds a Master of Science (MSc) degree titled "International Medicine - Health Crisis Management." He specialized in Internal Medicine at the 1st Internal Medicine Clinic of the 251 Air Force General Hospital and in Gastroenterology at the General Hospital of Athens "G. Gennimatas." He holds the position of Consultant Physician at the 251 Air Force General Hospital, while from 2017 to 2019, he worked as a Consultant in the United Kingdom as part of his overseas postgraduate training. Finally, he is a member of the Athens Medical Association.

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.

Tzitzi Dimitra is a Gastroenterologist who has maintained a private practice in Chalandri since 1992. She is a graduate of the Medical School of Aristotle University of Thessaloniki with a degree grade of "excellent." She was a scholarship recipient of the State Scholarships Foundation for every academic year and obtained the specialty title in Gastroenterology. She served as a Consultant in the Endoscopy Department of the 1st IKA Hospital for a decade. She has a fully equipped office and performs esophagogastroscopies, rectoscopies, proctoscopies, colonoscopies, abdominal ultrasounds, and endoscopic polypectomies of the stomach and large intestine. Additionally, she provides treatment for gastroesophageal reflux disease – Barrett's esophagus – and inflammatory bowel diseases such as ulcerative colitis and Crohn's disease. Finally, she has participated in numerous scientific papers presented in Greek and international scientific journals and is a member of Greek and European medical associations.

Koutsounas Ioannis is a Gastroenterologist with a private practice in Athens (Nea Filothei area). He is an honored PhD graduate of the Medical School of Athens and an alumnus of the Medical School of Ioannina. He has undergone advanced training in Digestive Endoscopy techniques at the internationally renowned John Radcliffe University Hospital in Oxford, United Kingdom, as a scholar of the Hellenic Gastroenterological Society. He obtained his specialization in Gastroenterology at the "Laiko" and "Sismanogleio" Hospitals in Athens, and his experience has also been enriched at major hospitals and centers abroad, such as John Radcliffe (Oxford), Queen Alexandra (Portsmouth), and the Bank of Cyprus Oncology Center (Nicosia). Currently, he holds the position of University Fellow (full-time salaried collaborator, equivalent to an attending physician) in the 3rd Medical Clinic of the Medical School of the University of Athens at "Sotiria" Hospital, within the Gastroenterology Department, where he works during morning hours. Additionally, he is one of the few gastroenterologists in Greece who holds the European Diploma in Gastroenterology and Hepatology (European Section and Board of Gastroenterology and Hepatology) after examinations. He is a member of various Greek and international scientific societies and associations, has participated in numerous gastroenterology-related conferences and seminars, and has a notable publication record in international journals. He possesses significant experience and skill in Diagnostic and Therapeutic Digestive Endoscopy (Polypectomies - EMR, Dilations, Endoscopic Hemostasis), resulting from the high-standard training he has received abroad.

Zampiadakis Nikolaos is a Gastroenterologist, Director of the 3rd Gastroenterology - Hepatology Clinic at Metropolitan General, and maintains a private practice in Piraeus. His hospital clinic specializes in the diagnosis and treatment of digestive system disorders (gastrointestinal tract, liver, pancreas, and biliary vessels), and the clinic’s physicians have a broad field of expertise, providing high-quality services. Mr. Zampiadakis is a PhD candidate at the National and Kapodistrian University of Athens and holds a degree from the Medical School of the University of Sassari, Italy. He has served as Director Gastroenterologist - Hepatologist at the Medical Center of Palaio Faliro and has worked in major hospitals such as the Specialized Anti-Cancer Hospital of Piraeus "Metaxa" and the General Hospital "Asklipieio" of Voula. Furthermore, it is noteworthy that he has been awarded the Knight’s Cross of the Order of Merit of the Italian Republic, presented by the Ambassador of Italy by decision of the President of the Republic, following the signing of a Presidential decree. In his private practice, he provides a wide range of services, while at Metropolitan General, embracing a high multidisciplinary ethos, he collaborates with colleagues from other specialties such as surgeons, pathologists, radiologists, oncologists, and dietitians, aiming for a holistic approach to each issue and delivering the best possible care to patients and their families. Lastly, Dr. Zampiadakis is a regular member of the Hellenic Gastroenterological Society and the Hellenic Society for the Study of the Liver.

Karatzas Pantelis is a Gastroenterologist who maintains a private practice in the Ampelokipoi area. He completed his doctoral dissertation at the National and Kapodistrian University of Athens and holds a Medical degree from the same university. He received advanced training in Gastrointestinal Endoscopy at the University of Hamburg, Germany, and specialized in Gastroenterology at "Evangelismos" Hospital and in General Pathology at the General Hospital of Chalkida. He is a university fellow at the University Gastroenterology Clinic of the General Hospital of Athens "Laiko" and has served as a scientific collaborator at the University Hepatogastroenterology-Endoscopy Unit of the University General Hospital “Attikon.” Furthermore, he is a member of numerous scientific societies, has attended numerous Greek and international conferences, participated in many specialized seminars, and has publications and written presentations both in Greece and abroad.

Dimitrios Tsounis MD, MSc, FEBGH is a Gastroenterologist with private practices in Neo Psychiko and Acharnes. He graduated from the Medical School of Aristotle University of Thessaloniki and holds postgraduate diplomas in EUS and ERCP from Vita-Salute San Raffaele University in Milan. Additionally, he holds the European Diploma in Hepatology-Gastroenterology (FEBGH), which has led to his specialization in polyp removal. He has extensive professional experience and currently serves as the Deputy Director of the Gastroenterology Clinic at the 251 Air Force General Hospital, where he engages in various gastroenterological procedures. Specifically, in his practice, each patient has the opportunity to be informed about more specialized interventional endoscopic methods such as endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS). Moreover, he provides, both in his practice and in the clinics he collaborates with, a range of basic gastroenterological examinations including colonoscopy, gastroscopy, rectoscopy, urea breath test for Helicobacter pylori, and hepatology screening. Finally, in his ongoing professional development, he participates in numerous Gastroenterology conferences held both in Greece and abroad.