Orthopaedic - Orthopaedic Surgeons

Tasios Nikolaos is an Orthopedic Surgeon with a private practice in Glyfada. He holds a medical degree from Aristotle University of Thessaloniki and specialized in Orthopedics at the Orthopedic Clinic - Hand Surgery Department at Asklipieio Voula. He completed a fellowship as an Orthopedic Surgeon at the Orthopedic Clinic - Knee Disorders and Sports Injuries Department at Erasme University Hospital in Brussels. His practice covers the full spectrum of orthopedic and orthopedic surgical cases, with a specialization in trauma, sports injuries, and hip and knee arthroplasty.

Dr. Zaxariou Stergios MD is an Orthopedic Surgeon - Traumatologist, maintaining private practices in Elefsina and Ano Liosia. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed his specialization at the Orthopedic Department of the General Hospital of Piraeus "Tzaneio." Dr. Zaxariou specializes in sports injuries and is a member of the Medical Team of the Olympiacos B.C. Additionally, he specializes in the minimally invasive Surgical Treatment Method for Carpal Tunnel Syndrome and stays continuously updated on all developments in Orthopedics through participation in conferences. In his private practice, he offers all necessary examinations and patient services including clinical examination, fracture monitoring, kyphosis and scoliosis management, osteoporosis screening, meniscus, cruciate ligament, and chondropathy arthroscopy, as well as intra-articular injections. Finally, Dr. Zaxariou is a member of the Hellenic Arthroscopy Society and the Hellenic Osteoporosis Foundation.

Tsimplakis Mixalis is an Orthopedic Surgeon - Sports Medicine Specialist, Deputy Director of the 8th Orthopedic Clinic at Metropolitan General, and maintains a private practice in Nea Smyrni. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Shoulder Arthroscopic Surgery at the 401 General Military Hospital of Athens. He has particular expertise in knee arthroplasty, meniscal arthroscopy, chondropathy arthroscopy, shoulder arthroscopy, osteoporosis management, as well as monitoring kyphosis, scoliosis, and fractures. Additionally, he collaborates with the Medical Center of Palaio Faliro, BioClinic of Piraeus, and Doctors Hospital. Finally, the physician has contributed to scientific publications both in Greece and internationally.

Pathiakis Ioannis Md, MSc, PhD is an Orthopedic Surgeon who maintains a private practice in Peristeri. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and has obtained two postgraduate degrees in "Minimally Invasive Surgery, Robotic Surgery & Tele-surgery Medicine" and "Surgical Anatomy" from the Medical School of the same university. Additionally, he holds a Doctorate from the National and Kapodistrian University of Athens in the Department of Anatomy. He is specialized in Robotic Knee and Hip Surgery and in Microsurgical Bloodless Carpal Tunnel Release and holds a diploma in Medical Acupuncture from the Scientific Association of Medical Acupuncturists of Greece. He has completed training at numerous hospitals, while his specialty was completed in General Surgery at the General Hospital of Ierapetra. Furthermore, during his career, he has taught courses on First Aid, Traumatology, and musculoskeletal injuries at the IEK of Siteia and at the Volunteer Corps of Samaritans and Rescuers of Siteia, respectively. Finally, as part of his continuous education and updating in microsurgery and medical acupuncture, the physician regularly attends medical conferences, earning personal honorary distinctions.

Beyond Medicine, he holds a degree in Social Theology from the Theological School of Athens.

