Doctors for Θρόμβωση in Attica

Dr. Tsoutsas Ioannis A is a Vascular Surgeon - Angiologist with a private practice in Vrilissia. He completed his medical studies at the Medical School of Rome (La Sapienza - Roma) and additional training in Vascular Ultrasound Imaging as well as Endovascular Surgery at the National and Kapodistrian University of Athens. He has worked as a Resident and Specialist Vascular Surgeon at the Attikon General Hospital of Attica "Sismanoglio" and currently serves as the Scientific Director of the Vascular Surgery Department at the "IASO" group. Furthermore, he possesses extensive experience in General Surgery from the Athens Polyclinic and the Athens General Hospital "Evangelismos," in Vascular Surgery from the Attikon General Hospital "Sismanoglio," and in Thoracic Surgery from the Athens General Hospital Hippocrates. He is a member of the Medical Association of Athens, the Medical Association of Livadia, the British Medical Association (NHS), the Hellenic Vascular Surgery Society (HVS), and the European Society of Vascular Surgeons (ESVS).

Moustardas Marios MD, MSc, PhD, FICA is a Vascular Surgeon - Angiologist, Director of the Vascular Surgery Department at the "Iasis" clinic in Chania, where he also sees patients in a private practice in Marousi. He holds a doctoral thesis in the Surgical Sector of the Medical School of the National and Kapodistrian University of Athens and a medical degree from Aristotle University of Thessaloniki. Additionally, he received advanced training in endovascular surgery at the European Vascular Masterclass in Amsterdam and in the use of laser for the treatment of varicose veins. Throughout his career, he has worked at numerous hospitals in Greece as an Attending Physician, in some of which he has served as Deputy Director, equipping him with the appropriate knowledge and experience to handle all vascular surgical cases. In his clinics, he employs the endovascular method – placement of stent grafts – and is capable of performing angioplastic restorations with balloons or stent placement in both central and peripheral vessels. Finally, he has published articles in international surgical scientific journals and maintains a continuous presence at Greek and international conferences on Vascular and Endovascular Surgery.

Vakalopoulos Paulos MD, MSc is a Vascular Surgeon - Angiologist, former Director of the Vascular Surgery Clinic at the Naval Hospital of Athens, and Director of the 2nd Vascular Surgery Clinic at Mediterraneo Hospital in Glyfada. He is a graduate of Military Medicine (SSAS), which trains Medical Officers of the Armed Forces who simultaneously attend the Medical School of Aristotle University of Thessaloniki. This dual qualification was achieved with considerable effort, while his continuous education and many years of experience, both at the Naval Hospital of Athens and other units of the Navy, as well as in the private sector, have entrusted him with duties and responsibilities requiring expert knowledge of modern medical technology and decisiveness in daily patient care. His pursuit of advancement in medical science and technology was fulfilled through his postgraduate training in Endovascular Vascular Surgery and Vascular Triplex at Imelda Hospital in Bonheiden, Belgium (2005). Numerous cases employing pioneering methods formed his daily training under the guidance of the Director of the Vascular Surgery Clinic, Patrick Peeters. The determination of his mentor translated into trust for the trainee, resulting in a more comprehensive and effective education. His expertise in Vascular Ultrasound led him to attain a Master’s degree (2016) from the Medical School of the University of Thessaly, completed with distinction ("Excellent"). Ongoing education in new interventional methods using the latest and advanced innovative materials propelled him to earn a Master’s degree (2012) from the Medical School of the University of Athens, completed with distinction ("Excellent"). In the aforementioned Intergovernmental Postgraduate Program "Endovascular Techniques," he is an invited Professor, presenting the latest developments from clinical studies and interesting cases related to the Endovascular repair of Abdominal Aortic Aneurysms.

Georgios Xatzantonis is a vascular surgeon-endovascular surgeon. He trained at one of the largest centers for diabetic foot management and vascular access (fistula) in Germany and specializes in innovative endovascular techniques, having performed over 2,000 related procedures on hemodialysis patients in Germany and Greece. He is the head of the Vascular Access Center at Errikos Dunant Hospital, as well as the head of the Vascular Access Department at the 2nd Vascular Surgery Clinic, National and Kapodistrian University of Athens, at GNA “Laiko” Hospital. Mr. Xatzantonis is the pioneer behind the establishment of the first vascular access center in Greece, recognized by the international Vascular Access Society as a training center for vascular access surgery for hemodialysis patients. Finally, the physician is a scientific collaborator at Errikos Dunant Hospital, Mediterraneo Hospital, and GNA “Laiko” Hospital.

