Doctors with experience in Osteoporosis

Kozyraki Ariadni is a Specialist Endocrinologist - Diabetologist and maintains a private practice in Thessaloniki. Additionally, she is responsible for the outpatient endocrinology clinic of T.Y.P.E.T. (Health Fund of Employees of the National Bank). She holds a medical degree from the Aristotle University of Thessaloniki School of Medicine and is a candidate for the English-taught postgraduate diploma in Human Reproduction from Aristotle University of Thessaloniki. She specialized in Endocrinology, Diabetology, and Metabolism at the academic hospital of the University of Münster, Klinikum Dortmund, and at the academic hospital of the University of Duisburg-Essen, EvK Herne in Germany. She has worked as a specialist Endocrinologist - Diabetologist at the endocrinology-diabetology center of Dortmund MVZ Eberhard, as well as at the academic hospital of the University of Münster, Klinikum Dortmund. She also holds specializations related to her field, specifically in Osteoporosis Treatment, Lipidology, as well as Thyroid and Parathyroid Ultrasound (including elastography).

Anagnostis Theodoros MSc is a Specialist Rheumatologist maintaining a private practice in Rhodes. He has completed postgraduate studies in osteoporosis and metabolic bone diseases at the Medical School of the National and Kapodistrian University of Athens. He is specialized in the diagnosis and management of autoimmune musculoskeletal diseases. His practice offers a wide range of services, tailored to the individual needs of each patient.

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.

Spanos Ioannis MD, MSc is an Orthopedic Surgeon, with a particular specialization in foot and ankle pathologies, collaborating with the Agios Loukas Clinic since 2012. He has extensive experience in the management of orthopedic and sports injuries. After graduating from Aristotle University of Thessaloniki, he completed his residency at the First Orthopedic Clinic of the General Hospital of Athens "Evangelismos," during which he received training in sports injuries at the Sports Injuries Clinic of KAT - General Hospital and Accident Hospital. Following the completion of his specialty, he received further specialized training in the surgical management of forefoot and hindfoot conditions (Fuß Orthopädisches KH Speising, Fusszentrum Wien) as well as in ankle arthroscopy (Orthopedic Department and Orthopedic Research Center, AMC Amsterdam). He holds a Master’s degree (MSc) in "Exercise and Health" and has participated as a speaker in international and national orthopedic conferences. His objective is to provide high-level, personalized medical services through continuous education.

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.

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.

