Gastroenterologists

Dr. Papafragkakis Xarilaos is a Gastroenterologist - Hepatologist - Interventional Endoscopist and maintains a private practice in Kolonaki. He has been fully trained in the USA. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Gastroenterology at the Brooklyn Hospital Center of Mount Sinai - Icahn School of Medicine in New York. He specialized in Interventional Endoscopy at the MD Anderson Cancer Center Hospital of the University of Texas and in Hepatology at the University of Miami - Jackson Memorial Medical Center. Additionally, he holds a specialty in Internal Medicine from the University of Illinois in Chicago and possesses certification from the American Board of Internal Medicine and Gastroenterology. Dr. Papafragkakis is the author of numerous publications in scientific journals and has extensive academic teaching experience. He is a scientific collaborator and performs endoscopies at the Euroclinic Athens Hospital in Ampelokipoi.

Dr. Stefanos Tarazis is a Gastroenterologist – Hepatologist, MD, PhD, with extensive experience in clinical gastroenterology and interventional endoscopy. He first graduated from the Faculty of Pharmacy at the National and Kapodistrian University of Athens, before completing his Medical Degree at the University of Ioannina. In 1997, he obtained his PhD from the Medical School of the University of Athens and received his specialization in Gastroenterology the same year. Later, in 2022, he also earned a specialization in Clinical Pharmacology. He completed his subspecialty training in Interventional Endoscopy at the Royal Berkshire Hospital in Reading, United Kingdom.Dr. Tarazis began his professional career at the Rural Medical Clinic of Derviziana in Ioannina and went on to train in Internal Medicine at the General Hospital of Patission and in Gastroenterology at the NIMTS Hospital in Athens. During his time in the UK, he served as H. Registrar at the Royal Berkshire Hospital, gaining advanced clinical and endoscopic expertise. Since 1998, he has been practicing as a private gastroenterologist in Athens. From 2005 to 2015, he served as a Scientific Associate at Evangelismos Hospital, and since 2015, he has held the position of Director of Clinical Trials and Adverse Drug Reactions at the National Organization for Medicines (EOF). In addition, since 1999, he has been a consulting physician at Mediterraneo Hospital.He is a member of the Athens Medical Association, the Hellenic Gastroenterological Society, the Hellenic Inflammatory Bowel Disease Study Group, and the UK General Medical Council (GMC). He speaks English and French fluently. His private practice is located at 34 Efthroniou Street, behind the Caravel Hotel in Athens, where he sees patients by appointment daily.

Lazaridis Lazaros - Dimitrios is a Gastroenterologist and serves as Consultant in the Gastroenterology – Hepatology Clinic at Metropolitan General in Cholargos. He also maintains a private practice at the Pharos of Neo Psychiko. He studied Medicine at the National and Kapodistrian University of Athens and specialized in Gastroenterology - Hepatology at the University General Hospital “Attikon.” Beyond the national exams for obtaining the Gastroenterology specialty title, he participated in the activities of the 14th Hepatology School of the Hellenic Association for the Study of the Liver and was awarded following his participation in the examinations. He was awarded a Doctorate from the Medical School of the National and Kapodistrian University of Athens in 2017 with a grade of “Excellent.” He completed his doctoral thesis at the 2nd University Pathology Clinic of the University General Hospital “Attikon” focusing on the role of the inflammasome in idiopathic inflammatory bowel diseases. He is the author of more than 15 scientific articles in reputable international scientific journals. He has participated as an invited speaker at Greek conferences and has been part of the authorship team in nearly 50 presentations at international and Greek conferences. He has actively participated in multicenter clinical studies. He has taught students at the National and Kapodistrian University of Athens within the framework of undergraduate courses. He fulfilled his mandatory rural service as a physician at the General Hospital of Trikala in the Regional Clinic of “Koniskos” and served as a Pathology specialty trainee at the General Hospital of Athens “Sismanogleio,” as part of his training for the Gastroenterology specialty. Finally, he fulfilled his military obligations as a unit doctor in the Hellenic Army, serving at the 95th National Guard Reconnaissance Squadron (95 EAΝΕΘ) in Gennadi, Rhodes.

Grammenos Ioannis is a Gastroenterologist who maintains a private practice in Nea Ionia. Simultaneously, he serves as a Specialist Scientific Collaborator at the Central Clinic of the Athens Medical Center. He graduated with honors from the Medical School of the University of Rome and specialized in Gastroenterology - Hepatology at the 2nd Internal Medicine Clinic of the General Hospital of Athens "Evangelismos." Furthermore, he holds a PhD with a dissertation titled "The absorption of fructose and sorbitol in normolactasic and hypolactasic healthy adults." He also has a notable research portfolio with scientific publications in conferences and scientific journals. Finally, the doctor has participated in numerous medical conferences both in Greece and abroad.

