Gastroenterologists

Το Πολυϊατρείο Affidea Περιστερίου είναι ένα σύγχρονο πολυϊατρείο που εξυπηρετεί ασθενείς από την ευρύτερη δυτική Αθήνα, προσφέροντας ολοκληρωμένη πρωτοβάθμια και εξειδικευμένη φροντίδα υγείας κάτω από μία οροφή. Με εξειδικευμένους ιατρούς σε ένα πλατύ φάσμα ειδικοτήτων, το κέντρο καλύπτει τις ανάγκες ολόκληρης της οικογένειας - από προληπτικούς ελέγχους έως εξειδικευμένη διάγνωση και παρακολούθηση.

Tzannetakou Ksanthippi is a Gastroenterologist who maintains a private practice in Kolonaki. She studied at the Medical School of the National and Kapodistrian University of Athens and specialized in Gastroenterology at the General Hospital of Athens “Evangelismos.” Additionally, she is an Attending Physician at the B' Gastroenterology Clinic of Iaso Hospital. Finally, she specializes in Endoscopic Gastroenterology (diagnostic and interventional endoscopy of the upper and lower gastrointestinal tract), anorectal diseases (cauterization of warts, diagnosis and treatment of sexually transmitted diseases), idiopathic inflammatory bowel diseases, and endoscopic treatment of obesity (gastric balloon, gastric Botox).

Ο Κουμούτσος Ιωάννης είναι Γαστρεντερολόγος και διατηρεί ιδιωτικό ιατρείο στη Νέα Ερυθραία. Είναι πτυχιούχος Ιατρικής Πανεπιστημίου Πατρών και κάτοχος με Άριστα μεταπτυχιακού τίτλου σπουδών (ΜSc) από το Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών με αντικείμενο τη «Διαχείριση Κρίσεων και Μαζικών Καταστροφών» και πτυχιακή εργασία με θέμα «Μετανάστευση και Ηπατίτιδες στην Ελλάδα». Ειδικεύθηκε στην Γαστρεντερολογία στο 417 ΝΙΜΤΣ (Νοσηλευτικό Ίδρυμα Μετοχικού Ταμείου Στρατού) και είναι κάτοχος Ευρωπαϊκού Διπλώματος Γαστρεντερολογίας και Ηπατολογίας (European Board of Gastroenterology and Hepatology), κατόπιν εξετάσεων. Το 2014 έλαβε υποτροφία από την Ελληνική Γαστρεντερολογική Εταιρεία για μετεκπαίδευση στην Επεμβατική Θεραπευτική Ενδοσκόπηση και Ενδοσκοπικό Υπέρηχο (ΕUS) στη Μεγάλη Βρετανία(UK). Κατόπιν επιτυχούς ολοκλήρωσης της μετεκπαίδευσης του, διατέλεσε επί τριετίας επιμελητής Γαστρεντερολογίας στο Guys & St. Thomas Hospital, εξειδικευμένο κέντρο αναφοράς για τις ιδιοπαθείς φλεγμονώδεις νόσους εντέρου (ΙΦΝΕ - νόσο του Crohn και Ελκώδη Κολίτιδα) στην Μεγάλη Βρετανία, όπου απέκτησε εκτεταμένη εμπειρία στην διαχείριση ασθενών με ΙΦΝΕ. ​Από το 2018 έως και το 2023 εργάστηκε ως Επιμελητής γαστρεντερολογίας στη Γαστρεντερολογική κλινική του Southend University Hospital, Mid & South Essex Foundation Trust, όπου και διατέλεσε επιστημονικά υπεύθυνος του τμήματος ΙΦΝΕ (Ιδιοπαθείς Φλεγμονώδεις Νόσοι Εντέρου) με ενεργό συμμετοχή σε ερευνητικά προγράμματα. Από το 2021 έως το 2023 διατέλεσε Συντονιστής Διευθυντής Ενδοσκοπικού τμήματος του Southend University Hospital, με ιδιαίτερο ενδιαφέρον τόσο στην επεμβατική ενδοσκόπηση όσο και την δημιουργία επιστημονικών πρωτοκόλλων για την ταχύτερη και αποτελεσματικότερη διαχείριση ασθενών. Από το 2023 είναι επιστημονικής συνεργάτης του νοσοκομείου Ιασώ όπου πραγματοποιεί θεραπευτικές επεμβατικές ενδοσκοπικές πράξεις. ​Διαθέτει πολυετή και πλούσια επαγγελματική εμπειρία στην διαχείριση ασθενών με οξείες και χρόνιες παθήσεις του πεπτικού ενώ παράλληλα πραγματοποιώ διαγνωστική και θεραπευτική ενδοσκόπηση συμπεριλαμβανομένου εξειδικευμένων επεμβατικών ενδοσκοπικών εξετάσεων, όπως η ενδοσκοπική παλίνδρομη χολαγγειοπαγκρεατογραφία (ERCP) και ο ενδοσκοπικός υπέρηχος (EUS), πολυπεκτομές, ενδοσκοπικές διαστολές και τοποθέτηση ενδοσκοπικών προσθέσεων (stenting).

