Orthopaedic - Orthopaedic Surgeons for Spondylolisthesis

Dr. Theodosios Koukoumpis, MD, PhD, is an Orthopedic Surgeon with a private practice in Thessaloniki. His medical education and specialty training were initially completed at the University of Ioannina, followed by further training in the United States. His specialization and primary scientific interest lie in adult reconstructive surgery, with a particular focus on the Hip and Knee. Surgically, he employs modern techniques in Total Hip Arthroplasties for degenerative diseases as well as for complex Congenital Hip Dislocations, and also in Total Knee Arthroplasties. Where indicated for the patient's benefit, he applies minimally invasive surgical approaches (MIS) and selects the ideal implant for each patient, with appropriate planning and the highest quality materials. In Knee Arthroplasties, he utilizes advanced preoperative planning with Computed Tomography to employ patient-specific instruments (PSI). Finally, his scientific work includes hundreds of published papers, presentations, organization of conferences, and chairing of conferences both in Greece and internationally.

Kazas Christos is an Orthopedic Surgeon - Traumatologist for adults and children, maintaining a private practice in Thessaloniki. He graduated from the Medical School of Democritus University of Thrace, based in Alexandroupoli, and holds a Master’s degree in "Clinical Surgical Anatomy" from the Medical School of the same institution. He completed his specialization in Orthopedics & Traumatology at the 2nd Orthopedic Clinic of Papageorgiou Hospital and subsequently moved to the United Kingdom to work as a Senior Clinical Fellow in Paediatric Trauma & Orthopaedics at Birmingham Children’s Hospital, BWC NHS Trust, and later worked at Leeds General Infirmary. Currently, in his private practice, he manages cases of Pediatric Trauma, Pediatric Orthopedics, Adult Orthopedics, as well as Adult Traumatology.

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.

Dr. Sinnis Gerasimos is an Orthopedic Surgeon - Traumatologist who has maintained a private practice in Ampelokipi since October 2014. He holds a medical degree from the University of Bologna in Italy. He specialized in Orthopedic Surgery and Traumatology at the General Hospital of Athens "Evangelismos," followed by training in the Microsurgery and Hand Department of the General Hospital of Attica KAT, and finally at the 2nd Orthopedic Clinic of the Children's General Hospital "P. & A. Kyriakou." For two years (05/2012 - 04/2014), he completed paid postgraduate training in hip and knee reconstructive surgery in Bologna, Italy, at the private clinic Casa di Cura "Villa Erbosa" (San Donato Hospital Group), in the Clinic for Degenerative and Dysplastic Hip Diseases, under the supervision of Professor Roberto Binazzi. From 02/2022 to 10/2023, he served as a physician for the football team of P.A.E. Panathinaikos, while from 09/2015 to 10/2019 he was head of the medical department of the P.A.E. Panathinaikos Academy, gaining significant experience with sports injuries in children and adults. He holds a postgraduate degree titled "Metabolic Bone Diseases" from the National and Kapodistrian University of Athens and is a final-year student in the postgraduate program "Exercise and Health" at the same institution.

Orthopedic Surgeon Mpekas Georgios maintains private clinics in Pangrati, Agioi Anargyroi, and Palaio Faliro. He graduated from the Medical School of the National and Kapodistrian University of Athens and subsequently attended a postgraduate program in Metabolic Bone Diseases. He specialized in General Surgery at the General Hospital of Messolonghi "Chatzikosta" and in Orthopedics at the General Hospital "Asklipieio" Voula and the Children's General Hospital "Panagiotis & Aglaia Kyriakou," where he also engaged in Pediatric Orthopedics. Additionally, he completed a six-month specialization in the Microsurgery - Upper Limb department at the Attica General Hospital KAT. He has worked as an Orthopedic Surgeon Consultant at Metropolitan Hospital. The physician holds an Advanced Life Trauma Support diploma and is a member of the Hellenic Osteoporosis Foundation. Besides his private clinics in Pangrati and Agioi Anargyroi, Mpekas Georgios also works as an Orthopedic Surgeon at the Athens Medical Center (Marousi Clinic) and as an Associate Orthopedic Surgeon at the private clinic REA. Concurrently, he works as a Pediatric Orthopedic Consultant at the Pediatric Center of Athens (Athens Medical Group). The physician approaches each case with particular sensitivity, providing appropriate treatment tailored to the specific needs of each patient and their condition. He undertakes the surgical management of emergency orthopedic cases (fractures). Furthermore, his medical team manages numerous elective orthopedic surgical cases (arthroscopies, total arthroplasties, upper limb microsurgery, sports injuries). Finally, modern biological therapies (PRP, hyaluronic acid and cortisone injections) are performed in the clinic.

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.

Mandals Konstantinos is an Orthopedic Surgeon with a private practice in Kaisariani. He graduated from the Medical School of the National and Kapodistrian University of Athens and completed his specialty training in the Orthopedic Clinic of the General Hospital of Athens "G. Gennimatas," at the General Children's Hospital "P. & A. Kyriakou," and at the Special Anti-Cancer Hospital of Piraeus "Metaxa." During his specialty training, he participated in 1120 surgeries, either as the primary or assistant surgeon, dealing with fractures and dislocations as well as chronic orthopedic cases, such as knee and hip arthroplasties, knee and shoulder arthroscopies, spinal fusions, and discectomies. To date, he has numerous publications in Greek and international conferences, actively participating as a speaker, maintaining excellent training, deep knowledge, and continuous professional development in his field. Finally, he is a member of the Athens Medical Association, the AO Foundation, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Osteoporosis Foundation.

