Doctors with experience in Rectal fistula in the Northern suburbs of Athens

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.

Maria Mixailidou MD, FACS, FASCRS is a General Surgeon maintaining a private practice within the HYGEIA Hospital in Marousi. She studied at the Medical School of the University of Patras and continued her medical training in the USA. There, she conducted clinical research in the Department of Emergency Surgery, Trauma, and Critical Care at Massachusetts General Hospital in Boston, under Harvard University, and specialized in General Surgery at the University of Arizona. Additionally, she specialized in Colon and Rectal Surgery at Penn State University. She is board-certified by the American Board of Surgery in General Surgery and by the American Board of Colon and Rectal Surgery. She possesses significant clinical experience having worked in clinics in the USA, as well as extensive scientific and research experience, reflected in numerous publications in international scientific journals and chapters she has authored in international surgical textbooks.

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. 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.

Dr. Svoronos Gerasimos is a General Surgeon with a private practice in Cholargos. He has 38 years of surgical experience, having performed a large number of operations. He holds a PhD and a degree from the Medical School of the National and Kapodistrian University of Athens. He served as the Head of the Surgical Department at the General Hospital for Thoracic Diseases of Athens "Sotiria" for 20 consecutive years. During his 20 years at the clinic, he participated in a significant number of surgical procedures.

Kaloxristianakis Nikolaos is a General Surgeon and Director of the 6th Surgical Clinic at Errikos Dunant Hospital Center. He has specialization and extensive experience in advanced laparoscopic surgery of abdominal wall hernias and the digestive system (gallbladder, large and small intestine, stomach), as well as in diseases of the anus. He is a member of the Hellenic and European Societies of Endoscopic Surgery and the European Hernia Society (EHS) and maintains an active presence at international conferences in the field of Laparoscopic Surgery.

Dr. Theodoropoulos Dionysios is a Proctologist with 19 years of extensive experience in a wide range of surgical procedures, including laparoscopic and open methods. He specializes in laparoscopic excision of pilonidal cysts and the management and treatment of hemorrhoids. He holds a medical degree ("Diploma de Licensa," Diploma of License MD) from the "Universitatea de Medicina si Farmacie GR T POPA" Medical School and has obtained professional licenses to practice in Greece, Sweden, Spain, and Romania. Within the scope of his specialization in General Surgery, he completed advanced training in the Vascular Surgery Department of the Konstantopouleio General Hospital and in the Plastic Surgery Department of the Oncology Hospital Agioi Anargyroi. At Konstantopouleio General Hospital, he served as the primary surgeon or first assistant surgeon in a wide range of surgical procedures using both laparoscopic and open techniques. He has worked in the Emergency Department and has been responsible for the postoperative care and treatment of patients with liver and pancreatic cancer. He manages numerous cases by leveraging his scientific expertise and extensive experience, always focusing on delivering the highest quality of care tailored to the individualized needs of each patient he treats.

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.

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.