Ο Πέτρος Ι. Πετρίδης είναι Ορθοπαιδικός Χειρουργός – Αθλητίατρος και ειδικεύεται στις αθλητικές κακώσεις και στις αρθροπλαστικές επεμβάσεις χρησιμοποιώντας το ρομποτικό σύστημα ΜΑΚΟ της Stryker. Εργάζεται παράλληλα στη Γερμανία ως Αναπληρωτής Διευθυντής του Κέντρου Χειρουργικής Ισχίου-Γόνατος-Άκρου Ποδός του St. Anna Hospital Herne Γερμανίας και διετέλεσε επικεφαλής του ιατρικού επιτελείου της ΠΑΕ Ηρακλής το 2024. Έχει πλούσιο κλινικό έργο και κατέχει τον τίτλο Κύριου Χειρουργού του Κέντρου Αρθροπλαστικών Επεμβάσεων Μέγιστης Αντιμετώπισης του St. Anna Hospital Herne και είναι υπεύθυνος για τον έλεγχο ποιοτικής διασφάλισης του Κέντρου. Έλαβε τη διεθνή πιστοποίηση Ρομποτικής Χειρουργικής στο Amsterdam Ολλανδίας και εξειδικεύθηκε στη Ρομποτική Χειρουργική Γόνατος και Ισχίου οργανώνοντας τη λειτουργία του ρομποτικού συστήματος MAKO της Stryker στο Κέντρο Αρθροπλαστικών Επεμβάσεων του St. Anna Hospital Herne, με άνω των 1800 αρθοπλαστικών επεμβάσεων (προθέσεων) ετησίως. Επίσης εξειδικεύθηκε και έλαβε στη Stuttgart Γερμανίας (Prof. Dr. med. P. Aldinger) την πιστοποίηση για την επέμβαση μονοδιαμερισματικής πρόθεσης γόνατος σε ασθενείς με μερική αρθρίτιδα του γόνατος. Διετέλεσε από το 2013 έως το 2022 μέλος του ιατρικού επιτελείου της ποδοσφαιρικής ομάδας της Bundesliga FC Schalke 04 στο Gelsenkirchen Γερμανίας και απέκτησε κατόπιν εξετάσεων την υποειδικότητα της Αθλητιατρικής από τον Ιατρικό Σύλλογο Westfalen-Lippe Γερμανίας. Έχει λάβει την Πιστοποίηση αρθροσκοπικών επεμβάσεων από τη Γερμανόφωνη Εταιρία Αρθροσκόπησης AGA με τομείς εξειδίκευσης την αρθροσκόπηση γόνατος (συνδεσμικές κακώσεις γόνατος – Πρόσθιος/Οπίσθιος Χιαστός Σύνδεσμος, κακώσεις μηνίσκων, χόνδρινες βλάβες γόνατος), την αρθροσκόπηση ισχίου (σύνδρομο μηροκοτυλιαίας πρόσκουσης, χόνδρινες βλάβες, βλάβη επιχειλίου χόνδρου) και την αρθροσκόπηση ποδοκνημικής άρθρωσης. Ανήκει στους λίγους χειρουργούς διεθνώς που είναι εξειδικευμένοι στην αποκατάσταση του οπισθίου χιαστού συνδέσμου του γόνατος. Είναι απόφοιτος της Ιατρικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης και κατά τη διάρκεια των σπουδών του έλαβε το 2008 υποτροφία και σπούδασε στην Ιατρική Σχολή του Πανεπιστημίου Βόννης, Rheinische Friedrich-Wilhelms Universität, στη Γερμανία. Έκτοτε εργάστηκε και εξειδικεύθηκε εξ΄ολοκλήρου στη Γερμανία. Έλαβε την ειδικότητα Ορθοπαιδικής και Τραυματολογίας στο St. Anna Hospital στο Herne της Γερμανίας, ενός Κέντρου Ορθοπαιδικής με 29.500 ασθενείς και άνω των 4.000 αρθροσκοπήσεων ετησίως, και ειδικεύθηκε σε όλο το φάσμα των αθλητικών κακώσεων με έμφαση στις κακώσεις γόνατος, ισχίου, ώμου και ποδοκνημικής άρθρωσης εφαρμόζοντας εξειδικευμένες αρθροσκοπικές τεχνικές ελάχιστης επεμβατικότητας και πρωτόκολλα ταχείας αποκατάστασεις των ασθενών. Από τον Ιανουάριο 2019 ανέλαβε τη θέση Αναπληρωτή Διευθυντή του Κέντρου Χειρουργικής Ισχίου-Γόνατος-Άκρου Ποδός του St. Anna Hospital Herne. Επίσης έλαβε κατόπιν εξετάσεων από τον Ιατρικό Σύλλογο Westfalen-Lippe Γερμανίας την υποειδικότητα Ειδικής Χειρουργικής Τραύματος σχετικά με την αντιμετώπιση περίπλοκων καταγμάτων και πολυτραυματία όπως επίσης και την υποειδικότητα της Επείγουσας Ιατρικής. Συμμετέχει ενεργά με ομιλίες σε διεθνή και ευρωπαϊκά συνέδρια Ορθοπαιδικής και είναι μέλος της Γερμανόφωνης Εταιρίας Αρθροσκόπησης AGA και της Ευρωπαϊκής Εταιρίας Χειρουργικής Γόνατος ESSKA. Διατηρεί το επιστημονικό του έργο στη Γερμανία συνεχίζοντας να εργάζεται ως υπεύθυνος του Κέντρου Αρθροπλαστικών Επεμβάσεων στο St. Anna Hospital Herne και παράλληλα δέχεται ασθενείς στο ιδιωτικό του ιατρείο στη Θεσσαλονίκη. Τέλος, γνώμονας του είναι η εξατομικευμένη προσέγγιση του ασθενούς υπό τη δέουσα προσοχή, ώστε μέσω της άρτιας και εμπεριστατωμένης διάγνωσης να επιτευχθεί η βέλτιστη θεραπευτική αντιμετώπιση εφαρμόζοντας διεθνώς αναγνωρισμένα πρωτόκολλα θεραπείας.

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.

Tzavellas Anastasios is an Orthopedic Surgeon who maintains a private practice in the center of Thessaloniki. He collaborates with private clinics in the city to perform surgical procedures and is currently working as a Consultant in the First Orthopedic Clinic of the 424 General Military Hospital.

In 2008, he was commissioned as a Second Lieutenant (Physician), having concurrently graduated from the Medical School of Aristotle University of Thessaloniki, where he enrolled in 2002.

In 2012, he began his specialty training at the 424 General Military Training Hospital, which he completed in 2018 at the Third University Orthopedic Clinic of Aristotle University of Thessaloniki at the General Hospital "Papageorgiou," receiving the title of Orthopedic Surgeon.

