General surgeons in the Northern suburbs of Athens

Kelgiorgi Dionysia MD, MSc is a General Surgeon with a private practice in Chalandri. She holds a Master's Degree in "NEW TECHNOLOGIES IN DIGESTIVE SURGERY – MINIMALLY INVASIVE TECHNIQUES – BARIATRIC SURGERY" from the National and Kapodistrian University of Athens (NKUA). She is currently an instructor in this postgraduate program at the University of Athens. She has received certification in laparoscopic surgery from the internationally renowned IRCAD center of excellence in Minimally Invasive Surgery, Strasbourg. She is also certified in the use of surgical laser from a reference center for perianal diseases in Leipzig, Germany. She specializes in Minimally Invasive Surgery (Laparoscopic and Robotic Surgery, Surgical Laser), as well as surgical oncology. She has served as Consultant Surgeon in the Robotic Surgery and Surgical Oncology Clinic at Metropolitan General Hospital and held the same position for three years at the Euroclinic of Athens. Additionally, she was Consultant Surgeon at the accredited Center of Excellence for Thyroid and Parathyroid Surgery of the Euroclinic Athens. She is a member of Greek and European scientific societies, including the European and Hellenic Society of Endoscopic Surgery, the European and Hellenic Hernia Society, the European Society of Coloproctology, and the Hellenic Surgical Society, participating in their advanced training courses. She has numerous participations in conferences, seminars, and symposia in Greece and abroad and serves as a reviewer for the medical journals Cancer Medicine and Hepatobiliary & Pancreatic Diseases International.

Emmanouilidis Mixalis MD MSc FACS is a Surgeon, Senior Consultant of the First Surgical Department at Ygeia Hospital, a Centre of Excellence in Hernia Surgery within the Department of Abdominal Wall Hernia Repair Surgery (SRC).

He specializes in Advanced Minimally Invasive Surgery – Laparoscopic and Robotic – as well as in the Modern Treatment of Anorectal Disorders – Hemorrhoids and Pilonidal Sinus using Laser technology.

He holds a postgraduate degree (MSc) in Surgical Oncology from the Medical School of the National and Kapodistrian University of Athens.He has received specialization and certification in Laparoscopic Inguinal Hernia Repair with 3D Mesh (TEP and TAPP) from the Royal College of Surgeons, the Surgical Training Institute (STI), and the leading mesh company BD - Bard.

He actively participates in Greek and international Surgical Conferences and Hands-on Workshops, while utilizing the most advanced equipment for the benefit of the patient.

He is a Fellow of the American College of Surgeons.

Georgios Sarris MD, MSc, is a General Surgeon, Deputy Director of the 3rd Surgical Clinic at Errikos Dynan Hospital, with a private practice in Nea Erythraia. He has completed postgraduate studies in Minimally Invasive and Robotic Surgery at the Medical School of the National and Kapodistrian University of Athens (NKUA). He further trained in minimally invasive management of anorectal diseases (Laser LHP, SiLaC, FiLaC) in Germany, as well as in Laparoscopic Surgery. He specialized in the 2nd Surgical Clinic of K.A.T. Hospital. Finally, he has participated in numerous national and international medical conferences.

Αργύριος Λ. Ιωαννίδης MD, PhD, FACS, FASCRS - Γενικός Χειρουργός

Επιμελητής Χειρουργός Κλινικής Γενικής, Λαπαροσκοπικής, Ογκολογικής και Ρομποτικής Χειρουργικής, Ιατρικό Κέντρο Αθηνών 

