Orthopaedic - Orthopaedic Surgeons including treatment for children under 12 years near Neos Kosmos

Mylonas Xrysanthos is an Orthopedic Surgeon - Traumatologist with private practices in Anavyssos, Lavrio, and Glyfada. He holds a degree from the Medical School of Aristotle University of Thessaloniki and completed his specialty in General Surgery at the General State Hospital of Nikaia. Throughout his professional career, he served as a Scientific Collaborator at IKA Lavrio for over 15 years. Currently, in addition to his private practices, he is a Scientific Collaborator at the private hospital Medirerraneo in the Glyfada area. Furthermore, he regularly attends conferences in Greece and abroad covering the entire spectrum of Orthopedics, including topics such as osteoporosis, trauma, surgical arthroplasty, geriatric patients, and bone neoplasms. He also participates in various research projects and presentations both in Greece and internationally.

Orthopedic surgeon Ntousis Dionysios is a graduate of the Medical School of Athens, where he also completed his postgraduate specialization in Metabolic Bone Diseases. He has maintained his private practice in the Alimos area since 2016, diligently addressing the orthopedic issues of his fellow citizens with a sense of responsibility, professionalism, and excellent, modern, evidence-based scientific knowledge. Guided by the individualized approach to each patient's needs and aiming to improve the quality of life of those he serves, the physician manages all orthopedic conditions both conservatively and surgically.

The physician's areas of expertise include, among others, the surgical treatment of foot disorders, sports injuries of the knee (anterior cruciate ligament and meniscus tears), shoulder (shoulder dislocation), and knee and hip arthroplasty.

Ο Dr. Ανδρέας Αρτινόπουλος είναι Ορθοπαιδικός Χειρουργός, διατηρεί ιδιωτικό ιατρείο στην Αθήνα και στην Νέα Ερυθραία και είναι συνεργάτης του Νοσοκομείου Ερρίκος Ντυνάν. Εκπαιδεύτηκε στην 4η Ορθοπαιδική Κλινική του Νοσοκομείου ΚΑΤ και στο νοσοκομείο Παίδων "Η Αγία Σοφία", αποκτώντας ολοκληρωμένη εμπειρία σε ολόκληρο το φάσμα της ορθοπαιδικής χειρουργικής και τραυματολογίας ενηλίκων και Παίδων.Πραγματοποίησε μετεκπαίδευση (fellowship) στο Hôpital de La Tour στη Γενεύη, Ελβετία, στη Χειρουργική Ισχίου καθώς και στη Χειρουργική Άκρου Ποδός.Διαθέτει διεθνείς δημοσιεύσεις, συμμετοχές σε συνέδρια και ερευνητικά προγράμματα. Είναι ενεργό μέλος του Ιατρικού Συλλόγου Αθηνών (ΙΣΑ) και της Ελληνικής Εταιρείας Χειρουργικής Ορθοπαιδικής και Τραυματολογίας (ΕΕΧΟΤ).Στόχος του είναι η παροχή σύγχρονης, εξατομικευμένης ορθοπαιδικής φροντίδας βασισμένης στις τελευταίες επιστημονικές κατευθυντήριες οδηγίες.

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.

Tsintzos Xaris is an Orthopedic Surgeon - Traumatologist who maintains a private practice in the square of Nea Smyrni and simultaneously serves as an Attending Physician at the Athens Bioclinic. He studied at the Semmelweis University of Medicine (English-speaking program) in Budapest, Hungary, and subsequently, after examinations, received certification and equivalency from DIKATSA with a grade of "Very Good." He specialized in Orthopedic Surgery and Traumatology at the 6th Orthopedic Clinic of the KAT Hospital in Athens and obtained the title of Orthopedic and Traumatology Specialist following successful written and oral examinations in July 2007. He served as an Auxiliary Orthopedic Attending Physician at the KAT Hospital in Athens for three annual terms, spending one year in the Special Sports Injury Department and the remaining years in the 6th Orthopedic Clinic. Additionally, he specialized in the management of polytrauma patients using the specialized Ilizarov technique, in Sports Injuries, and in reconstructive surgery of the hip, knee, and foot. Finally, his portfolio includes significant teaching contributions at universities and other schools, as well as numerous scientific publications.