He completed the Master's program in "Medical Research Methodology" at Aristotle University of Thessaloniki (2014 – Grade: Excellent) and obtained his PhD from the Medical School of Aristotle University of Thessaloniki in 2024, presenting his dissertation on the osteoinductive capacity of a novel peptide derived from Bone Morphogenetic Protein-2 combined with a de novo collagen sponge as a bone graft substitute.

During the period 2021-2024, he worked in the United Kingdom, specifically at Frimley Park Hospital, as a Clinical Fellow in the Hip-Knee Surgery Department, gaining significant experience by performing and participating in a substantial number of surgical procedures (hip and knee arthroplasty, revisions, unicompartmental (partial) knee arthroplasty, arthroscopic surgery, osteotomies).

Ailamakis Nikolaos is an Orthopedic Surgeon who maintains a private practice in Chalandri and holds a position as a consultant at the 2nd Orthopedic Clinic of Errikos Dynan Hospital Center. He holds a medical degree from the Medical School of the University of Crete and is specialized in Arthroplasty, fracture management, upper and lower limb surgery, Sports Injuries, Shoulder – Hip – Knee pathologies, and Pediatric Orthopedics. He covers the entire spectrum of Orthopedics and Traumatology using the most modern treatment methods, either surgical and/or conservative depending on indications. Additionally, he offers a range of services, including osteoporosis screening, fracture management and follow-up, treatment of spinal and limb disorders, wound suturing and repair, and cast application. Moreover, thanks to his extensive experience, he provides high-level services in total hip and knee arthroplasty using minimally invasive techniques — resulting in shorter hospitalization time, minimal and controlled postoperative pain, and rapid recovery. Finally, he offers medical treatment and rehabilitation of musculoskeletal conditions using specialized biological agents without contraindications or side effects, such as hyaluronic acid and injections of concentrated platelets – growth factors.

Mpaili Georgia is a Rheumatologist and maintains a private practice in Glyfada. She studied at the Medical School of Democritus University of Thrace and specialized in Rheumatology at GNA KAT. She has experience in systemic autoimmune diseases, osteoarthritis, osteoporosis, and other musculoskeletal disorders. She is a member of the Hellenic Rheumatology Society and the Hellenic Society for the Study of Bone Metabolism.

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.

Zografidis Aleksandros is an Orthopedic Surgeon specializing in Orthopedics and maintains a private practice in Paleo Faliro. He studied Medicine at the "La Sapienza" University of Rome. Subsequently, he trained in Orthopedics at the General Hospital "Asklipieio" of Voula, in Pediatric Orthopedics at the General Hospital of Piraeus "Tzaneio", in General Surgery at the General Hospital "Asklipieio" of Voula, in Plastic Surgery at the Anti-Cancer Hospital of Piraeus "Metaxa", and in Thoracic Surgery at the 1st Thoracic Surgery Clinic of the General Hospital for Thoracic Diseases "Sotiria". Additionally, he has served as the Director of the Orthopedic Department at the "Bioclinic" of Piraeus, and currently works at the Athens General Clinic and the Modern Private Multipractice "Medifirst". In the past, he was the team physician for the PAE Panionios football club, participating in the preparation and many matches of the team, both in the Greek Championship and the UEFA Cup, as well as the physician for SEGAS, participating in numerous Pan-Hellenic and Pan-European events with the National Track and Field Team. Finally, the doctor is specialized in Sports Injuries, Arthroscopic surgery of the knee and shoulder, and Pediatric Orthopedics.

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.

Kleio Xantziara is an Endocrinologist with a private practice in Goudi. She holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the same institution. She holds a Bachelor of Arts in Psychology and Biology with a full scholarship from Harvard University. She is affiliated with the "Hygeia" and "Mitera" Hospitals. She specialized in Endocrinology at St. Luke’s and Roosevelt Hospitals in New York, as well as in the Endocrinology, Diabetes, and Metabolism department of the General Hospital of Athens "Evangelismos". Additionally, she has participated as a researcher in primary research on brain tumors, specifically apoptosis and clonality analysis, in the Neurosurgery Laboratory at Brigham and Women's Hospital in Boston. Finally, she has numerous scientific publications and is a member of various associations and scientific societies in Greece and abroad.

Dr. Kavaratzis Kyriakos is a Specialist in Internal Medicine and has maintained a Private Practice in Alexandroupolis since 2008. He graduated from the Medical School of Plovdiv University and obtained the title of Specialist in Internal Medicine after completing his specialization at the State and A University Internal Medicine Clinic of the University General Hospital of Alexandroupolis, the outpatient clinic for diabetes and obesity, and a concurrent 3-month training in Oncology, Intensive Care Unit, Cardiology, and the Emergency Department. Simultaneously, he has worked as a Specialist in Internal Medicine at I.K.A. Alexandroupolis for 2 years, for 4 years at K.A.P.I. Alexandroupolis, and for 1 year at the Migrant Center in Komotini.