Panagiotis Roukanas is a Vascular Surgeon - Angiologist and maintains his private practice in Nea Smyrni. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the inter-university postgraduate training program in "Endovascular Techniques" from the same University in collaboration with the University of Bicocca in Milan. He completed his military service as a Unit Physician and worked as a rural doctor at Zakynthos Hospital. He specialized in Thoracic Surgery at the Athens Chest Diseases Hospital "Sotiria" and in Cardiac Surgery at the General Hospital of Athens "Hippokration." Additionally, he trained in General Surgery at the Attica General Hospital KAT and in Vascular Surgery at the General Hospital of Athens "Laiko." He is specialized in the diagnosis and treatment of arterial and venous diseases using the most advanced methods, as well as in the treatment of diabetic foot and lymphedema. As part of his specialization, he participated in research programs in the field of Angiogenesis and the treatment of deep Venous Thrombosis. His scientific activity includes presentations at Greek and international conferences and publications in scientific journals. Since 2011, he has also been an affiliated physician at the BioClinic of Athens.

Dr. Georgios Dryllis is a Specialist Hematologist and Assistant Professor at the University of West Attica, maintaining private practices in Ampelokipoi, Glyfada, and Pangrati. He holds a PhD in Medicine from the National and Kapodistrian University of Athens with a dissertation on "Genetic polymorphisms and pregnancy outcome" and is a graduate of the Medical School of Democritus University of Thrace. He has completed postgraduate studies in Oncology at the University of Crete and in Applications in Basic Medical Science at the Medical School of the University of Patras. As part of his specialization, he has worked in the Internal Medicine Clinic of the General Hospital of Syros, the Hematology Department of the Piraeus General Hospital "Tzaneio," and in the Clinical Pathophysiology and Hematology Clinic at the General Hospital of Athens "Laiko." He serves as a Specialist Hematologist - Academic Fellow at the 1st Internal Medicine Clinic of the General Hospital of Athens "Laiko," an External Collaborating Hematologist at "Euroclinic," "Central Clinic," and "Athens Clinic," a Collaborating On-Call Internist at "Central Clinic" and "Athens Clinic," as well as a Physician as an External Collaborator for the Elderly Care Unit "Kosmas o Aitolos" in Perissos. He has an extensive record of publications and participation in scientific conferences with oral presentations and posters. He manages cases covering the entire spectrum of his field, applying his scientific expertise and extensive experience. It would be remiss not to mention his specialization in pregnancy hematology, lymphoma, and leukemia.

Xondropoulos Spyros is a Hematologist and maintains a private practice within the Central Medical Park Polyclinic in Kallithea. He graduated from the Medical School of the National and Kapodistrian University of Athens and obtained his hematology specialty title at the University General Hospital "Attikon" in 2012. He served as a Hematology Registrar at the Transplantation Unit of the University Hospital of Patras as well as at the Hematology Clinic of the General Hospital of Athens "Georgios Gennimatas" in Athens. Since 2020, he has been a Hematology Registrar at the Bone Marrow Transplantation Unit at PGN Attikon.

Additionally, he holds a doctoral degree and is a PhD holder from the National and Kapodistrian University of Athens, actively participating in the education of undergraduate medical students as well as teaching in postgraduate programs.

He specializes primarily in hematologic malignancies with a particular scientific interest in cellular therapies.

Nikolopoulos Euaggelos is a Vascular Surgeon - Angiologist MD, MSc, maintaining private practices in Neo Irakleio, Attica, and Vathy, Samos. He graduated from the Medical School of Democritus University of Thrace and is a Scientific Collaborator at the University Vascular Surgery Clinic of the same university. He is the Chief Vascular Surgeon at Metropolitan Hospital and has served as a Vascular Surgeon Consultant at the Athens Bioclinic. His core principles are: developing an excellent collaborative relationship between physician and patient, providing analytical, clear, and comprehensive information to the patient regarding their condition and treatment options, and ensuring absolute documentation of therapeutic recommendations based on current literature and the latest guidelines from the European Society for Vascular Surgery.

Dr. Papasideris Xristos is a Vascular Surgeon - Angiologist, PhD holder from Democritus University of Thrace, maintaining private clinics in Marousi and Kallithea. He graduated from the Medical School of the University of Rome “La Sapienza” and holds a postgraduate diploma in "Vascular Surgery: Endovascular Techniques." He also completed advanced training at the Vascular Surgery Clinic of Heinrich – Heinle University in Düsseldorf, Germany. He has been a scientific associate at the Vascular Surgery Clinic of the University of Athens, the University General Hospital Attikon, as well as a collaborator and surgeon at private hospitals. During his specialty training, he worked at the Onassis Cardiac Surgery Center, Evangelismos Hospital, Konstantopouleio General Hospital of N. Ionia “Agia Olga,” and the University General Hospital of Alexandroupolis. Additionally, he teaches at the Medical School of the National and Kapodistrian University of Athens as part of the course ‘Vascular Surgery,’ has participated as a speaker in conferences and workshops, and has numerous presentations at international conferences and publications in internationally recognized journals. He is a member of the Hellenic Professional Association of Vascular Surgeons and a board member of the Angiology Society, the Hellenic Vascular Surgery Society, and the Union of EOPYY Physicians (ENI-EOPYY), serving as the General Secretary. Finally, he specializes in the latest minimally invasive endovascular techniques.

