Orthopaedic - Orthopaedic Surgeons

Mr. Nikolaos Kalos is an Orthopedic Surgeon and Deputy Director of the 4th Orthopedic Clinic at Metropolitan General in Cholargos. He maintains a private practice in Neo Psychiko.

He is a graduate of the Medical School of the University of Ioannina and completed his specialization at the University Orthopedic Clinic of Ioannina.

He specialized at the Osteoarthritis and Knee Deformities Treatment Center, LKH Stolzalpe - Murau in Austria. In his private practice, he provides a wide range of services, tailored to the individual needs of each patient.

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.

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.

Kallitsounaki Euaggelia is an Orthopedic Surgeon specializing in Orthopedics and maintains a private practice in Paiania. She studied at the Medical School of Universitatea "Ovidius" din Constanta. Subsequently, she specialized and participated in clinical rotations at the General Hospital of Lamia and the General Hospital of Athens "KAT". Additionally, she specializes in joint injuries, trauma, knee osteoarthritis, as well as diseases of the hand. Finally, she serves as a Scientific Collaborator at the Athens Medical Center, in the Peristeri clinic and the Psychiko clinic, as well as at the "Errikos Dynan" hospital.

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.

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.

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.

Kyrou Georgios is an Orthopedic Surgeon Consultant at the 3rd Orthopedic Clinic of the private hospital Iaso in Marousi, while maintaining a private practice in Kallithea. He has previously served as a specialist and resident physician in some of the most prominent public hospitals in the country, including the General Hospital of Attica “Sismanoglio - Amalia Fleming,” the University General Hospital "Attikon," the General Oncology Hospital of Kifisia (G.O.N.K.), and the General Children's Hospital of Athens "Panagiotis and Aglaia Kyriakou," covering a wide range of pathology and surgical cases. A graduate of the Medical School of the University of Patras, he has actively participated in national and international conferences and possesses experience in a variety of interventional techniques and musculoskeletal system disorders. He has also received additional training through seminars in areas such as upper limb surgery, reconstructive surgery, sports injuries, and traumatology. His clinical and scientific focus is on the optimal, evidence-based, and individualized management of orthopedic conditions, emphasizing functional rehabilitation and the minimization of postoperative complications.

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.

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.

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.

