Gastroenterologists for Gastroenteritis

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.

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.

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.

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.

Iatrokosmos is a comprehensive primary healthcare unit located in the Ampelokipoi area. It consists of the Iatrokosmos Gastroenterology Department, which is staffed by highly trained scientific personnel and equipped with state-of-the-art medical technology. The center's purpose is to provide the solution that each patient desires, namely diagnosis and treatment, in a cost-effective, reliable manner with only the necessary examinations. The goal is to meet the health needs of every family, insured or uninsured, of any age, with comprehensive solutions. Their philosophy includes three fundamental principles: friendly service – high-quality examinations – affordable prices. Finally, always prioritizing patient safety, they take responsibility for the patient’s health from start to finish, meaning from diagnosis through to treatment.

Ο Πετρίδης Ιωάννης είναι Γαστρεντερολόγος, πτυχιούχος της Ιατρικής Σχολής του Πανεπιστημίου L’Aquila Ιταλίας. Το 2001, κατόπιν διεξαγωγής κρατικών εξετάσεων, όπου και του απονεμήθηκε υποτροφία, ξεκίνησε την ειδικότητα στην Γαστρεντερολογία και Ενδοσκόπηση του Πεπτικού στην Πανεπιστημιακή Γαστρεντερολογική Κλινική του Πανεπιστημίου της L’Aquila Ιταλίας, την οποία και ολοκλήρωσε το 2005 με την μέγιστη βαθμολογία (50/50 magna cum laude). Το 2006 ξεκίνησε την μετεκπαίδευσή του πάνω στον τομέα της Ηπατολογίας και στον τομέα μεταμοσχεύσεων συμπαγών οργάνων (Fellowship in Transplant Hepatology) στο εξειδικευμένο κέντρο έρευνας και μεταμοσχεύσεων ISMETT του Πανεπιστημίου του Pittsburgh στην Ιταλία, ένα από τα μεγαλύτερα κέντρα μεταμοσχεύσεων συμπαγών οργάνων της Ιταλίας, στο οποίο εργάστηκε διατελώντας όλα αυτά τα χρόνια σημαντικό κλινικό και ερευνητικό έργο. Το 2011 έγινε Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου του Palermo στην Ιταλία με βαθμολογία: 70/70, "Άριστα" και το 2013 ανακηρύχθηκε Διπλωματούχος Μεταπτυχιακού προγράμματος στην Διοίκηση, Οργάνωση και Κλινική διαχείριση στην μεταμόσχευση ήπατος που συστάθηκε στο Πανεπιστήμιο Cattolica del Sacro Cuore της Ρώμης στην Ιταλία. Από τον Σεπτέμβριο του 2022 έχει επιστρέψει στην Ελλάδα και είναι επιστημονικός συνεργάτης του Ιατρικού Κέντρου Αθηνών και του "Ερρίκος Ντυνάν" Hospital Center. Επίσης, από τον Ιούλιο 2023 έχει ξεκινήσει συνεργασία με τον Εθνικό Οργανισμό Μεταμοσχεύσεων της Ελλάδος (Ε.Ο.Μ.), αναλαμβάνοντας την θέση του Τοπικού Συντονιστή Μεταμοσχεύσεων στο Γενικό Νοσοκομείο Αθηνών "Ευαγγελισμός" και από τον Ιανουάριο 2024 στο Γενικό Νοσοκομείο Αττικής ΚΑΤ. Έχει πολύχρονη εμπειρία στην αντιμετώπιση παθήσεων του πεπτικού συστήματος. Επιπροσθέτως, το 2023 - 24 εκπαιδεύτηκε στο Ακτινολογικό και Ενδοσκοπικό τμήμα του Νοσοκομείου "Γεννηματάς" για την απόκτηση τίτλου εξειδίκευσης και την χορήγηση άδειας εκτέλεσης υπερήχων ειδικότητας Γαστρεντερολογίας από το Υπουργείο Υγείας. Σε συνδυασμό με την συνεχιζόμενη δια βίου εκπαίδευση και ενημέρωσή του στις σύγχρονες προκλήσεις και εξελίξεις στην Ηπατολογία και στην Γαστρεντερολογία στοχεύει στην ολοκληρωμένη και πάντα εξατομικευμένη προσφορά των ιατρικών υπηρεσιών του. Από το 2009 του έχει απονεμηθεί ο τίτλος του "Clinical Instructor of Medicine" από την Ιατρική Σχολή του Πανεπιστημίου του Pittsburgh των Ηνωμένων Πολιτειών της Αμερικής. Έχει αξιόλογο συγγραφικό έργο και πλήθος δημοσιεύσεων στην Ελλάδα και στο εξωτερικό. Έχει πλούσια επιστημονική δραστηριότητα με συμμετοχή σε ελληνικά και διεθνή συνέδρια με παρουσίαση εργασιών, δημοσιεύσεις σε εγχώρια και διεθνή περιοδικά και συμμετοχή ως κύριος ερευνητής σε εγχώριες και διεθνείς πολυκεντρικές μελέτες. Τέλος, τελεί Ιατρικός Συνεργάτης της ιταλικής πρεσβείας στην Αθήνα.

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.

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.