Dr. Natsioulas Nikolaos is an Orthopedic Surgeon who maintains a private practice in Agia Paraskevi and concurrently serves as a Consultant in the Orthopedic Clinic of the Naval Hospital of Athens. He was admitted through nationwide examinations to the Medical Department of the Military Academy of Corps Officers and to the Medical School of Aristotle University of Thessaloniki. He graduated in 2006 with the grade "very good" and was commissioned as an Ensign in the Hellenic Navy. He initially served as a physician on the Hellenic Navy's frigate Elli, and in 2009 began his specialization in Orthopedic Surgery at the Naval Hospital of Athens. In 2011, he moved to Glasgow, United Kingdom, where he completed a 4-year residency in Orthopedic Surgery and Traumatology. In 2015, after examinations, he became a member of the Royal College of Surgeons of Great Britain (Fellow of the Royal College of Surgeons), and in 2017, after examinations, a member of the European Board of Orthopaedics and Traumatology (FEBOT), making him one of the few Orthopedic surgeons in Greece holding both titles. The doctor has acquired significant experience in the conservative and surgical management of Orthopedic and Traumatology conditions. He operates privately at Metropolitan General in Cholargos and at other private clinics in Athens.

Tsiavos Konstantinos is an Orthopedic Surgeon and maintains a private practice in the Acharnes area. In recent years, he has worked as a Consultant in the Spine Surgery Department at "Hygeia" Hospital, specializing in Spine Surgery, Adult Reconstructive Surgery, and Trauma Management. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and completed his postgraduate studies focusing on metabolic bone diseases and Osteoporosis at the same university. He began his specialization in Orthopedic Surgery as an assistant physician to Professor Mr. Soukakos at the Athens Bioclinic. Subsequently, for approximately six years, he worked as an Orthopedic Surgeon at some of the largest hospitals in Athens, specifically at the University General Hospital "Attikon" and the General Children's Hospital "P. & A. Kyriakou" (1 year). He has accumulated more than 10 years of experience in Orthopedic Surgery and successfully performs a large number of surgeries daily, focusing on conditions related to the Spine. His clinical interest centers on adult spinal disorders and congenital spinal conditions in children (scoliosis). He continuously pursues further education and attends seminars and specialized training courses in Greece and Europe and has obtained certification from the AO Course Advance In Operative Fracture Management. Finally, he has authored five academic publications, the latest of which was published in 2016 with the participation of academic colleagues and peers.

Dempegiotis Petros MD, MSc is an Orthopedic Surgeon with a private practice in Kypseli. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has attended numerous international educational seminars. He is also a certified physician in Neural Therapy. He is an affiliated physician at Euroclinic Athens, Doctor's Hospital, and Metropolitan General. With extensive experience in orthopedic disorders, he diagnoses and treats orthopedic conditions in both adults and children. Additionally, he manages cases such as tendinitis, osteoarthritis, cervical syndrome, sciatica, as well as pediatric orthopedics.

Grigorios Sasalos is an Orthopedic Surgeon, Consultant at the Orthopedic Clinic of Metropolitan Hospital, and maintains a private practice in Galatsi. He graduated from the Medical School of the National and Kapodistrian University of Athens. He received a scholarship from the State Scholarships Foundation to undertake a postgraduate program at the National School of Public Health. He completed his specialization at the First University Clinic of the National and Kapodistrian University of Athens. He has served for several years as an unpaid Scientific Collaborator at the Second University Clinic of the National and Kapodistrian University of Athens. He has participated in numerous international conferences, specialized seminars on new techniques, and educational courses. He manages cases across the entire spectrum of reconstructive surgery, hip and knee arthroplasty, with a particular interest in minimally invasive SuperPATH hip arthroplasty. He also undertakes arthroscopic repair of sports injuries in cases unresponsive to conservative treatment.

Georgios Rigos MD, MSc is an Orthopedic Surgeon with a private practice in Keratsini. He graduated from the Medical School of the English-speaking department of Semmelweis University, Budapest, Hungary in 2002, specializing in Orthopedic Surgery and Traumatology at the 3rd University Orthopedic Clinic of Athens, General Hospital of Attica KAT in 2014. He completed postgraduate studies at the National and Kapodistrian University of Athens with a thesis titled "Metabolic Bone Diseases" in 2012. He was a member of the medical team of A.O. Pagratiou (basketball) from 2014 to 2016 and a member of the medical team of the football department of Ionikos during 2007 and 2008. He collaborates with major private hospitals such as the Peristeri Medical Center, the Central Clinic of Athens, the Athens Mediclinic General Clinic (Athens), and Mediterraneo Hospital (Glyfada). The doctor has extensive experience in arthroscopy, arthroplasty, and sports injuries. In his private practice, within a pleasant environment, he provides specialized solutions tailored to the needs of his patients.