Επίκουρος Καθηγητής Κλινικής Χειρουργικής, Ευρωπαϊκό Πανεπιστήμιο Κύπρου

Ειδικεύτηκε στη Γενική Χειρουργική στο Γενικό Νοσοκομείο Αττικής "Σισμανόγλειο" και στο Digestive Disease Center του Cleveland Clinic της Florida των ΗΠΑ με υποτροφία της Ελληνικής Χειρουργικής Εταιρείας. Είναι Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών. Είναι Fellow μετά από κρίση του American College of Surgeons (ACS) και του American Society of Colon and Rectal Surgeons (ASCRS). Έχει διατελέσει εκπρόσωπος των νέων χειρουργών παχέος εντέρου και ορθού της Ευρώπης στην Επιτροπή Μελών του European Society of Coloproctology (ESCP). Έχει εκπαιδευτεί στο Μιλάνο και στη Βιέννη στις τεχνικές TransAnal Minimally Invasive Surgery (TAMIS) και σε όλες τις νεότερες τεχνικές αντιμετώπισης περιεδρικών συριγγίων αντίστοιχα. Το ερευνητικό του ενδιαφέρον αφορά κυρίως τον καρκίνο του ορθού, τη χειρουργική υπό φθορίζουσες ουσίες και τα μεσο-μακροπρόθεσμα αποτελέσματα της λαπαροσκοπικής και ρομποτικής χειρουργικής στις παθήσεις παχέος εντέρου και ορθού. Έχει διατελέσει υπεύθυνος για την Ελλάδα σε περισσότερες από 10 διεθνείς πολυκεντρικές μελέτες με τις αντίστοιχες δημοσιεύσεις σε περιοδικά μεγάλου κύρους όπως τα Lancet, Anaesthesia και British Journal of Surgery. Είναι κριτής σε 11 περιοδικά χειρουργικής και μέλος του εκδοτικού συμβουλίου στα Nature Scientific Reports, Frontiers in Surgery και Colorectal Disease. Έχει συγγράψει πάνω από 120 άρθρα-δημοσιεύσεις σε ξενόγλωσσα περιοδικά με περισσότερες από 2500 αναφορές. Επίσης έχει συμμετάσχει ως ομιλητής σε περισσότερα από 20 Ελληνικά και Διεθνή Συνέδρια και έχει γράψει 2 κεφάλαια συγγραμμάτων χειρουργικής.

Dr. Tsilividis Vasileios is a General Surgeon specializing in Oncological, Laparoscopic, and Bariatric Surgery, with extensive experience in university and private clinics in France and Greece, having performed over 3,500 surgeries.

He maintains private practices in Marousi and Peristeri.

He graduated from the French School of Athens and continued his studies at the Medical School of René Descartes University in Paris. There, he earned his Doctor of Medicine degree and subsequently obtained numerous university diplomas in France, including specializations in gastrointestinal surgery, oncological surgery, and bariatric surgery. He is also a member of the Hellenic Society of Gastrointestinal Oncology.

His professional career began at the University Hospital of Rouen, where he served as a resident, registrar, and later as a hospital physician. Since 2017, he has worked in clinics in France primarily focusing on General, Laparoscopic, Bariatric, and Oncological surgery, utilizing minimally invasive techniques. Currently, he provides his services at the Athens Medical Center in Marousi and Peristeri.

Dr. Tsilividis has participated in numerous scientific conferences and seminars, published papers in international medical journals, and undertaken educational roles at the university level.

He is fluent in French and English.

Kouzanidis Nikolaos MD, MSc is a General Surgeon with private practices in Nea Ionia and Ampelokipoi. He graduated from the Medical School of the University of Patras and has completed postgraduate studies in minimally invasive surgery, robotic surgery, and telesurgery at the Medical School of the National and Kapodistrian University of Athens. The physician performs laparoscopic cholecystectomies, inguinal hernias, umbilical hernias, and all types of surgical procedures, as well as home-based pressure ulcer debridement. Kouzanidis Nikolaos continuously updates his knowledge in his specialty through active participation in conferences and attendance at seminars. Finally, he is a member of the Medical Association of Athens, the Hellenic Surgical Society, the Hellenic Society of Laparoscopic Surgery & Other Interventional Techniques, as well as the European Association for Endoscopic Surgery.

Ziozia Vasiliki is a General Surgeon, Senior Registrar of the 1st Surgical Clinic at IASO and maintains a private practice in Nea Irakleio. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and a Master's degree in "Surgical Anatomy" from the Medical School of the National and Kapodistrian University of Athens. Dr. Ziozia has received a scholarship from the Hellenic Surgical Society to obtain her postgraduate degree, as well as a scholarship from the Hellenic Society of Coloproctology for specialization in colorectal and anal surgery at St Thomas’ Hospital in London. She initially specialized in Surgery at the General Hospital of Rethymno and subsequently at the General Hospital of Athens "Evangelismos." During 2022-23, she served as a Senior Clinical Fellow in the Colorectal Department at St Thomas’ Hospital in London. Dr. Ziozia has participated in numerous conferences, seminars, and courses and has authored many publications, as well as oral and poster presentations. Finally, she is a member of the Hellenic Society of Coloproctology.