Grimpampi Despoina is a Hematologist and maintains private clinics in Spata, Marousi, and Vyronas. She is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed her specialization in Hematology at the First Propaedeutic Internal Medicine Clinic of the General Hospital of Athens "Laiko," where she also specialized in lymphoma. Additionally, she has gained extensive experience in the management of both malignant and non-malignant hematologic disorders, including the investigation of anemias and other blood cytopenias, treatment of myeloproliferative syndromes, as well as lymphoproliferative diseases such as Hodgkin and non-Hodgkin lymphomas and chronic leukemias. Concurrently, she deals with the management of blood coagulation disorders, regulation of anticoagulant therapy, and monitoring of thrombophilic women requiring anticoagulation during pregnancy. Furthermore, she worked for 16 years as a Senior Registrar at the Errikos Dynan Hospital and currently serves as the Scientific Head of Hematology and the Immunology Laboratory at the private hospital "Mitera." Lastly, she is a member of the Hellenic and European Hematology Societies and participates annually in international scientific conferences concerning updates on the latest developments in Hematology.

Dr Med Galanis Nektarios is a Vascular Surgeon maintaining private vascular surgery clinics in Athens and Chalkida. He holds degrees in Medicine and Radiation Protection and is a Doctor of the Medical School of Ulm in Germany. He has been trained in vascular diagnostic ultrasound, endovascular techniques, and endovenous laser ablation techniques for varicose veins. He possesses extensive clinical experience, having worked for 18 consecutive years (2003-2020) in clinics abroad in Germany and Switzerland, and since March 2020, he has been professionally active in Greece.

The vascular surgeon has performed more than 4,500 procedures both abroad and in Greece.

Since 2020, after his repatriation, he has served as the Director of the 1st Vascular Surgery Clinic at "IASO Thessaly". From October 2022, for three consecutive years, he was the director of the 5th Vascular Surgery Clinic at "Metropolitan General", and since September 2025, he has been directing the 2nd Vascular Surgery Clinic at "White Cross - The Athens Clinic" in Athens.

From 2021 for three consecutive years, he has been a scientific associate at the Institute of Anatomy of the Medical School of Aristotle University of Thessaloniki, where he taught Anatomy to medical students. Since September 2025, he continues his academic and teaching activities at the same school, now holding the position of Assistant Professor of Medicine at AUTh Medical School.

Additionally, during the academic year 2024–2025, he served as a scientific associate in the Anatomy Laboratory of the Medical School of the National and Kapodistrian University of Athens.

Mitsiou Pagona is a Hematologist and maintains a private practice in Ampelokipoi. She graduated from the Medical School of the National and Kapodistrian University of Athens and obtained European specialization through the European Hematology Association (EHA). In 2024, she completed postgraduate studies focusing on Thrombosis, Hemorrhage, and Transfusion Medicine at NKUA, further expanding her knowledge and clinical practice. Since 2012, she has been serving in the National Health System, and since 2016, she has worked as a Senior Registrar (Epilipsis B') in the Hematology Clinic and the Autologous Transplantation Unit of the General Hospital of Attica "Sismanogleio - Amalia Fleming." Simultaneously, she maintains a private practice in Ampelokipoi, offering specialized services in the diagnosis and monitoring of hematological disorders, with a scientific approach and patient-centered care. Her experience with complex hematological cases and continuous professional development make her a reliable ally for every patient.

Stamelou Athanasia is a Hematologist and maintains a private practice in Nea Smyrni. She specialized in Hematology at the General Hospital of Athens "Alexandra," the General Hospital of Piraeus "Tzaneio," the General Hospital of Athens "Laiko," as well as the General Hospital of Athens "Evangelismos." She has served as a Second-Level Consultant in the Hematology Department of the General Hospital of Attica "KAT" and in the corresponding department of the Theia Pronoia Hospital "I Pammakaristos." From 2015 to 2020, she worked as an external collaborator of the General Clinic of Kallithea. Additionally, she has attended numerous Greek and international conferences, continuously updates herself on the latest scientific developments in the field of Hematology, and has published articles in scientific journals. Finally, the physician is a member of the Athens Medical Association, the Hellenic Hematology Society, and the European Hematology Association.

Dr. Pessax Ilias is a Hematologist with private practices in Agia Paraskevi and Marousi within the Athens Medical Center. Dr. Pessax was born in Thessaloniki and studied Medicine in Ioannina. Upon completing his specialization in Hematology at the “Laiko” Hospital and his doctoral dissertation, he pursued further training in Israel at one of the world's leading centers for Bone Marrow Transplantation, “Tel HaShomer,” and subsequently worked as a specialist hematologist at one of the largest hemato-oncology centers in the United Kingdom, the Royal Marsden. Following this, Dr. Pessax worked for several years in Greece as an Academic Fellow at the University of Athens, while also serving as a scientific collaborator at the European University Cyprus. Currently, Dr. Pessax is an Associate Professor of Hematology, practices privately in Athens, is a Hematologist at the Athens Medical Center, and regularly continues to practice medicine in the United Kingdom and Belgium as a specialist Hematologist. Scientifically, he has participated in hundreds of Greek and international conferences with numerous significant presentations, has authored many important scientific articles, and has contributed to the writing of two foreign-language medical books.