Stathellis Apostolos MD, PhD is an Orthopedic Surgeon - Sports Medicine Specialist with expertise in arthroscopic surgery of the shoulder, knee, elbow, and ankle, as well as sports injuries. He graduated with honors from the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the University of Ulm in Germany. Following an 8-year training period in Germany (2009 - 2016) at one of the leading arthroscopic surgery centers (Sportklinik - Stuttgart), he now maintains private practices in Vrilissia and Marousi and concurrently serves as an Attending Physician at the 3rd Orthopedic Clinic at Hygeia Hospital. In 2016, he obtained the sports medicine specialization title in Germany, as well as certification in arthroscopic surgery. Additionally, he is trained and certified in musculoskeletal ultrasonography.

Dionysios Xionis, an orthopedic surgeon, is an associate of the Athens Medical Center and specializes in the full spectrum of orthopedic medicine. In his orthopedic clinic, every patient, regardless of age, can receive information on the prevention and rehabilitation of orthopedic conditions. As an orthopedic surgeon, Dionysios Xionis provides a range of services at his clinic, including fracture monitoring, kyphosis, spondylolysis-spondylolisthesis, scoliosis, osteoporosis screening, and intra-articular hyaluronic acid injections for knees and shoulders. Additionally, the physician offers high-quality services for arthroscopic procedures such as anterior cruciate ligament (ACL) arthroscopy, meniscus repair, and chondropathy treatment. Finally, through continuous education, he focuses on the management of spinal disorders, including low back pain and cervical syndrome.

Dr. Trellopoulos Aggelos is an Orthopedic Surgeon who maintains two private clinics in Zografou and Marousi. He holds a Medical Degree and a postgraduate degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He specializes in Arthroscopic Surgery, Arthroplasty & Robotic Arthroplasty, Hand Surgery - Microsurgery, and Sports Injuries. He is a Consultant at the Third Orthopedic Clinic of "Hygeia" Hospital and at the Athens Center for Arthroscopy and Shoulder Surgery. He is a member of the European Society of Sports Traumatology (ESSKA), from which he has received educational fellowships aimed at specializing in athlete injuries. Finally, he is an active member of Greek and international scientific associations, has published numerous scientific articles and papers in Greek and international journals, and has delivered lectures at Greek and international sports medicine conferences.

