Gastroenterologists for Gastroenteritis

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.

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).

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.

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).

Stoupar Mprana is a Gastroenterologist who maintains a private practice in Cholargos. She is also a Scientific Collaborator of the Gastroenterology Department at Metropolitan General in Cholargos and at the "Olympion" Clinic, General Clinic of Patras. She graduated with honors from the Medical School of the University of Novi Sad, Serbia, and completed her practical training in the Nephrology Department of the University Hospital of Ljubljana, Slovenia, and the Surgical Department of the University Hospital of Bari, Italy. She obtained her specialty in the Gastroenterology Department of the General University Hospital of Patras. During her career, she served as a physician for EKAV (National Emergency Center) and for five years in the emergency department of the National Emergency Help Center of Serbia, including during the bombing period. Due to this prior experience, she has acquired significant expertise in the proper and rapid management of cases across the full spectrum of Internal Medicine, which makes her particularly appreciated by her patients. Finally, she is a member of the Medical Association of Patras and the Medical Association of Athens and regularly attends conferences and seminars aimed at continuous education and training in her field.

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.

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.

Ms. Panagiotaki Maria, MD, FEBGH is a Gastroenterologist - Endoscopist at Iatriko (Marousi) and maintains a private practice in Kifisia. She graduated with honors from the German School of Athens, was admitted through national examinations, and obtained her medical degree from the Medical School of the University of Athens. In 2006, she was awarded the specialty title in Gastroenterology and later received the European Diploma in Gastroenterology and Hepatology (FEBGH). She pursued further training as a fellow of the Hellenic Gastroenterological Society at the internationally renowned reference hospital "Klinikum Rechts der Isar, der TUM" (Munich) in endoscopy, advanced endoscopic diagnostic and therapeutic techniques for precancerous and other gastrointestinal diseases, as well as endoscopic ultrasound. She has participated in numerous seminars and conferences both in Greece and abroad, accumulating a significant number of publications, focusing on lifelong education and updating. She has extensive experience from her tenure at the "Sismanogleio" and "Red Cross" Hospitals, as well as fifteen years of activity in the private sector, having successfully managed the full spectrum of gastroenterology. She performs upper and lower gastrointestinal endoscopies at the 3rd endoscopy department of the "Iatriko Athinon" Hospital (Marousi) in collaboration with an excellent anesthesiologist to ensure safe and painless examinations with high diagnostic value. She is a member of the Hellenic Gastroenterological Society and the European Board of Gastroenterology and Hepatology.

Mosxovis Dimitris is a Gastroenterologist and a Doctor of Medicine from the Medical School of Athens, with a private practice in Aigaleo. Concurrently, he serves as a Scientific Collaborator at the Medical Athens Clinic Peristeri. He studied at the Medical School of the University of Brescia in Italy and subsequently completed postgraduate studies at the Medical School of the University of Athens. He specialized at the 2nd Oncology Internal Medicine Clinic of the Specialized Anti-Cancer Hospital of Piraeus "Metaxa" and later at the Gastroenterology Clinic of the General State Hospital of Nikaia, where he also served as a Gastroenterology Consultant. He has been a Scientific Collaborator at the 2nd Oncology Clinic of the "Hygeia" Hospital, as well as at Pathology and Nephrology Clinics of the "Medical Athens" group. He has participated in numerous conferences in Greece and abroad, with many presentations to his credit. Additionally, he has an extensive number of publications in Greek and foreign journals. Finally, he has active involvement, to date, as a researcher in numerous international multicenter clinical studies.

Dr. Dogantzis Panagiotis is a Gastroenterologist with private practices in Nea Smyrni and Patissia. He completed his specialty training at the Gastroenterology Department of the Nursing Foundation of the Army Mutual Fund Hospital (NIMTS) and the Internal Medicine Department of the General Prefectural Hospital of Sparta. The physician specializes in gastrointestinal endoscopy, including gastroscopy and colonoscopy, and in the management of esophageal, gastric, and colorectal diseases. Currently, alongside his private practice, he serves as an External Collaborator at Therapis General Hospital, REA Clinic, and the Athens Bioclinic. Furthermore, Dr. Dogantzis is a member of the Hellenic Gastroenterological Society and the Athens Medical Association. Committed to ongoing education and professional development in his field, he actively participates in both Greek and international conferences as well as educational programs.

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.

Gastroenterologist - Hepatologist with experience in diagnostic and therapeutic endoscopies of the upper and lower gastrointestinal tract, esophageal motility studies (achalasia), idiopathic inflammatory bowel diseases (Crohn's disease, Ulcerative Colitis)

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.

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. 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.

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).

Anastasiadis Dimosthenis is a Gastroenterologist - Hepatologist and has maintained private clinics in Kallithea and the Zografou area since 2001. The doctor offers a wide range of services across the entire spectrum of Gastroenterology - Hepatology, including digestive endoscopies, gastroscopies, colonoscopies, and rectoscopies, among others. Finally, he is a member of the Athens Medical Association.

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.

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.

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.