General surgeon with experience in Umbilical hernia in Chalandri

Ο Γιάλβαλης Δημήτριος MD, MSc είναι Διευθυντής Χειρουργός του Ε' Χειρουργικού Τμήματος της Ευρωκλινικής Αθηνών. Γενικός Χειρουργός με εξειδίκευση στην Χειρουργική Ενδοκρινών και στην Λαπαροσκοπική & Ρομποτική Χειρουργική και κάτοχος τίτλου Μεταπτυχιακού Τίτλου (MSc) στην Ελάχιστα επεμβατική και Ρομποτική Χειρουργική του Πανεπιστημίου Αθηνών. Διατηρεί ιδιωτικό ιατρείο στο Χαλάνδρι και στην Καλαμάτα. Ολοκλήρωσε τις ιατρικές του σπουδές στο Δημοκρίτειο Πανεπιστήμιο Θράκης και ειδικεύθηκε στη Γενική Χειρουργική, τόσο στην Ελλάδα Γενικό Νοσοκομείο Καλαμάτας, 251 Γενικό Νοσοκομείο Αεροπορίας και στην Β΄ Χειρουργική Κλινική του Γενικού Νοσοκομείου Αθηνών "Ο Ευαγγελισμός", όσο και στη Μεγάλη Βρετανία σε αναγνωρισμένες έμμισθες θέσεις από το Royal College of Surgeons of England, σε Leeds και Manchester (NHS Hospitals). Μετεκπαιδεύτηκε στη Λαπαροσκοπική Χειρουργική Άνω Γαστρεντερικού στο St’James University Hospital στο Leeds, εξειδικεύτηκε (ως Senior Clinical Fellow) στην Ενδοκρινική Χειρουργική του King’s College Hospital στο Λονδίνο και ακολούθως μετεκπαιδεύτηκε στο Πανεπιστημιακό Νοσοκομείο της Πίζας στην ελάχιστα επεμβατική ενδοσκοπική θυρεοειδεκτομή / παραθυρεοειδεκτομή (MIVAT MIVAP). Συμμετείχε σε πλήθος μετεκπαιδευτικών σεμιναρίων Λαπαροσκοπικής χειρουργικής και σύγχρονων χειρουργικών τεχνικών, στην συγγραφή επιστημονικών άρθρων, σε παρουσιάσεις και ομιλίες σε ποικίλα ιατρικά συνέδρια, καθώς επίσης είχε ενεργό ρόλο στην εκπαίδευση των ειδικευομένων και φοιτητών ιατρικής. Έχει διατελέσει συνεργάτης Χειρουργός στο Τμήμα Μαστού του Νοσοκομείου Metropolitan, υπηρέτησε ως επικουρικός Επιμελητής Β΄ στην Α΄ Χειρουργική Κλινική του Γενικού Νοσοκομείου Αττικής ΚΑΤ, Επιστημονικός Συνεργάτης Ενδοκρινικής Χειρουργικής, στην Κλινική Γενικής & Λαπαροσκοπικής Χειρουργικής και Χειρουργικής Πεπτικού στο Ιατρικό Κέντρο Αθηνών και Επιστημονικός Συνεργάτης Ενδοκρινικής Χειρουργικής του Metropolitan General. Έχει πολύπλευρη και μακρόχρονη εμπειρία, έχοντας πραγματοποιήσει μεγάλο αριθμό επεμβάσεων όλου του φάσματος της Γενικής, Λαπαροσκοπικής, Ενδοκρινικής και Ογκολογικής χειρουργικής, καθώς και επείγουσας χειρουργικής και χειρουργικής τραύματος.

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.

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.

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.

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.

Georgantas Dimitrios is a General Surgeon and maintains a private practice in Marousi. He graduated from the Medical School of the National and Kapodistrian University of Athens and specialized in General Surgery at the Pediatric Surgery Clinic of the General Hospital of Piraeus “Tzaneio” and in Surgery at the University Clinic of the University Hospital of Athens Aretaieio. Additionally, he holds a PhD from the Department of Surgery at the National and Kapodistrian University of Athens and collaborates with Metropolitan General. He has also served as Deputy Director at the Third Surgical Clinic of HYGEIA Hospital and is a member of the Hellenic Surgical Society.

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.

Georgios Bpagias is a General Surgeon, PhD holder from the Medical School of Athens. He completed his medical studies at the Medical School of Athens with "Excellent" marks and undertook his specialty training in Greece and Germany (university clinics of general surgery and transplantation in Hannover and Essen). Concurrently, he completed his doctoral thesis on short bowel syndrome also with "Excellent" marks, while specializing in minimally invasive colorectal surgery at the University of Strasbourg, with an emphasis on modern laparoscopic techniques. Subsequently, he completed specialization in pelvic floor disorder management at the University of Venice.

In his clinical practice, he manages general surgery cases covering a broad spectrum, from minor procedures and routine laparoscopic surgeries to specialized colorectal and pelvic floor surgeries. His primary concern is responsible and evidence-based consultation on all surgical issues, aiming for appropriate guidance and making safe therapeutic decisions.

He maintains active scientific involvement, participating predominantly as a speaker and trainer in international, as well as pan-European and Greek scientific conferences. Additionally, he is the author of numerous scientific publications in international journals indexed in PubMed, reflecting his continuous engagement with scientific documentation and the advancement of surgery.

His philosophy is based on the proper and personalized evaluation of each case, evidence-based decision-making, and the avoidance of unnecessary surgeries when not required. Special emphasis is placed on clear, honest, and understandable communication with the patient, to ensure active participation in the therapeutic process and to foster a sense of safety and trust.

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.

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.

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.

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.

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.