Ο Λεωνίδου Ανδρέας PGDip, MSc, PhD, FACS, FRCS (Tr&Orth) είναι Ορθοπαιδικός Xειρουργός - Τραυματολόγος και Διδάκτωρ στο Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης με ιδιωτικό ιατρείο στο Μαρούσι. Παράλληλα, διατελεί Διευθυντής στο Ιατρικό Κέντρο Αθηνών στο Μαρούσι. Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών και έχει ολοκληρώσει μεταπτυχιακές σπουδές στην Ορθοπαιδική Μηχανική στο Πανεπιστήμιο του Cardiff. Μετά την αποφοίτησή του ξεκίνησε να εργάζεται στο Ηνωμένο Βασίλειο, όπου κάτω από διαρκή αξιολόγηση, τακτικές εξετάσεις και συνεντεύξεις, ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής και Τραυματολογίας. Είναι εξειδικευμένος Χειρουργός άνω άκρου, γόνατος και αθλητικών κακώσεων και έχει ολοκληρώσει όλη την ειδικότητα και την υπερεξειδίκευση στο ειδικό γνωστικό αντικείμενό του στην Αγγλία. Μετά το πέρας της ειδικότητας, εξειδικεύτηκε στην παγκοσμίου φήμης Κλινική Ώμου - Αγκώνα στο Reading. Εργάσθηκε δε ως Διευθυντής στην ίδια κλινική και εν συνεχεία στο Πανεπιστημιακό Νοσοκομείο του East Kent. Εργάσθηκε συνεχόμενα στο Ηνωμένο Βασίλειο από το 2005 έως το 2019 αποκτώντας τεράστια χειρουργική εμπειρία. Διαθέτει αναλυτικό - πιστοποιημένο logbook πλέον των 6000 χειρουργείων. Επιστρέφει στην Ελλάδα μετά από 14 χρόνια παραμονής στο Ηνωμένο Βασίλειο, έχοντας αφυπηρετήσει στην υψηλότερη βαθμίδα του μόνιμου Διευθυντή (substantive Consultant), με στόχο να παρέχει στους ασθενείς του τις πιο σύγχρονες τεχνικές διάγνωσης και θεραπείας με βάση τα διεθνή πρότυπα. Ασχολείται με όλο το φάσμα της τραυματολογίας με εξειδίκευση στην αντιμετώπιση των σύνθετων καταγμάτων του ώμου - αγκώνα. Επίσης, εξειδικεύεται στην αρθροσκόπηση ώμου - αγκώνα και γόνατος με μεγάλη χειρουργική εμπειρία και όγκο περιστατικών. Εφαρμόζει το ελάχιστης επεμβατικότητας σύστημα ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Είναι εταίρος (fellow) του Βασιλικού Κολλεγίου των Χειρουργών του Εδιμβούργου, έχοντας ολοκληρώσει με επιτυχία τις σχετικές εξετάσεις. Επιπλέον, είναι εκπαιδευτής στο Advanced Trauma Life Support Course και στο παγκοσμίου φήμης Reading Shoulder and Elbow Course. Ταξιδεύει συχνά στην Ευρώπη όπου διδάσκει την τεχνική της ανάστροφης αρθροπλαστικής ώμου χωρίς stem. Την περίοδο 2017 - 2019 ήταν ο πρώτος Έλληνας που εκλέχτηκε μέλος της Εκπαιδευτικής Επιτροπής της Βρετανικής Εταιρίας Ώμου - Αγκώνα. Tέλος, τo 2020 εκλέχτηκε στην επιτροπή μελών της Ευρωπαϊκής Εταιρίας Ώμου - Αγκώνα.

Athanasopoulos Konstantinos MD, MSc is an Orthopedic Surgeon maintaining private practices in Piraeus and Galata Troizinia, while also collaborating with the Athens Medical Group (Peristeri clinic) and the sports injury center at Mediterraneo Hospital. He is certified in robotic knee and hip arthroplasty using the most advanced robotic system worldwide, the only one with FDA certification in the USA for robotic total joint revision arthroplasty. He holds a postgraduate degree in “Metabolic Bone Diseases” from the Medical School of Athens and graduated in Medicine from the University of Medicine and Pharmacy "Carol Davila". He specialized in Orthopedics and Traumatology at the General Hospital of Piraeus “Tzaneio” and in Pediatric Orthopedics at the Children’s Hospital "P. & A. Kyriakou", and after successful examinations where he ranked first in Attica, he obtained the title of orthopedic specialty. He served as an instructor at the Special Training Center for Health Professionals in the Orthopedics and Traumatology department of the General Hospital of Piraeus "Tzaneio" regarding the implementation of a preventive screening program for scoliosis and other spinal deformities in students. Additionally, he has participated as a speaker and trainee in numerous conferences and seminars in Greece. His areas of expertise include arthroscopic surgery, robotic knee and hip arthroplasty, as well as robotic knee and hip revision surgery with Fast-Track ERAS protocols for rapid return to activities, and minimally invasive surgery.

