Orthopaedic - Orthopaedic Surgeons

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.

Ο Αλέξανδρος Κωνσταντινόπουλος είναι Ορθοπεδικός - Χειρουργός - Τραυματιολόγος και διατηρεί ιδιωτικό ιατρείο στη Θεσσαλονίκη. Σε ένα σύγχρονο χώρο, εύκολα προσβάσιμο για όλες τις ηλικίες, προσφέρει ολοκληρωμένες ιατρικές υπηρεσίες από την διάγνωση, τη θεραπεία και τη μετεγχειρητική παρακολούθηση των ασθενών. Συγκεκριμένα ασχολείται με ολική αρθροπλαστική γόνατος και ισχίου, αρθροσκόπιση γόνατος και ώμου, επανορθωτική χειρουργική, αθλητικές κακώσεις, παθήσεις ώμου, οστέοπορωση, οστεορθρίτιδα, αυτόλογη μεσοθεραπεία, παθήσεις και τραύμα άκρας χειρός και εγχύσεις. Ειδικεύτηκε στην Ελλάδα ολοκληρώνοντας την ειδικότητά του στην Α' Πανεπιστημιακή Κλινική του Γενικού Νοσοκομείου Παπανικολάου όπου και εκπαιδεύτηκε σε υψηλό επίπεδο στην Ορθοπαιδική Χειρουργική, χειρουργική άκρας χειρός (κέντρο χεργιού). Διαθέτει εμπειρία στη χειρουργική και συντηριτική αντιμετώπιση τραυματισμών και παθήσεων του μυοσκελετικού συστήματος, με έμφαση στη λειτουργική αποκατάσταση και τη βελτίωση της ποιότητας ζωής των ασθενών. Είναι υπεύθυνος της Ορθοπεδικής πτέρυγας στο Κέντρο Αποκατάστασης ΕΥΕΞΙΑ και οργανώνει τον σχεδιασμό και την παρακολούθηση εξατομικευμένων προγραμμάτων αποκατάστασης, σε στενή συνεργασία με διεπιστημονική ομάδα υγείας. Στόχος του είναι η ασφαλής και αποτελεσματική επάνοδος των ασθενών στις καθημερινές και επαγγελματικές τους δραστηριότητες. Διατηρεί επαγγελματική συνεργασία με τη Γενική Κλινική Θεσσαλονίκης «Κυανός Σταυρός» και το Διαβαλκανικό Ιατρικό Κέντρο Θεσσαλονίκης.Προσεγγίζει κάθε περιστατικό με υπευθυνότητα, επιστημονική τεκμηρίωση και σεβασμό στις ανάγκες του ασθενούς, δίνοντας έμφαση στη σωστή διάγνωση, την αναλυτική ενημέρωση και τη μακροχρόνια αποκατάσταση.

Stefanos Xatzipantelis is an Orthopedic Surgeon who maintains a private practice in Nikaia. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed his specialty training at the Trauma Rehabilitation Center (KAT Kifisia). There, he handled a large number of General Orthopedic and Trauma cases and specialized in the Microsurgery - Upper Limb department, the Sports Injuries department, and Pediatric Orthopedics. Concurrently with his private practice, he has worked for the past 10 years as a Second Consultant in the Pediatric Orthopedic department of "MITERA" Hospital, and since 2005, he has been a Scientific Collaborator at the "HYGEIA" clinic. Finally, in his private practice, he treats a wide range of conditions, offering specialized services such as total knee and hip arthroplasty, treatment of entrapment neuropathies, and arthroscopic surgeries of the knee and shoulder.

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.

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.

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.

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.

Kyrxanidis Georgios is an Orthopedic Surgeon and maintains a private practice in Palaio Faliro. He graduated in Medicine from the First Moscow State Medical University - Sechenov, Russia. During his specialty training, he demonstrated a strong inclination towards surgery, participating in numerous operations and earning recognition for his proficiency in trauma management. He has worked in demanding public hospitals such as Piraeus General Hospital Tzaneio and Samos General Hospital, acquiring significant experience in orthopedic surgery.

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.