Kasapidis Panagiotis MD, PhD, AGAF, FEBGH is a Gastroenterologist - Hepatologist, Director of the Gastroenterology Clinic and the Endoscopy Department at the "White Cross" Clinic. He graduated from the Medical School of the National and Kapodistrian University of Athens and holds a doctoral degree. He is also a Fellow of the European Board of Gastroenterology and Hepatology (FEBGH) and a Fellow of the American Gastroenterological Association (AGAF). He initially specialized in Internal Medicine at the Naval Hospital of Athens and subsequently in Gastroenterology at the Gastroenterology Department of the General State Hospital of Athens. He received further training as a Clinical Researcher, supported by a fellowship from the Hellenic Gastroenterological Society, at the Gastroenterology Department of Saint Bartholomew's Hospital, University of London, United Kingdom. He then served for five years as Consultant and Clinical Researcher at the Gastroenterology Department of the General State Hospital of Athens. For 20 years, he served as Director of the Gastroenterology Clinic and the Endoscopy Department of the Central Clinic of Athens. Since 1991, he has actively participated in seminars, symposia, round tables, live endoscopic demonstrations, postgraduate seminars, and has been invited as a speaker and chairperson at national and international conferences. Lastly, he is the author of numerous foreign (English-language) publications in prestigious international gastroenterology journals. He is also a trainer of his colleagues in interventional endoscopic gastroenterological procedures. He served as president of the Professional Association of Gastroenterologists of Greece (EPEGE) for nine 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.

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.

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.

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.

H Ανδριανάκου Γεωργία MD, MSc είναι Γαστρεντερολόγος – Ηπατολόγος – Επεμβατική Ενδοσκόπος και διατηρεί το ιδιωτικό της ιατρείο στη Νέα Κηφισιά. Παράλληλα είναι συνεργάτης του Γαστρεντερολογικού Τμήματος του Νοσοκομείου Ερρίκος Ντυνάν , όπου διενεργεί όλες τις απαραίτητες ενδοσκοπικές πράξεις : Γαστροσκόπηση με λήψη βιοψιών ,κολονοσκόπηση , πολυποδεκτομή , ορθοσιγμοειδοσκόπηση , τοποθέτηση γαστροστομίας και άλλα. Όλες οι ενδοσκοπικές πράξεις πραγματοποιούνται παρουσία Αναισθησιολόγου και εξειδικευμένου νοσηλευτικού προσωπικού , για την ασφάλεια του ασθενούς. Η κ. Ανδριανάκου είναι απόφοιτος της Ιατρικής Σχολής του Πανεπιστημίου Πατρών. Από το 2013 έως το 2017 εργάστηκε στο Πανεπιστημιακό Νοσοκομείο της Ντιζόν στη Γαλλία CHU Dijon Bourgogne και έλαβε τον τίτλο της Γενικής Ιατρικής. Το 2015 ολοκλήρωσε επιτυχώς το Μεταπτυχιακό δίπλωμα « Ιδιοπαθείς Φλεγμονώδεις Νόσοι του Εντέρου» του Πανεπιστημίου της Lille και του Πανεπιστημίου Sorbonne - Université Pierre- et-Marie- Curie του Παρισίου. Το 2018 επέστρεψε στην Ελλάδα και ξεκίνησε την ειδίκευσή της στη Γαστρεντερολογία – Ηπατολογία στο Γενικό Νοσοκομείο Αθηνών "Γ. ΓΕΝΝΗΜΑΤΑΣ". Το 2020 ολοκλήρωσε επιτυχώς μετά από γραπτές εξετάσεις την παρακολούθηση του 13 ου Σχολείου Κλινικής Ηπατολογίας, το οποίο διοργανώνεται από την Ελληνική Εταιρία Μελέτης Ήπατος. Επιπρόσθετα, το 2021 παρακολούθησε επιτυχώς το Ενδοσκοπικό Σχολείο, υπό την αιγίδα της Ελληνικής Γαστρεντερολογικής Εταιρείας. Το 2022 έλαβε τον τίτλο της Ιατρικής Ειδικότητας της Γαστρεντερολογίας – Ηπατολογίας. Από το 2022 έως το 2025 συνέχισε να εργάζεται στη Γαστρεντερολογική κλινική του Γενικού Νοσοκομείου Αθηνών "Γ.ΓΕΝΝΗΜΑΤΑΣ". Η ιατρός μέσα από της πολυετή θητεία της στο μεγαλύτερο νοσοκομείο της Αττικής απέκτησε μεγάλη εμπειρία στη διαχείριση ευρέως φάσματος σύνθετων γαστρεντερολογικών και ηπατολογικών περιστατικών. Παράλληλα, επιτέλεσε πολυάριθμες ενδοσκοπικές πράξεις. Έχει συμμετάσχει σε πληθώρα ελληνικών και διεθνών συνεδρίων, παρουσιάζοντας εργασίες και αποτελέσματα ερευνητικών μελετών, παραμένοντας έτσι σε συνεχή ενημέρωση για τις εξελίξεις στον τομέα της. Αποτελεί ενεργό μέλος της Ελληνικής Γαστρεντερολογικής Εταιρείας, της Ελληνικής Εταιρίας Μελέτης Ήπατος και της Ελληνικής Ομάδας Μελέτης των Ιδιοπαθών Φλεγμονωδών Νοσημάτων του Εντέρου. Στο ιατρείο της διαχειρίζεται περιστατικά όπως : γαστροοισοφαγική παλινδρόμηση , διερεύνηση αναιμίας, κοιλιακό άλγος, σύνδρομο ευερέθιστου εντέρου, έλεγχος για ελικοβακτηρίδιο του πυλωρού, λιπώδης διήθηση ήπατος, αυτοάνοσα νοσήματα του ήπατος και του παγκρέατος, ηωσινιφιλική οισαφαγίτιδα , νόσος Crohn και Ελκώδης κολίτιδα, γαστρίτιδα, ηπατίτιδα, κίρρωση του ήπατος, αιμορροΐδες και άλλα. Ταυτόχρονα, προγραμματίζει άμεσα μαζί με τον ασθενή όποια ενδοσκοπική πράξη απαιτείται, μετά από ενδελεχή ενημέρωση.