Ο Δρ. Γιαννακόπουλος Ιωάννης MD, PhD, MSc, είναι Ορθοπεδικός Χειρουργός - Αθλητίατρος, Διδάκτωρ Πανεπιστημίου Κολωνίας με ιδιωτικό ιατρείο στο Μαρούσι. Παράλληλα διατελεί Διευθυντής της Ορθοπεδικής Κλινικής Χειρουργικής Κάτω Ακρων και Ρομποτικής Χειρουργικής στο Ιατρικό Κέντρο Αθηνών στο Μαρούσι. Μετά από 15 χρόνια καριέρας στη Γερμανία, απέκτησε μεγάλη χειρουργική εμπειρία, υπηρετώντας ως Διευθυντής τμήματος Χειρουργικής Ποδοκνημικής και Ακρου Ποδός, αν. Διευθυντής Ορθοπεδικής Κλινικής και Συντονιστής Πιστοποιημένου Κέντρου Αρθροπλαστικής Ισχίου & Γόνατος πραγματοποιώντας εξαιρετικά μεγαλο αριθμό χειρουργείων (πιστοποιημένο logbook χειρουργείων). Είναι πιστοποιημένος ως Expert από την Γερμανική Εταιρεία Χειρουργικής Ποδοκνημικής και Ακρου Ποδός (Expert Certification / German Foot and Ankle Society – GFFC). Ειδικεύεται σε όλο το φάσμα της Χειρουργικής Ποδοκνημικής και Ακρου Ποδός με μεγάλη χειρουργική εμπειρία και όγκο περιστατικών. Έχει ειδικό χειρουργικό ενδιαφέρον στις Αρθροσκοπικές & Διαδερμικές Οστεοτομίες του ποδιού (MIS Foot&Ankle Surgery) όπως επίσης στη διαδερμική τεχνική θεραπείας του βλαισού μεγάλου δαχτύλου. Από το 2016 είναι πιστοποιημένος Χειρουργός (certified Senior Hip&Knee Arthroplasty Surgeon) σε Γερμανικά Κέντρα Αρθροπλαστικών, πραγματοποιώντας πάνω από 1200 Αρθροπλαστικές Ισχίου και Γόνατος. Είναι πιστοποιημένος χειρουργός Ρομποτικής Χειρουργικής Γόνατος εφαρμόζοντας εξατομικευμένες τεχνικές ευθυγράμισσης (Functional Alignment, Kinematic Alignment). Ο Δρ. Ιωάννης Γιαννακόπουλος είναι επίσης πιστοποιημένος από την Γερμανική Εταιρεία Χειρουργικής Γόνατος (certified Knee Surgeon / German Knee Society – DKG). Είναι απόφοιτος της Ιατρικής Σχολής Πατρών και Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου της Κολωνίας με ειδικό ενδιαφέρον της Διατριβής του στην αρθροπλαστική του γόνατος. Είναι επίσης κάτοχος Μεταπτυχιακού τίτλου σπουδών του Ανοιχτού Πανεπιστημίου της Κύπρου στον τομέα της Διοίκησης Μονάδων Υγείας. Επιπροσθέτως, είναι κάτοχος του Τίτλου Ειδικότητας της Αθλητιατρικής (Sports Medicine Specialty) από την Γερμανική Ιατρική Εταιρεία. Επίσης, ο Δρ. Ιωάννης Γιαννακόπουλος υπήρξε εκπαιδευτής πολλών νέων συναδέλφων στη Γερμανία και προσκεκλημένος ομιλητής σε πολλά επιστημονικά συνέδρια στην Ευρώπη και την Ελλάδα. Παράλληλα είχε τον ρόλο εκπαιδευτή για την εταιρεία Microport Orthopedics, στην πρωτοποριακή ελάχιστα επεμβατική τεχνική αρθροπλαστικής ισχίου (PATH® HIP Arthroplasty) και στην ρομποτική αρθροπλαστική γόνατος. Τέλος, ο Δρ. Ιωάννης Γιαννακόπουλος επιστρέφοντας στην Ελλάδα εφαρμόζει την ίδια ακριβώς αξιόπιστη γερμανική νοοτροπία και τεχνογνωσία στον τόπο του, παρέχοντας στους ασθενείς του τις πιο σύγχρονες θεραπευτικές τεχνικές.