Mousiolis Dimitris MD, MSc, cPhD is a General Surgeon with a private clinic in Ilion. He graduated from the Medical School of Plovdiv University and obtained his specialty in General Surgery from the General Hospital of Athens "Elpis". He holds a postgraduate diploma in Liver - Biliary - Pancreatic Surgery from the Medical Department of Democritus University of Thrace and a Diploma from the Hellenic School of Mastology. Additionally, he has received specialized training in adult cardiopulmonary resuscitation, bariatric surgery, vascular access, sentinel lymph node biopsy, as well as in Laparoscopic & Robotic General Surgery. He specializes in the modern management of perianal diseases and has received specialized training in the minimally invasive treatment of perianal conditions (hemorrhoids, pilonidal cyst, perianal fistulas, anal fissures, condylomas) using specific surgical lasers (LHP, SiLAC, FiLaC) as well as in the treatment of hemorrhoidal disease with the use of ultrasound. To date, he is a collaborating General Surgeon at the Medical Center of Athens, the Bioclinic of Athens, and the Affidea - Euromedical Group. He has published scientific articles in reputable international medical journals and participates in specialized medical events in Greece and abroad. Finally, the doctor is a member of the Medical Association of Athens, the Hellenic Surgical Society, the Hellenic Scientific Society of Robotic Surgery, the Clinical Robotic Surgery Association, as well as the European Resuscitation Council.

Dr. Napoleon Xirokostas is a board-certified General Surgeon with subspecialty training in Laparoscopic, Robotic, and Oncologic Surgery. He maintains a private medical office in Rafina, Greece, and also serves as a Consultant Surgeon at the 1st Surgical Department of IASO General Hospital in Athens.

He completed his residency in General Surgery at Evangelismos General Hospital of Athens, the largest tertiary care and trauma center in Greece, where he also held the position of Chief Resident. Over the course of his training, he participated in more than 1,000 surgical procedures, including a wide spectrum of emergency, oncologic, and minimally invasive surgeries.

Dr. Xirokostas holds a Medical Degree (MD) from the Democritus University of Thrace and a Master of Science (MSc) in Advanced Laparoscopic and Bariatric Surgery from the National and Kapodistrian University of Athens.

He completed his mandatory rural medical service at the General Hospital of Kyparissia and previously served in the Greek Army as a General Medicine Doctor, providing medical assessments and basic life support instruction.

He has received extensive training in trauma surgery (DSTC), laparoscopic and robotic techniques, microsurgery, and emergency abdominal procedures. He is certified in ATLS, ALS, and has participated in numerous specialized surgical workshops and cadaveric dissection courses across Europe.

Dr. Xirokostas has an active academic presence, with several peer-reviewed publications and presentations at national and international surgical congresses.

He treats conditions including:

• Laparoscopic surgeries (cholecystectomy, hernias, appendectomy)

• Thyroid and parathyroid surgery

• Oncologic surgery (colorectal, gastric, skin/melanoma, soft tissue)

• Robotic surgery for complex abdominal cases

• Emergency trauma surgery and general surgical consults

His clinical approach is grounded in personalized care, evidence-based practice, and a strong commitment to patient safety and recovery.

Menelaos Zoulamoglou MD, MSc is a General Surgeon maintaining a private practice in Vrilissia, specializing in modern minimally invasive and oncological surgery. He completed his medical studies at the National and Kapodistrian University of Athens and has undergone extensive postgraduate training through multiple advanced degrees, including surgical oncology and advanced laparoscopic, bariatric, and robotic surgery. Throughout his professional career, he has served at major hospitals in Athens, gaining extensive experience in general and oncological surgery, with years of training in both university and hospital settings, including specialization in surgery. His expertise encompasses a wide range of conditions, such as colorectal surgery, oncologic procedures of the digestive system, as well as liver, pancreas, and breast surgery. His objective is to provide high-quality medical services with an emphasis on patient safety, modern minimally invasive techniques, and individualized surgical care.