Georgios Mylonas is a Gastroenterologist who has maintained a private practice in Aigaleo since 1989. He holds a degree from the Medical School of the National and Kapodistrian University of Athens. He has worked in the Gastroenterology Department of the 1st IKA Hospital (Papadimitriou) and in the same department at the General Hospital of Attica "Sismanogleio." In his private practice, he offers a wide range of services with experience and expertise while respecting the individual needs of each patient. Furthermore, the doctor is a member of the Hellenic Society of Gastroenterology.

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.

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).

Karlaftis Anastasios MD is a Gastroenterologist - Hepatologist and maintains a private practice in Metamorfosi, while also collaborating with the endoscopy department of the diagnostic center "Ionio Iatriki." He is a PhD candidate at the University Gastroenterology Clinic of the Medical School of the University of Athens and a graduate of the Medical School of Aristotle University of Thessaloniki. He specialized in the Gastroenterology Clinic of the General Hospital of Athens "G. Gennimatas" and has worked in major hospitals such as the General Hospital of Athens "Laiko," the General Hospital of Athens "Alexandra," and the General Hospital of Chania "Agios Georgios." The physician has participated in numerous scientific meetings and seminars and has numerous presentations in both foreign-language and Greek-language conferences. Additionally, he has several publications in Greek and international journals. During his tenure in university clinics, he has also contributed to teaching by delivering numerous lessons to medical students. Finally, despite practicing private medicine, he continues his research and writing activities, and recently his first book was published, entitled "Modern Guidelines in Gastroenterology and Hepatology."

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.

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.

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).

Sklavos Panteleimon is a Gastroenterologist with private practices in Nea Erythraia and Oropos. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and specializes in inflammatory bowel diseases, endoscopic gastroenterology, and gastrointestinal oncology. At his private practices, he offers a wide range of services, always respecting the individual needs of each patient.

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.

Arousis Igiant is a Gastroenterologist - Endoscopist and maintains a private practice in Chalandri. He is a graduate of the Medical School of the National and Kapodistrian University of Athens. He completed his specialty in Gastroenterology at the General Hospital of Athens "Evangelismos," performing over 2000 endoscopic procedures of the upper and lower gastrointestinal tract during his training. He has served as the lead physician at the clinics "Athinaion" and "Agios Eleftherios," as well as the lead physician in the Hemodialysis Unit at the "Eugenidio Foundation." Additionally, he has served as a regular supervising physician at the 417 Military Nursing Institution of the Army Share Fund. Finally, he has worked as a gastroenterologist at the Eugenidio Therapeutic Center.

Sevastopoulos Stauros is a Gastroenterologist with a private practice in Nea Smyrni. He graduated from the Medical School of the University of Thessaly and specialized at the General Hospital of Nikaia - Piraeus "Agios Panteleimon". He holds specialization in endoscopic gastroenterology and hepatology. To date, he is the Head of the Gastroenterology Department at the Medione Clinic in Glyfada and an External Collaborator at the Medical Center of Palaio Faliro. He has participated in numerous interventional endoscopy seminars, as well as international conferences, and has several publications in reputable gastroenterological journals. The practice offers all types of endoscopies (gastroscopy - colonoscopy), investigation of anemia, malabsorption syndrome, constipation, Helicobacter pylori assessment, management of irritable bowel syndrome, and reflux disease. Additionally, preventive screening tests are conducted for high-risk groups.

Lazaridis Nikolaos MD MSc PhD is a Gastroenterologist specialized in Interventional Endoscopy and Enteroscopy. He maintains a private practice in the center of Thessaloniki on Agias Sofias Street. He completed his doctoral dissertation at the Aristotle University of Thessaloniki and holds a medical degree from the same university. He specialized in Gastroenterology at the AHEPA University General Hospital of Thessaloniki and subsequently received further training in Interventional Endoscopy, Enteroscopy (capsule endoscopy and interventional enteroscopy), and Transnasal Endoscopy at the Royal Free Hospital in London (under the direction of Dr. Edward J. Despott, Head of the Endoscopy Department). Additionally, he specialized in interventional endoscopy at Jichi University Hospital in Japan. Following this, he remained at the Royal Free Hospital in London, where he has since worked as a permanent endoscopist in the hospital’s Endoscopy Department, performing numerous interventional endoscopic procedures. He completed his doctoral research on Irritable Bowel Syndrome (IBS) and holds a postgraduate degree in Health Units Management from the Hellenic Open University. He has served as a scientific collaborator at the 2nd Propaedeutic University Clinic of Hippocrates Hospital and at the 1st University Clinic of AHEPA Hospital in Thessaloniki. Finally, he is a member of numerous scientific societies, has attended numerous Greek and international conferences, participated in various specialized seminars, and has publications and written presentations both in Greece and abroad.