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.

Dr. Paraskeuakos Grigorios is an Orthopedic Surgeon who has maintained a private practice in Nikaia since 2005. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and completed his residency at the General Hospital of Attica KAT. Additionally, he specialized in General Surgery in the Pediatric Surgery Department of the General Hospital of Piraeus "Tzaneio" and further specialized in the Microsurgery Department of the General Hospital of Attica KAT. The physician continuously updates his knowledge in orthopedic matters through ongoing participation in osteoporosis and general orthopedics seminars both in Greece and abroad. Finally, his private clinic offers a wide range of services, tailored to the individual needs of each patient.

Liosis Konstantinos is an Orthopedic Surgeon with a private practice in Chalandri, a member of the Medical Team of KAE Panathinaikos, and a Consultant at the Orthopedic Clinic of HYGEIA Hospital. He holds a medical degree from the School of Health Sciences at Ovidius University and a postgraduate degree from the Department of Metabolic Bone Diseases at the Medical School of the National and Kapodistrian University of Athens. Additionally, he has specialized in the management of persistent pain and inflammation, holding a Diploma in Neural Therapy, a therapeutic technique utilizing local anesthetics for the management of acute and chronic pain. His private practice offers a range of services, including meniscal arthroscopy, cruciate ligament arthroscopy, osteoporosis screening, and chondropathy arthroscopy. Furthermore, he is a member of the Hellenic Osteoporosis Foundation, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Society of Neural Therapy and Homeostasis Study, while actively attending multiple conferences to stay updated with ongoing advancements in the field.

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.

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.

Οι Δρ. Πισκοπάκης Νικόλαος & Πισκοπάκης Ανδρέας είναι Ορθοπαιδικοί Χειρουργοί και διατηρούν ιδιωτικό ιατρείο Ρέθυμνο και στο Μαρούσι (εντός του Ιατρικού Κέντρου Αθηνών). Ο Δρ. Πισκοπάκης Νικόλαος είναι Διευθυντής της Ορθοπεδικής Κλινικής - Αθλητικών Κακώσεων του Ιατρικού Κέντρου Αθηνών. Είναι Διδάκτωρ του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών (ΕΚΠΑ) και έχει εξειδίκευση στην Αρθροσκοπική Χειρουργική, στη χειρουργική αντικατάσταση των μεγάλων αρθρώσεων (ολική αντικατάσταση γόνατος, ισχίου, ώμου) και στις αθλητικές κακώσεις. Διαθέτει πλούσια εμπειρία στον κλάδο του από το 1982, κατέχοντας σημαντικές θέσεις, καθώς ήταν ένας εκ των ιδρυτών της Κλινικής Αθλητικών Κακώσεων του Γενικού Νοσοκομείου Αττικής ΚΑΤ και σήμερα κατέχει την θέση του Διευθυντή της Ορθοπεδικής Κλινικής και Αθλητικών Κακώσεων του Ιατρικού Κέντρου Αθηνών. Έχει διατελέσει Πρόεδρος της Ελληνικής Αρθροσκοπικής Εταιρείας από το 2010 έως το 2012. Ο κ. Πισκοπάκης είναι ενεργό μέλος των σημαντικότερων Συλλόγων Ορθοπαιδικής σε Ευρωπαϊκό και Παγκόσμιο επίπεδο.Ο Πισκοπάκης Ανδρέας είναι Ορθοπαιδικός χειρουργός και Αναπληρωτής Διευθυντής στην Ορθοπαιδική κλινική του Ιατρικού Κέντρου Αθηνών.Αποφοίτησε από την Ιατρική Σχολή του πανεπιστημίου Universita di Foggia της Ιταλίας.Στην συνέχεια ολοκλήρωσε την ειδικότητα της Ορθοπαιδικής Χειρουργικής & Τραυματιολογίας στο Νοσοκομείο ΚΑΤ.Είναι Διδάκτωρ(PhD) Πανεπιστημίου των Ιωαννίνων, με έρευνα πάνω στην ενσωμάτωση του πρόσθιου χιαστού συνδέσμου του γόνατος.Έχει επίσης διατελέσει Βασικός Ερευνητής στο πρόγραμμα “e-teams : οργάνωση και διαχείρισηαθλητικών ομάδων” του Πανεπιστημίου Πελοποννήσου.Εκπαιδεύτηκε στην αρθροσκοπική χειρουργική Ώμου στο Πανεπιστημιακό Νοσοκομείο Humanitas του Μιλάνου , από τον καθηγητή Alessandro Castagna και στην Αμερική από τον καθηγητή του Harvard Medical School Dr. Tom Minas, σε τεχνικές διατήρησης και αποκατάστασης χόνδρινων βλαβών του Γόνατος και σε εξατομικευμένες τεχνικές ολικής αρθροπλαστικής του Γόνατος.Από το 2022 έχει ξεκινήσει συνεργασία με το ερευνητικό τμήμα του πανεπιστημίου της Bologna , Rizzoli Orthopaedic Institute , πάνω στην εφαρμογή τεχνικών μεταμόσχευσης και διατήρησης των μηνίσκωντου γόνατος.Συμβουλεύει και παρακολουθεί ερασιτέχνες και επαγγελματίες αθλητές, σε Ελλάδα και Εξωτερικό και παρέχει σύγχρονες θεραπείες αρθροπλαστικής μεγάλων αρθρώσεων σε ασθενείς μεγαλύτερων ηλικιών.Επιπλέον είναι ενεργό μέλος των εταιριών: ISAKOS (International Society Of Arthroscopy , Knee Surgery and Orthopaedic Sports Medicine),ICRS (International Cartilage Repair Society) και ESSKA (European Society for Sports Traumatology, Knee Surgery & Arthroscopy).Τέλος,η Ιατρική Ομάδα έχοντας αποκτήσει πολυετή εμπειρία,από το 1996 έως σήμερα ,δραστηριοποιείται με επιτυχία στις αθλητικές κακώσεις, την αρθροσκοπική χειρουργική και την κάλυψηεπαγγελματικών ομάδων στο υψηλότερο επίπεδο, υπεύθυνος των ποδοσφαιρικών τμημάτων του Ολυμπιακού Αθλητικού Ομίλου & του Ατρόμητου.