Maria Xoumanidi is an Orthopedic Surgeon with a private practice in Elliniko. She holds a degree from the Medical School of the National and Kapodistrian University of Athens. She has completed a postgraduate program in "Metabolic Bone Diseases" at the Medical School of the National and Kapodistrian University of Athens, as well as a postgraduate program in "Applied Biomechanics and Biomaterials in Orthopedics" at the Medical School of the same institution. She specialized in Orthopedic Surgery initially at the General Panarcadian Hospital of Tripoli and subsequently at the General Hospital "Asklipieio" of Voula. In 2019, she worked as an Orthopedic Surgeon at the Municipal Clinic of Kypseli and currently serves as an Attending Orthopedic Surgeon at Metropolitan Hospital. Additionally, Dr. Xoumanidi has participated in numerous conferences and seminars and is a member of the Piraeus Medical Association and the Hellenic Society of Orthopedic Surgery and Traumatology.

Masount Mamoun is an Orthopedic Surgeon with private practices in Ambelokipi (Gkyzi area) and Nafplio (Head of the Orthopedic Department at IASIS Polyclinic - Argolida).

He is a graduate of the Medical School of Aristotle University of Thessaloniki and holds a postgraduate diploma in metabolic bone diseases from the National and Kapodistrian University of Athens.

He has obtained a specialty title in Orthopedic Surgery and Traumatology from the 3rd University Orthopedic Clinic of the General Hospital of Attica KAT. He is specialized in arthroplasty, arthroscopy, traumatology, sports injuries, and surgery of major joints, as well as in osteoporosis, osteoarthritis, and fracture healing.

In his private clinic, he manages conditions across the entire spectrum of orthopedics, with a special interest and experience in pediatric orthopedics.

Additionally, he serves as a Scientific Collaborator and surgeon at Metropolitan Hospital, Medical Center Athens Group, and Hospitality Clinic Athens.

Finally, through his participation in numerous seminars, workshops, and conferences, he continually updates himself on advancements in his field to provide specialized services tailored to his patients' individual needs. He is also a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the Hellenic Osteoporosis Foundation.

Zaxos Vasileios is an Orthopedic Surgeon and maintains a private practice in Athens. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and a PhD from the Medical School of the University of Thessaly. He has received additional training in the USA and, throughout his extensive professional career, has worked as an orthopedic surgeon in clinics in Athens, as Head Sports Physician for the Football Department of PAE Panionios. It is noteworthy that today, in addition to his private practice activities, he serves as Director of Orthopedic Surgery, Minimally Invasive Joint Reconstruction and Arthroscopy at the Euroclinic of Athens. In his private practice, he manages a wide variety of cases, guided by his recognized scientific expertise and supported by his indisputable experience in all areas within his field of specialty.

Ο Δρ. Νικόλαος Καλύβας είναι Ορθοπαιδικός Χειρουργός με 15ετή εμπειρία στο Σύστημα Υγείας της Γερμανίας (2010–2025). Απο το 2026 διατηρεί ιδιωτικό ιατρείο στους Αμπελόκηπους (έναντι της αμερικανικής πρεσβείας). Για περισσότερα από 15 έτη εργάστηκε σε κλινικές υψηλού επιπέδου της Γερμανίας, ενώ από το 2017 υπηρέτησε ως Επιμελητής και από το 2021 ως Αναπληρωτής Διευθυντής σε πιστοποιημένο κέντρο ενδοπροσθετικής (EPZmax), διενεργώντας συνολικά πάνω από 11.000 χειρουργικές επεμβάσεις.

Εξειδικεύεται σε αρθροπλαστική Ισχίου με τεχνική AMIS, ρομποτική και εξατομικευμένη Αρθροπλαστική Γόνατος, αρθροπλαστική Ώμου με ελάχιστα επεμβατική προσπέλαση και αρθροσκοπική Χειρουργική Ώμου & Γόνατος.

Εφαρμόζει πρωτόκολλα ταχείας αποκατάστασης (Rapid Recovery – Fast Track) με στόχο την άμεση κινητοποίηση και την ασφαλή επάνοδο των ασθενών. Διαθέτει επιπλέον εξειδίκευση στην Αθλητιατρική, τη Χειροθεραπεία και την υπερηχογραφική διάγνωση του μυοσκελετικού συστήματος, καθώς και στον έλεγχο ισχίων νεογνών κατά Graf. Στη διαγνωστική του προσέγγιση αξιοποιεί συστηματικά τη δεξιότητά του στην υπερηχογραφία μυοσκελετικού, επιτρέποντας άμεση, δυναμική και στοχευμένη αξιολόγηση των παθήσεων.