Aleksiou Spyros is an Orthopedic Surgeon with a private practice in Ampelokipoi. He graduated from the Medical School of Debrecen University and specialized in Orthopedic Surgery at the General Hospital of Ioannina "Hatzikosta". He has extensive experience in both the public and private sectors, having served as a consultant at "Hatzikosta" Hospital and since 2018 maintaining a private practice in Ioannina, offering a specialized program of surgical procedures and advanced therapies. His professional activity focuses on hip and knee arthroplasties (primary and revision surgeries), sports injuries, deformities of the forefoot, and minimally invasive endoscopic spinal techniques. Additionally, he applies non-radiological methods for the evaluation of spinal deformities and provides modern biological treatments such as PRP and stem cell injections for tendinopathies and osteoarthritis. He has attended numerous postgraduate seminars and workshops in Greece and abroad (Germany, France, Italy, Belgium, Poland), and is a certified user of robotic and percutaneous techniques, including the OrthoAlign, Spine Tip, and Pecaplasty systems. He has presented scientific papers at conferences in Greece and Europe and maintains a consistent presence in the advancement of the field through continuous education with an emphasis on patient-centered care.

Samdanis Vasileios is an Orthopedic Surgeon with private practices in Agia Paraskevi and Koropi. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is specialized in upper limb surgery (shoulder-elbow-wrist-hand) at one of the largest purely orthopedic centers in the United Kingdom. Additionally, he is an attending physician at the 5th Orthopedic Clinic of "Hygeia" Hospital. He holds a postgraduate degree in metabolic bone diseases - osteoporosis from the National and Kapodistrian University of Athens and a medical degree from Aristotle University of Thessaloniki. He has served as a Scientific Collaborator at the 2nd University Orthopedic Clinic of Aristotle University of Thessaloniki. He has an extensive research portfolio, with numerous lectures and presentations at Greek and international medical conferences, as well as publications in scientific journals. Furthermore, he has a rich teaching record spanning several years in the postgraduate program "Metabolic Bone Diseases" at the Medical School of Athens. Finally, he is a member of Greek and international medical associations and scientific societies.

Kaldis Panagiotis is an Orthopedic Surgeon specializing in Upper Limb Surgery and Reconstructive Microsurgery. He graduated from the Medical School of the National and Kapodistrian University of Athens. Alongside his private practice in Pallini, he works as Deputy Director in the B' Department of Hand Surgery and Microsurgery at Hygeia Hospital, where he manages complex hand and shoulder injuries. He is a member of prominent medical associations, including the Athens Medical Association, the Hellenic Society of Surgery, Orthopedics, and Traumatology (HECOS), the Hellenic Society of Hand and Upper Limb Surgery (HEHUS), the Society of Reconstructive Microsurgery (SRM), and the International Wrist Arthroscopy Society (IWAS).

In his private practice, he treats conditions across the full spectrum of orthopedics and provides specialized services tailored to the individual needs of his patients.

Dr. Sarantis Mixalis, MD, MSc, PhDc, is an Orthopedic Surgeon with a private practice in Psychiko. Concurrently, he serves as an Orthopedic Consultant specializing in Sports Injuries at Metropolitan Hospital. He has extensive experience, having completed his specialization at the General Children's Hospital "Agia Sofia" and the 4th Orthopedic Clinic of G.N.A. KAT, while also specializing at the same hospital in the Hand-Upper Limb-Microsurgery Clinic, the Sports Injuries Department, and the Pediatric Orthopedic Clinic. In 2018, he successfully completed advanced training in pediatric orthopedic trauma and pediatric skeletal deformities at the Orthopedic Hospital Speising (Vienna, Austria). Since 2019, he holds a Master's degree in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. In 2020, he was appointed as a doctoral candidate by the Medical School of Athens, and since then he has been pursuing his doctoral thesis at the 2nd Orthopedic University Clinic of the University of Athens (Konstantopouleio Hospital – Agia Olga). He is an active member of the European Paediatric Orthopaedic Society (EPOS), the European Society for Sports Traumatology Knee Surgery and Arthroscopy (ESSKA), the Hellenic Society of Orthopaedic Surgery and Traumatology (EEHOT), and the Athens Medical Association. Finally, he has a rich academic portfolio, authoring numerous publications in peer-reviewed international journals (PUBMED) and actively participating in presentations at Greek and international conferences.