Mixailidou - Xristopoulou Melia is an Orthopedic Surgeon and maintains a private practice in Kalamata. She graduated from the Medical School of Aristotle University of Thessaloniki with a grade of "very good." In 2004, she began her specialty in General Surgery at the 1st Surgical Department of the General Hospital of Serres, which she completed in 2005, and continued as an Orthopedic resident at the General Hospital of Serres. She obtained her specialty title in Orthopedics at the University Hospital of Rio Patras and at the Karamanadaneio Children’s Hospital in 2012. During this period, she traveled to SLK Klinikum in Heilbronn, Germany, where she specialized in the Pediatric Orthopedic Clinic, particularly in neonatal ultrasound. She participated in a large number of conferences, presenting papers at several of them, as well as attended numerous seminars of the AO Foundation, whose official representative in Greece is the Orthopedic Clinic of the University Hospital of Rio. Finally, in 2014, she attended courses and received certification for the application of ultrasound in the musculoskeletal system with a specialization in neonatal ultrasound.

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.

Kokkalas Nikolaos is an Orthopedic Surgeon with a private practice in Thessaloniki. He holds a Medical Degree from the School of Health Sciences at Aristotle University of Thessaloniki. He also possesses a Master's Degree from the School of Health Sciences at Democritus University of Thrace, as well as a PhD from the School of Health Sciences at the National and Kapodistrian University of Athens. Notably, the physician specializes in arthroscopic surgery of the knee and shoulder, minimally invasive hip arthroplasty, and minimally invasive knee arthroplasty.

Vasilakis Aleksandros is an Orthopedic Surgeon with a private practice in Cholargos. Simultaneously, he serves as a Consultant in the Orthopedic Clinic at Metropolitan Hospital in N. Faliro. He graduated from the Medical School of Democritus University of Thrace and holds a Master’s degree (MSc) in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. From 2019 to 2022, he held the position of Consultant Orthopedic Surgeon in the Orthopedic Clinic at Asklipieio Voulas General Hospital, after which he has been providing his services in the private sector. He manages the treatment of conditions across the entire spectrum of Orthopedics, with particular interest in hip and knee arthroplasty, reconstructive surgery of foot disorders, and percutaneous minimally invasive reconstructive surgery of hallux valgus (bunion). He is also specialized in Arthroscopic Surgery of sports injuries and has further specialized in Hand Surgery - Microsurgery at KAT General Hospital and Asklipieio Voulas General Hospital. Dr. Vasilakis has participated in numerous national and international conferences, educational seminars, and courses on newer techniques, and has a scientific record with publications in international journals. He is a member of the Hellenic Society of Orthopedic Surgery and Traumatology, the Hellenic Arthroscopy Society, the Athens Medical Association, and the General Medical Council of the United Kingdom.

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.

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.

Ioannis Mamais is an Orthopedic Surgeon with a private practice in Ano Patissia. He holds a medical degree from the University of Belgrade and specialized in Orthopedics. He has extensive and significant clinical experience, having worked as an Orthopedic Surgeon – Consultant in the Reconstructive Surgery Clinic at the Athens Medical Group (P. Faliro Clinic), at the General Hospital "Red Cross," and at the Pediatric Hospital "P. & A. Kyriakou." Furthermore, he specializes in arthroscopy, traumatology, and hip and knee arthroplasty.

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. Giannakos Athanasios-Rene S. is specialized in arthroscopic surgery of sports-related knee and shoulder injuries, as well as in M.I.S. Fast Track total knee and hip arthroplasty. He initiated and completed his Orthopedic Surgery and Traumatology residency at the University General Hospital of Larissa in the Orthopedic Clinic Department under the direction of Professor K.N. Malizos. He is a PhD candidate at the Medical School of the University of Thessaly. During the final year of his residency, he trained in shoulder and knee arthroscopic surgery at the Minimal Access Surgery Unit of the I.R.C.C.S. GSD Hospital, Milan, Italy, under Professor and Director Prof. Pietro Randelli. He also trained in M.I.S. Fast Track total hip and knee arthroplasty and arthroscopic surgery at the Luganese Hospital, Lugano, Switzerland, under Professor and Director Prof. Mateo Denti. Immediately after obtaining his specialty certification, he was appointed as a permanent consultant at the Minimal Access Surgery Unit of the I.R.C.C.S. GSD Hospital, Milan, Italy, under Professor and Director Prof. Pietro Randelli. He began his Sports Medicine specialty at the University Hospital Catanzaro, Italy, following entrance exams, holding a salaried position and scholarship from the E.U., under the direction of Professor Pietro Scotto di Vettimo. During the first year of the specialty, he trained at the University Hospital Chieti, Italy, in the Sports Medicine Department under the direction of Professor Leonardo Vecchiet. There are articles, lectures, and surgeries by him available online. He collaborates with "Athens Medical Center," "Mitera" Hospital, and Mediterraneo Hospital, and is a scientific collaborator. He maintains private practice offices in Chalandri and Nea Smyrni.