Η εξειδίκευσή του στην Αθλητιατρική και τη Χειροθεραπεία διαμόρφωσε μια πιο ολιστική και λειτουργική προσέγγιση απέναντι στον ασθενή. Ο Δρ. Καλύβας δίνει προτεραιότητα στη συντηρητική θεραπεία, η οποία περιλαμβάνει εξατομικευμένα πρωτόκολλα αποκατάστασης καθώς και υπερηχογραφικά καθοδηγούμενες εγχύσεις κορτιζόνης, υαλουρονικού οξέος και PRP (Platelet Rich Plasma).

Εφόσον έχει εξαντληθεί κάθε πιθανότητα βελτίωσης της πάθησης του ασθενούς με συντηρητική θεραπεία, προτείνει τη χειρουργική αντιμετώπιση μόνο όταν αυτή είναι πραγματικά απαραίτητη.

Στόχος του είναι η παροχή ιατρικής φροντίδας ευρωπαϊκού επιπέδου, με ασφάλεια, διαφάνεια και σεβασμό στον ασθενή.

Antoniadou Thekla is an Orthopedic Surgeon and a PhD candidate at the National Technical University of Athens (NTUA), with a private practice in Palaio Faliro. She graduated from the Medical School of the University of Patras and completed postgraduate studies in "Exercise and Health" at the Medical School of the National and Kapodistrian University of Athens. She specialized at the 1st University Orthopedic Clinic of the Attikon University General Hospital. Her specialization continued at the Sydney Orthopaedic Research Institute and the Hospital for Special Surgery in New York. She has received a scholarship from the Hellenic Society of Reconstructive Microsurgery and

Hellenic Society of Hand Surgery and Upper Limb and has undergone further training in Hand Surgery and Reconstructive Microsurgery at Queen Victoria Hospital, NHS Trust in the United Kingdom. Finally, she possesses significant clinical experience, having worked in hospitals in the United Kingdom, and currently serves as an Orthopedic Surgeon at the Athens Medical Center and as a scientific associate of the 1st University Orthopedic Clinic of the University of Athens.

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.

Apostolatos Apostolos is an Orthopedic Surgeon who maintains a private practice in Kifisia. He graduated from the School of Medicine and Surgery at Universita Degli Studi Di Catanzaro Magna Grecia. He has been trained in Advanced Trauma Life Support, Basic Life Support, and Plastic Surgery Techniques for General Surgeons. He completed his internship in the Emergency, Pathology, and General Surgery departments at Sismanogleio Hospital, Alexandra Gynecological Hospital, and Penteli Children's Pediatric Hospital. Subsequently, he worked as a First Aid Physician-Trainee in nuclear-biochemical warfare at the Army Medical Corps in Athens. As a Rural Doctor, he served at the Rural Clinic of Polynerio and the Health Center of Deskati. He completed his specialty training at Grevena General Hospital as a Trainee in Cardiology, Pathology, and General Surgery, at the 1st IKA Hospital as a Trainee in General Surgery, and also at the 3rd Orthopedic Clinic of KAT Hospital. Additionally, he was the Physician for the football and basketball teams of Apollon Smyrnis. From 2014 to the present, he has worked at the Municipal Clinics of Kifisia and Lykovrysi. Furthermore, he has participated in numerous conferences. He is fluent in English and Italian.

Ksomeritaki Eleni is an Orthopedic Surgeon and maintains a private practice in Pangrati. She studied at the Medical School of the University of Crete in Heraklion. She served her mandatory Rural Service at the Vamou Health Center in Chania. In 1998, she obtained her specialty title in Orthopedic Surgery and Traumatology. She specialized in Orthopedics at the Asklipieio Hospital of Voula and at KAT Hospital in specialized departments of hand surgery, microsurgery, and pediatric orthopedics. Additionally, she completed postgraduate studies in the organization and management of health services. She has completed three years of training in medical acupuncture (2 years at the Northern Greece Institute of Acupuncture and 1 year at the Medical Acupuncture Training Center) and holds certification according to the standards of ICMART - International Council of Medical Acupuncture Related Techniques. Furthermore, she has been trained in homeopathy. Alongside Orthopedics, she has been practicing acupuncture since 2010, primarily addressing musculoskeletal pain by administering homeopathic medicines in combination.