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.

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.

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.

Veves Aristeidis - Ilias is an Orthopedic Surgeon. He holds a degree from the Charles University Medical School in Prague. He specialized in Orthopedic Surgery in Sweden, with a focus on shoulder and knee arthroscopy, microsurgery of the hand and foot, and reconstructive hip surgery. He currently collaborates with hospitals in Sweden. He has a private practice and serves as an Orthopedic Surgeon at Athinaiki Clinic Hospital and the Therapis Private Hospital in Pagrati. He is a member of medical associations in Greece and Sweden, and as part of his lifelong education, he has attended numerous seminars both in Greece and internationally. He employs a contemporary diagnostic approach assisted by musculoskeletal ultrasound. "The goal is always to place the patient at the center; understanding and explaining the problem is paramount before concluding on the therapeutic approach."

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.

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.

Papaioannou Xristoforos is an Orthopedic Surgeon and Doctor of Medicine from the Medical School of the University of Freiburg, Germany, with a private practice in Agia Varvara. After completing his studies at the Medical School of the National and Kapodistrian University of Athens, he specialized in Orthopedics and Traumatology and sub-specialized in Upper Limb, Hand Surgery, and Microsurgery at major centers in Germany. He is a certified Hand Surgeon (Handchirurg) following examinations at the University of Münster, Germany. He currently maintains a position as an Orthopedic Surgeon in the Department of Orthopedics, Traumatology & Hand Surgery at the Kreisklinikum Siegen clinic, an academic center of the University of Marburg. Furthermore, he specialized in the Department of Orthopedics, Traumatology & Hand Surgery at Darmstadt Hospital (Kreisklinikum Darmstadt). Additionally, he worked at the certified orthopedic center and arthroplasty center, as well as in the spinal surgery department of the orthopedic clinic in Lorsch, Germany, where he specialized in minimally invasive knee and hip arthroplasty surgery and in targeted fluoroscopy-guided injection therapy with slow-release corticosteroids for the management of chronic pain in spinal disorders. Finally, he served for several years as a scientific collaborator at the University of Freiburg and has numerous publications in scientific journals and conferences.

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. 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.

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.

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. Georgios Karydakis, MD, PhD, is an Orthopedic Surgeon, Military Physician, Doctor of Medicine from the University of Thessaly, Consultant at the Orthopedic Clinic of the 251st Air Force General Hospital, and maintains a private practice in Athens. He specializes in sports injuries, arthroscopy, reconstructive surgery of major joints (arthroplasty), pediatric orthopedic conditions, as well as trauma surgery. He graduated from Aristotle University of Thessaloniki and the Military Officers School of Corps. He completed a one-year fellowship at the internationally recognized center for hip, knee, foot surgery and sports injuries at the ATOS Clinic in Heidelberg, Germany (HKF Zentrum, ATOS Klinik, Heidelberg), focusing on a wide range of sports injuries and reconstructive surgery of the hip, knee, ankle, and foot. Furthermore, Dr. Karydakis has extensive experience in conditions such as cartilage lesions of the knee and foot, cruciate ligament and meniscal tears, limb length discrepancy, osteoporosis, spinal disorders, fractures, among others. Finally, he has participated in numerous scientific conferences and educational seminars and has an extensive portfolio of publications and presentations in both Greek and international scientific journals and conferences.