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 Δημόπουλος Λεωνίδας MD, MSc είναι Ορθοπαιδικός Χειρουργός και διατηρεί ιδιωτικά ιατρεία στο Κολωνάκι και στην Τρίπολη. Αποφοίτησε από την Ιατρική Σχολή του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών το 2012. Ειδικεύτηκε σε όλο το φάσμα της Ορθοπαιδικής Χειρουργικής και Τραυματολογίας στην Α’ Ορθοπαιδική Κλινική του Πανεπιστημίου Αθηνών, στο Πανεπιστημιακό Γενικό Νοσοκομείο "Αττικόν". Στα πλαίσια της εκπαίδευσής του, διετέλεσε επίσης ειδικευόμενος στην Ορθοπαιδική Παίδων στην Α' Παιδοορθοπαιδική Κλινική του Γενικού Νοσοκομείου Παίδων "Π. & Α. Κυριακού", καθώς επίσης και ειδικευόμενος στην Κλινική Χεριού, Άνω Άκρου και Μικροχειρουργικής του Γενικού Νοσοκομείου Αττικής ΚΑΤ. Ταυτόχρονα με την ειδικότητα της Ορθοπαιδικής παρακολούθησε και το Πρόγραμμα Μεταπτυχιακών Σπουδών του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών με τίτλο "Άθληση και Υγεία", με εξειδίκευση στη διάγνωση και θεραπεία των αθλητικών κακώσεων. Μετά το τέλος της ειδίκευσης του, βρέθηκε στη Νέα Υόρκη στο επί σειρά ετών Νο 1 Νοσοκομείο των ΗΠΑ για ορθοπαιδικές παθήσεις, το Hospital for Special Surgery (HSS), New York, USA, όπου και εξειδικεύτηκε στη επανορθωτική χειρουργική ισχίου και γόνατος ως Academic Visitor to 2019, συμμετέχοντας σε πολυάριθμα ερευνητικά πρωτόκολλα και στην αντιμετώπιση πολύπλοκων περιστατικών του τμήματος SNF Complex Joint Reconstruction Center. Έπειτα έλαβε την επίσημη έμμισθη θέση εξειδίκευσης της Μ. Βρετανίας στη χειρουργική ώμου και αγκώνα (post C.C.T. Clinical Fellowship) στα διεθνώς αναγνωρισμένα κέντρα Queen Elizabeth University Hospital, Birmingham 2020-2021 και Royal Orthopaedic Hospital 2021-2022 όπου εκπαιδεύτηκε στις πλέον σύγχρονες τεχνικές αρθροσκόπησης και αρθροπλαστικής ώμου και αγκώνα, πραγματοποιώντας πολυάριθμες επεμβάσεις τόσο στο γενικό πληθυσμό όσο και σε επαγγελματίες αθλητές. Έχει συμμετάσχει ενεργά σε πληθώρα εγχώριων και διεθνών επιστημονικών συναντήσεων ενώ έχει λάβει πολλαπλές υποτροφίες από εγχώριες και διεθνείς επιστημονικές εταιρείες, έχει πολυάριθμες δημοσιεύσεις επιστημονικών άρθρων σε διεθνή περιοδικά ενώ έχει συμμετάσχει στην εκπαίδευση φοιτητών Ιατρικής στο Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών, καθώς και στο University of Birmingham, MBChB. Ιδιαίτερο επιστημονικό ενδιαφέρον του αποτελούν η αρθροσκοπική χειρουργική ώμου και γόνατος, η ελάχιστης επεμβατικότητας επανορθωτική χειρουργική μεγάλων αρθρώσεων (γόνατος/ισχίου/ώμου) καθώς και η ορθοπαιδική έρευνα. Από το 2022 έχει επιστρέψει στην Ελλάδα, διατηρεί ιατρείο στην Αθήνα και στην Τρίπολη, χειρουργεί στα Νοσοκομεία του Ομίλου Υγεία HHG και έχει σαν στόχο την παροχή υπηρεσιών υψηλού επιπέδου για τους ασθενείς του.

Xaralampidis Eustathios is an Orthopedic Surgeon with private practices in Pallini and Nemea. He graduated from the Medical School of the "OVIDIUS" University and specialized in Orthopedic Surgery at the General Hospital of Athens "Evangelismos" and other major hospitals in Athens and Piraeus. Additionally, he is specialized in Hand Surgery and Microsurgery, Pediatric Orthopedics, as well as Orthopedic Oncology. Furthermore, he has extensive experience in conditions such as sports injuries and fractures, having served as a Consultant in the Sports Injuries Clinic at Mediterraneo Hospital in Glyfada, as well as a physician for the football teams PAE Panathinaikos and O.F. Cholargos. To date, he serves as a Consultant in the Orthopedics and Sports Orthopedics Clinic at Metropolitan Hospital. Finally, Dr. Xaralampidis has participated in numerous conferences and educational seminars both in Greece and abroad and is a member of the Hellenic Society of Orthopedic Surgery and Traumatology, the Hellenic Arthroscopic Society, and Osteosynthesis and Trauma Care Hellas.

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.

Aleksiou Konstantinos is an Orthopedic Surgeon and maintains a private practice in Larissa.

He is an Assistant Professor at the University of Thessaly.

He is specialized in Knee and Hip Surgery, Arthroscopic Surgery, and Sports Injuries at the ICATME Center in Barcelona.

He holds expertise in reconstructive surgery (Total Knee and Hip Arthroplasties), Hand Surgery, as well as diseases of the spine.

He has surgical experience in major hospitals such as the University Hospital of Larissa, the ICATME Center in Barcelona, and Duke University Hospital in North Carolina, USA.

He is the team physician for football and basketball teams and appointed by the SuperLeague as the Match Doctor for A.E.L.

He is a consultant at “IASO” Thessaly and collaborates with recognized surgical clinics providing high-level services.

He also holds numerous Greek and international publications and is a member of international and Greek scientific societies, including the European Society of Arthroscopy, the Hellenic Arthroscopic Society of Knee Surgery and Sports Injuries, the Hellenic Society of Orthopaedic Surgery and Traumatology, and the Hellenic Surgical Society.

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.