Mr. Georgoulis Stylianos MD, MSC, Dipl is an Orthopedic Surgeon - Traumatologist with a private practice in Marousi. He has received advanced training at Oxford, United Kingdom, specializing in reconstructive orthopedics (hip and knee arthroplasty) and practices orthopedic surgery and traumatology - sports medicine at the 251 Air Force General Hospital as the Director of the 2nd Orthopedic Clinic. Simultaneously, he serves as the Deputy Director of the 7th Orthopedic Clinic at HYGEIA, focusing on robotic hip and knee arthroplasty, having been certified in these techniques. The core principles of his therapeutic approach to patients include information, understanding, honesty, and trust, which form the foundation for a personalized treatment process tailored to meet the distinct needs and demands of his patients. These are the essential elements of a mutual trust relationship between patient and surgeon, which will determine the choice of method, define the patient's therapeutic expectations, and ultimately ensure an excellent outcome.

Dr. Nikolaos Tzinieris, MD, MSc, FMH, is an Orthopedic Surgeon who maintains private practices at Mavili Square and in Peristeri. He is the Director of the 2nd ORTHOPEDIC CLINIC - Upper Limb, Hand, and Microsurgery Clinic at the "Errikos Dynan" Hospital Center. He graduated from the Medical School of the National and Kapodistrian University of Athens. During his specialty training, he was also trained at the University Clinic of Hôpital Orthopédique in Lausanne and subsequently was appointed as Assistant Consultant B’ at the Upper Limb-Hand and Microsurgery Clinic of KAT Hospital. He completed his subspecialty training in Upper Limb and Spine Surgery at the University Hospital of Lausanne and served as Consultant at the University Hand and Microsurgery Surgical Clinic Longeraie in Lausanne and at the CH8 Clinic in Geneva, while simultaneously working at major private medical centers in French-speaking Switzerland. Upon returning to Greece, he collaborated with his mentor, N. Gerostathopoulos, and together they established the 2nd Orthopedic Clinic of Errikos Dynan Hospital, assembling an exceptionally esteemed team of experienced and accomplished associates. To this day, he continues to collaborate with surgical centers in Switzerland. Throughout his career, he has delivered numerous lectures and presentations at Greek and international conferences and serves as an instructor in postgraduate training seminars. He also holds a Master's degree, has an extensive number of publications, and is a member of the Swiss Society of Orthopedic Surgeons, the Swiss Medical Association, the American Association for Hand Surgery (AAHS), and the American Spine Surgery Society.

Fragkopoulos Konstantinos is an Orthopedic Surgeon who maintains private practices in Korydallos and Keratsini. Additionally, he serves as an Orthopedic Surgeon in the Pediatric Orthopedic Department at Metropolitan Hospital. Furthermore, he has worked at the Orthopedic Clinic of the General Hospital of Nikaia - Piraeus "Agios Panteleimon," in the 2nd Pediatric Orthopedic Clinic of the General Children's Hospital of Athens "Agia Sophia," and in the Microsurgery Clinic of the Upper Limb & Shoulder at the General Hospital of Attica KAT. Finally, the doctor specializes in pediatric orthopedics, sports injuries, and hip and knee arthroplasty.

Mitrogiannis Georgios is an Orthopedic Surgeon specializing in Adults and Pediatrics – Sports Medicine Physician, maintaining a private practice in Nea Ionia. Concurrently, he works as a Consultant in the Pediatric Orthopedic Clinic at IASO Children’s Hospital. He holds a medical degree from the University of Ioannina School of Medicine and is a doctoral candidate at the School of Medicine, National and Kapodistrian University of Athens. He completed his specialty training in Orthopedics and Traumatology at the General Children’s Hospital "Panagiotis & Aglaia Kyriakou," the Korgialenio-Benakio Greek Red Cross Hospital, and the General Athens Hospital "Evangelismos," where, following the receipt of his Orthopedic Specialty certification, he remained for an additional two years as a Specialist Orthopedic Surgeon. During his residency, he received extensive training in managing injuries of all severities, sports-related injuries, and arthroplasties, actively participating in a large number of surgical procedures across the full spectrum of Orthopedics. He holds the Barca Innovation Hub Professional Diploma in Team Sports Injuries and the FIFA Diploma in Football Medicine, confirming his advanced expertise in sports medicine. In 2023, he served as a physician for the AEK Football Club, and from September 2024 to the present, he has been the team physician for the Academies of Panathinaikos Football Club. He also has a robust scientific portfolio with publications and presentations at Greek and international medical conferences and journals.

Kontrarou Eugenia is an Orthopedic Surgeon with a private practice in Agia Varvara. She holds a postgraduate degree in Metabolic Bone Diseases - Osteoporosis from the National and Kapodistrian University of Athens. She is a member of the Athens Medical Association and the Hellenic Osteoporosis Foundation, specializing in sports injuries and osteoporosis. In her private practice, she offers a wide range of services tailored to the individual needs of each patient.