Orfanidou Afroditi is a Gastroenterologist - Hepatologist and maintains a private practice in Glyka Nera. She holds a PhD from the Medical School of the University of Ioannina and graduated from the Medical School of the University of Crete. She specialized in Gastroenterology at the University Gastroenterology Clinic of the General Hospital of Athens "Laiko".

She has attended the Clinical Hepatology School of the Hellenic Association for the Study of the Liver, the Educational Seminar on Inflammatory Bowel Diseases of the Hellenic Group for the Study of Inflammatory Bowel Diseases, and the Endoscopy School of the Hellenic Gastroenterological Society. She maintains an active scientific presence, participating in Greek and international conferences with oral and written presentations, as well as publications in international scientific journals.

She possesses clinical experience in the diagnosis and management of the entire spectrum of digestive system diseases, with particular interest in inflammatory bowel diseases and diagnostic and therapeutic endoscopy. Additionally, she collaborates with private polyclinics where she performs gastrointestinal endoscopies.

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 Professional Association of Gastroenterologists of Greece.

Papadokostopoulou Aleksandra is a Gastroenterologist who maintains a private practice in Vyronas. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and a PhD from the Medical School of the University of Crete. She specialized in Internal Medicine at the Hospital of Divine Providence “H Pammakaristos” and at the 1st IKA Hospital of Athens, and subsequently specialized in Gastroenterology at the Anti-Cancer - Oncology Hospital of Athens “Agios Savvas.” She is the scientific head of the Gastroenterology Department of the Paleo Faliro Clinic “REA” and has served as a collaborator in the physiology laboratory of the General Department of Basic Medical Sciences at the School of Health Sciences of the Technological Educational Institute of Athens. Aiming for continuous education and updates, she attends Greek and international seminars on digestive system diseases and has numerous announcements and presentations at Greek and international conferences. Finally, the physician is a member of the Hellenic Gastroenterological Society, the Professional Association of Gastroenterologists of Greece, the Hellenic Foundation of Gastroenterology and Nutrition, the European Board of Gastroenterology and Hepatology, and the Hellenic Anti-Cancer Society.

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.

Rizos Euripidis is a Gastroenterologist who maintains a private practice in Agios Dimitrios, Attica. Concurrently, he serves as a consultant in the Gastroenterology Department of "Lefkos Stavros" hospital. He is a graduate and a doctoral candidate at the Medical School of the National and Kapodistrian University of Athens. He obtained his specialty title at the Hepatogastroenterology Unit of the University Hospital "Attikon," where he was trained in the full spectrum of Gastroenterology, Hepatology, and particularly Interventional Endoscopy, having performed a substantial number of diagnostic and interventional endoscopies. He specialized at the Neurogastroenterology Department of Queen Mary Royal London Hospital in the United Kingdom, focusing on gastroesophageal reflux disease, irritable bowel syndrome, and other functional digestive disorders. He actively participates in Greek and international conferences with lectures and presentations, as well as publications in international scientific journals. Finally, he is a member of the Medical Association of Athens and Piraeus and the Hellenic Society of Gastroenterology.

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.

Smyrnidis Aleksandros is a Gastroenterologist with a private clinic in Keratsini. He graduated from the Medical School of the National and Kapodistrian University of Athens and completed a 9-month fellowship in endoscopic ultrasound (EUS) and wireless capsule endoscopy of the small and large intestine in Edinburgh. Additionally, he undertook a 6-month fellowship in the Second Gastroenterology Clinic of the General Hospital "Evangelismos," specializing in endoscopic ultrasound (EUS). He is a member of the Hellenic Foundation for Gastroenterology & Nutrition, the European Association for the Study of the Liver, and the Hellenic Association for the Study of the Liver. He consistently attends conferences and seminars in Greece and abroad, aiming for excellent training and continuous professional development in his area of expertise.

Georgios Xrysakopoulos is a Gastroenterologist who maintains a private practice in Trikala, Thessaly. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his specialty in Gastroenterology at the Endoscopy Department of the 1st IKA Therapeutic Hospital in Athens and at the Gastroenterology Clinic of the General Oncology Hospital of Kifisia "Agioi Anargyroi". Additionally, he is certified by the European Board of Gastroenterology and Hepatology and possesses knowledge in other medical fields, including Pathology, Cardiology, and Surgery. To date, he serves as a Scientific Collaborator at the General Clinic IASO Larissa, and previously participated in the work of the University Clinic "Agioi Anargyroi" concerning liver diseases. Furthermore, he has participated in numerous conferences and seminars both as a delegate and a speaker, is a member of medical associations in Greece and abroad, and has published articles in scientific journals.

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).

Kapetanakis Nikolaos MD, PhD is a Gastroenterologist and operates a private Gastroenterology Center in Volos. He holds a PhD from the Medical School of Aristotle University of Thessaloniki, specializing in colorectal cancer, specifically the role of Helicobacter pylori in colorectal carcinogenesis. He completed his residency in Internal Medicine at the General Hospital of Volos and specialized in Gastroenterology at Hippokration Hospital of Thessaloniki, where he also served as a Scientific Collaborator in the Gastroenterology Department of the 2nd Internal Medicine Clinic. Additionally, he has participated in numerous conferences in Greece and abroad, has published articles in several international scientific journals, and is a member of the Hellenic Gastroenterological Society.

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.