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.

Arvaniti Vasiliki - Peptiko Kai Ygeia is a Gastroenterologist - Hepatologist with a private practice in Piraeus. She studied at the Aristotle University of Thessaloniki and holds a PhD from the University of Patras. She has conducted research and specialized in the liver transplantation department at the Royal Free Hospital in London, and has experience in nutritional counseling and thetahealing. She is a Reiki master and has a particular interest in psychology. She is a member of the volunteer group "Doctors of the Aegean." She is responsible for the gastroenterology department of the Day Care Unit at Yoda Piraeus, collaborates with the general clinic Piraeus "Hippocrates," the Athenian Clinic, the Medifirst Center in Marousi, and the "Metropolitan" Hospital. In her private practice, she treats conditions across the entire spectrum of gastroenterology and provides specialized services tailored to her patients' needs, placing particular emphasis on each patient's psychological well-being.

Dr. Raftopoulos Ioannis MD is a Specialist in Internal Medicine - Gastroenterology and maintains a private practice in Vrilissia. He graduated from the Medical School of Democritus University of Thrace. After 14 years of continuous clinical experience in Germany, he returned to Greece, bringing advanced expertise and specialized experience in interventional gastroenterology. During his tenure, he completed his specialties in Internal Medicine and Gastroenterology, performing thousands of endoscopies, with a focus on advanced techniques such as ERCP and Endoscopic Ultrasound (EUS).

He served for 5 years at a major Academic Hospital in Wuppertal (University of Bochum), where he was responsible for the education of medical students through seminars and presentations. Subsequently, he worked as a Consultant at Nettetal Hospital, performing a large number of interventional procedures.

He has comprehensive training and extensive experience in transabdominal ultrasound, as well as in performing numerous diagnostic and therapeutic punctures, ensuring comprehensive patient management. He specializes in interventional endoscopy (ERCP, EUS) and the use of advanced imaging techniques for the diagnosis of gastrointestinal diseases.

The physician possesses extensive clinical experience and adopts a patient-centered approach. He firmly believes in thorough investigation of each case and in building a trust-based relationship with his patients, providing high-standard medical care based on German organizational standards and medical ethics.

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.

Kyriakos Nikolaos MD, PhD is a Gastroenterologist with a private practice in Ampelokipoi. He holds a doctorate from the Medical School of the National and Kapodistrian University of Athens, with a dissertation focused on wireless capsule endoscopy of the small intestine. Additionally, he possesses the European Board of Gastroenterology & Hepatology diploma and is a graduate of the Medical School of Aristotle University of Thessaloniki as well as the Military School of Corps Officers (SSAS). He completed his specialization in general pathology at the 2nd Internal Medicine Clinic of the 401 General Military Hospital of Athens and in gastroenterology at the 1st Gastroenterology Clinic of the General Hospital of Athens "Evangelismos". He is a Consultant at the Gastroenterology Clinic of the 401 General Military Hospital of Athens and an External Collaborator at the "Vioclinic Ampelokipoi" Hospital. In his private practice, he provides services for all digestive system diseases, idiopathic inflammatory bowel diseases (ulcerative colitis, Crohn’s disease), and endoscopic procedures (gastroscopy, colonoscopy, polyp removal). Finally, he has attended numerous conferences in Greece and abroad and is a member of the Hellenic Gastroenterology Society, the Hellenic Foundation for Gastroenterology and Nutrition, and the Hellenic Study Group for Idiopathic Inflammatory Bowel Diseases.

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.