Andreas Tellos is a General Surgeon who maintains a private practice in Chalandri. He is a graduate of the Medical School of the University of Athens and has extensive experience in both the public and private sectors. Additionally, Dr. Tellos serves as an auxiliary surgeon at the Lavrio Health Center and actively participates in the on-call program and regular surgeries of the 2nd Surgical Clinic of the General Hospital of Athens “Sismanoglio.” He has worked as a resident and attending physician in the Surgical Clinic of “Sismanoglio,” and has also worked as a private physician in private clinics and diagnostic centers. Since 2025, he has maintained a private surgical office and collaborates with an experienced plastic surgeon. His scientific activities include participation in national and international conferences, with presentations on topics such as laparoscopic cholecystectomy, its complications, and the diagnosis of endocrine gland disorders. He is distinguished by his continuous education and commitment to providing high-quality surgical care.

Dr. Kexagias Aristotelis MD, PhD, FACS is a General Surgeon with a subspecialty in Advanced Laparoscopic and Endocrine Surgery, as well as Laser procedures. He is a summa cum laude Doctor of the Medical School of the National and Kapodistrian University of Athens. He holds two specialty certifications (double specialty): General Surgery (Athens) and Laparoscopic Surgery of the Gastrointestinal Tract and Endocrine Glands, following postgraduate training at the University Hospital of Tampere, Finland. He has received further training at leading international centers in laparoscopic surgery and thyroid/parathyroid surgery, including the Karolinska Institute in Stockholm, Sweden, UMC Utrecht in the Netherlands, and Rudolfstiftung in Vienna. He also completed advanced training in modern minimally invasive Laser techniques at the Tor Vergata University Hospital in Rome. He is certified in advanced laparoscopic surgery by IRCAD France in Strasbourg. He is a member of numerous Greek and international surgical scientific societies and the American College of Surgeons. He has participated as an invited speaker in many international and national conferences. He maintains a private practice in Agia Paraskevi and performs surgeries at private hospitals in Athens.

Xouliaras Xristos MD, MSc is a General Surgeon who maintains a private practice in Marousi. He is a graduate of the Medical School of the University of Patras. He specialized at the 1st Surgical Clinic of the General Hospital of Nikaia and obtained his specialty title in General Surgery. He acquired specialized experience in Surgical Oncology at the "Metaxa" Anti-Cancer Hospital of Piraeus. He holds a Master's degree in Colon and Rectal Surgery from the Medical School of Larissa and has completed numerous postgraduate courses and seminars. He received clinical training in Colorectal Surgery (Clinical Visiting Fellowship in Colorectal Surgery) at St Mark's Academic Institute in London and clinical training in Surgery (Clinical Traineeship) at Pavol Jozef Šafárik University, as well as in Surgical Oncology (Trainee Fellowship in Surgical Oncology) at the National Oncology Institute in Bratislava. Additionally, he trained in Robotic Surgery and Robotic Colorectal Surgery at IRCAD (Strasbourg, France). He specializes in Laparoscopic Colorectal Surgery, Proctology, and Emergency Abdominal Surgery. He applies modern laser treatment methods for anorectal conditions (hemorrhoids, perianal fistula, pilonidal cyst, anal fissure). The physician manages a wide range of cases, always focusing on providing the best possible care tailored to each patient’s needs.

Panagiotakis Emmanouil MD, PhD is a General Surgeon with a private practice in Marousi. He holds a degree from the Medical School of Aristotle University of Thessaloniki and a doctoral degree from the Department of General, Oncological Surgery and Visceral Surgery at the University of Hannover. He specialized at a major Oncology Center in Bremen, Germany (Klinikum Bremen Mitte - Academic Hospital of the University of Gottingen), and has also obtained subspecialty certification in proctology following examinations in Germany. He has worked as an Attending Physician at Klinikum Bremen Mitte, Gesundheit Nord in Germany, and currently serves as an Attending Physician at Iaso General Clinic. He has extensive experience (2011 to 2023) in the management of oncological patients, patients with chronic inflammatory bowel diseases (Crohn’s disease, ulcerative colitis), patients with proctological conditions, as well as patients with benign conditions (e.g., hernias, gallbladder). Finally, the physician is a member of the European Society of Coloproctology.