Ο Μιχαήλ Θεόδωρος είναι Ορθοπαιδικός Χειρουργός, μέλος του διοικητικού συμβουλίου της ΑΘΛΗΤΙΑΤΡΙΚΗΣ ΕΤΑΙΡΙΑΣ ΕΛΛΑΔΟΣ, με ιδιωτικό ιατρείο στον Εύοσμο Θεσσαλονίκης. Παράλληλα, συνεργάζεται με πλήθος ιδιωτικών κλινικών της Θεσσαλονίκης, καθώς και με την Γ’ Πανεπιστημιακή Ορθοπαιδική Κλινική, όπου προσφέρει της υπηρεσίες του ως Επιστημονικός Συνεργάτης στις μονάδες Αθλητικών Κακώσεων, Μυοσκελετικού Τραύματος ενηλίκων και Μυοσκελετικής Ογκολογικής Χειρουργικής. Σπούδασε στην Ιατρική Σχολή του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης. Ξεκίνησε την ειδικότητά του στο 424 Γενικό Στρατιωτικό Νοσοκομείο Εκπαιδεύσεως, την οποία ολοκλήρωσε στην Γ’ Πανεπιστημιακή Ορθοπαιδική Κλινική στο Γενικό Νοσοκομείο Θεσσαλονίκης "Παπαγεωργίου". Μετά το πέρας της ειδικότητας του, έλαβε υποτροφία από το Ίδρυμα Σταύρος Νιάρχος για το Hospital for Special Surgery (HSS) στην Νέα Υόρκη των Ηνωμένων Πολιτειών Αμερικής, το μεγαλύτερο νοσοκομείο Ορθοπεδικών παθήσεων παγκοσμίως, όπου, μέσω του προγράμματος HSS-Stavros Niarchos Foundation Orthopaedic Seminar Program αλλά και του ετήσιου συνεδρίου ισχίου και γόνατος (Annual Holiday Knee & Hip Course), ενημερώθηκε για τις πιο σύγχρονες τεχνικές (Ρομποτική και Navigation) και τα νεότερα υλικά στο πεδίο της αρθροπλαστικής. Επίσης, έχει πραγματοποιήσει μεταπτυχιακές σπουδές στο πεδίο της Αθλητιατρικής (Sports Medicine) ενώ κατέχει και το Δίπλωμα "Ιατρικής Ποδοσφαίρου" της FIFA (Federation International de Football Association). Η ενασχόλησή του με τον αθλητισμό από την παιδική του ηλικία τον οδήγησε να εστιάσει μέρος των σπουδών του προς την πρόληψη και αντιμετώπιση αθλητικών κακώσεων και στην Αθλητιατρική. Επί του παρόντος ο ιατρός έχει αναλάβει καθήκοντα Υπεύθυνου του Ιατρικού Επιτελείου ομάδας Πετοσφαίρισης Ανδρών που αγωνίζεται στην Α1 Εθνική κατηγορία (Volley Leauge), Πετοσφαίρισης Γυναικών που αγωνίζεται στην Α2 Εθνική κατηγορία και Καλαθοσφαίρισης Ανδρών που αγωνίζεται στην Γ’ Εθνική κατηγορία. Έχει συμμετάσχει σε πληθώρα εκπαιδευτικών σεμιναρίων και συνεδρίων, αλλά και ως ομιλητής σε ένα μεγάλο αριθμό επιστημονικών συνεδρίων. Τέλος, διαθέτει αξιόλογη ερευνητική εμπειρία έχοντας δημοσιεύσει έρευνες του σε εγχώρια και διεθνή επιστημονικά περιοδικά και έχει προσφέρει τις γνώσεις του σε νέους συναδέλφους από την θέση του εκπαιδευτή σεμιναρίων, μέσω εβδομαδιαίων διαλέξεων στους φοιτητές ιατρικής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης και ως υπεύθυνος για την εξοικείωση με το αντικείμενο της Ορθοπαιδικής, φοιτητών των Η.Π.Α., μέσω του προγράμματος ATLANTIS.