Dr. Ioannis Virlos is a General Surgeon who maintains a private practice in Glyfada. He graduated from the Medical School of Alexandroupolis, Democritus University of Thrace, obtaining his medical degree in 1990. In 2000, he earned a Master’s degree in Surgical Sciences (MSc in Surgical Sciences) as well as a Diploma from Imperial College London (Diploma Imperial College), United Kingdom. In 2009, he was awarded a Doctorate (Medical Doctorate) from the University of Manchester, UK.He has been a Fellow of the Royal College of Surgeons of Edinburgh (FRCSEd.) since 1998 and of the Intercollegiate Board in Surgery of the United Kingdom (FRCS (Gen Surg)) since 2008. Since 2011, he has been a Fellow of the European Board of Surgery in the field of Colorectal Surgery (FEBS (Coloproctology)).Dr Ioannis Virlos is a specialized colorectal and bariatric surgeon, also trained in minimally invasive surgery — both laparoscopic and robotic. He has received training not only in Greece but also in the United Kingdom, Australia, and Belgium.After completing his military service in 1992, he trained in General Surgery in hospitals in Athens and the United Kingdom between 1992 and 1999, obtaining his specialty title in General Surgery in 1999. From 2002 to 2012, he served as a surgical consultant in hospitals in the UK, Australia, Belgium, and Greece. Specifically, he worked at the following hospitals in the UK: North Middlesex, Arrowe Park, Derriford, Torbay, Exeter, Cheltenham, and North Bristol, as well as at Sir Charles Gairdner University Hospital in Perth, Australia, and Sotiria Hospital in Athens (as Senior Consultant).During the same period, he received advanced training in laparoscopic colorectal surgery and laparoscopic bariatric surgery at Singleton Hospital in Swansea, UK, and Heilighart Ziekenhuis in Roeselare, Belgium.From 2012 to 2021, he worked as a Consultant Surgeon at the following hospitals in the UK: Ealing Hospital, Homerton University Hospital, John Radcliffe & Churchill Hospitals in Oxford, Royal Hampshire County Hospital, Northampton General Hospital, and University Hospitals of Derby and Burton. He returned to Greece in 2021.Since 2023, Mr. Virlos has been the Director of Surgery at Metropolitan General Hospital in Athens. He also serves as the General Secretary of the Hellenic Society of Coloproctology. Finally, for the period 2025–2028, he will represent Greece at the European Society of Coloproctology.

Ioanna Papadopoulou is a General Surgeon and maintains private practices in Cholargos and Glyfada. She performs exclusively laparoscopic surgery for benign and malignant conditions of the upper and lower gastrointestinal tract, gallbladder and bile ducts, as well as all types of abdominal wall hernias. She received her Medical Degree from the “Gr. T. Popa” University of Medicine and Pharmacy in Iasi in 2012. She completed her rural service at the General Hospital of Messinia – Kyparissia Nursing Unit in 2013–2014. In 2021, she obtained her surgical specialty certification.

During her specialty training, she served at the 417 Army Fund Nursing Institution (N.I.M.T.S), where she specialized in advanced laparoscopic surgery for malignant colon diseases, obesity, reflux, and hernias, as well as thyroid malignancies. Additionally, at the Sismanogleio General Hospital of Athens, she participated in a large volume of colon and thyroid cancer surgeries. Considering that the present of surgery lies in laparoscopic and robotic techniques, she attended advanced laparoscopic seminars organized by ELPEN under the auspices of the Hellenic Surgical Society from 2016 to 2018.

In 2021, she completed further training in Surgical Oncology, earning a Master of Science (MSc) degree from the National and Kapodistrian University of Athens. Finally, in 2023, she received additional training in the latest methods for managing complex diaphragmatic hernias and reflux at the Symposium on Innovation in Surgery in Malta.