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.

Η Μητσάκου Ματίνα είναι Ορθοπαιδικός Χειρουργός και διατηρεί ιδιωτικά ιατρεία σε Μαρούσι και Κόρινθο , ενώ είναι επιμελήτρια της Γ Ορθοπαιδικής Κλινικής του ΙΑΣΩ Γενική Κλινική . Αποφοίτησε με βαθμό ¨ Άριστα ¨από την Ιατρική Σχολή Αθηνών του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών και κατέχει τον Τίτλο Ειδικότητας Ορθοπαιδικής και Τραυματολογίας από τον Ιανουάριο 2023 (ΠΙΣ). Το 2023 απέκτησε επίσης τον διεθνώς αναγνωρισμένο τίτλο FEBOT (Fellow of the European Board of Orthopaedics and Traumatology - Ακόλουθος της Ευρωπαϊκής Εταιρείας Ορθοπαιδικής και Τραυματιολογίας) κατόπιν ειδικών εξέτασεων . Έχει ολοκληρώσει τον κύκλο μαθημάτων του Μεταπτυχιακού Προγράμματος Σπουδών με θέμα " Μεταβολικά Νοσήματα των Οστών ". Η κλινική της εμπειρία περιλαμβάνει πολυετή εκπαίδευση και υπηρεσία σε Ορθοπαιδικές Κλινικές μεγάλων νοσoκομείων , όπως του Ναυτικού Νοσοκομείου Αθηνών και του Γ.Ν.Α ΚΑΤ, καθώς και η Παιδοορθοπαιδική Κλινική του Γεν.Νοσοκομείου Παίδων Πεντέλης. Είναι μέλος του Ιατρικού Συλλόγου Αθηνών και Κορινθίας . Το επιστημονικό της έργο περιλαμβάνει δημοσιεύσεις, παρουσιάσεις και συμμετοχή σε ελληνικά και διεθνή συνέδρια.

Η ιατρός ασχολείται εξατομικευμένα με κάθε ασθενή επιδεικνυοντας ιδιαίτερη έμφαση στη λήψη ιστορικού και την αναλυτική κλινική εξέταση . Εστιάζοντας στη λεπτομέρεια και βασιζόμενη σε βαθειά και εμπεριστατωμένη γνώση της Ορθοπαιδικής ,στοχεύει πάντα στην σωστή διάγνωση. Διαπνέεται από βαθειά ενσυναίσθηση και έχει ως βασική προτεραιότητα της τη βελτίωση της ποιότητας της ζωής του ασθενούς και την ολιστική προσέγγιση των προβλημάτων του. Δινει πάντα προτεραιότητα στις μη χειρουργικές θεραπευτικές επιλογές , σε συνεργασία και με άλλες ειδικότητες όπως φυσικοθεραπευτές , ακτινολόγους και ιατρούς άλλων ειδικοτήτων. Γνώμονας είναι η πιο ασφαλής και αποτελεσματική λύση για τον ασθενή, ο οποίος συμμετέχει ενεργά στη λήψη των αποφάσεων με πλήρη ενημέρωση και σεβασμό στις ανάγκες και στις ανησυχίες του.Οταν οι συντηρητικές επιλογές εξαντλούνται και απαιτείται χειρουργική παρέμβαση, η κ.Μητσάκου παρέχει σε κάθε περίπτωση μια εξαιρετικά εξατομικευμένη,πλήρως καταρτισμένη και υπεύθυνη προσέγγιση, χρησιμοποιώντας τις νεότερες και πληρέστερες χειρουργικές τεχνικές και παρέχει στενή περιεγχειρητική και μετεγχειρητική παρακολούθηση και φροντίδα του ασθενή.

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.

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.

Giantsidis N Georgios MD, MSc is a Military Physician, Orthopedic Surgeon and consultant at the 1st Orthopedic Department of the 424 General Military Training Hospital. He maintains a private practice in Thessaloniki, in the Voulgari area. He graduated from the Medical School of the Aristotle University of Thessaloniki (Military Medicine) in 2012 and subsequently served as a physician in Special Forces Military Units. He completed his specialty training at the 424 General Military Hospital and the General Hospital of Thessaloniki "Georgios Papanikolaou." During his residency, he performed numerous orthopedic surgeries, participated in many fracture repair and orthopedic disorder surgeries, trained in urgent and routine cases of his specialty, and actively contributed to the scientific work of his clinic. Since then, he has been serving as an orthopedic consultant at the 1st Orthopedic Department of the 424 General Military Training Hospital, performing a large number of surgical procedures annually across the full spectrum of Orthopedic specialty. He actively participates in postgraduate seminars and conferences to continuously update and enhance his knowledge of the latest advances and developments in Orthopedic Surgery and Traumatology.

Maria Vlaxou is an orthopedic surgeon who maintains a private practice in Ilioupoli and concurrently holds the position of attending physician in the pediatric orthopedic clinic at Metropolitan Hospital.

Dr. Vlaxou was admitted to the medical school of the University of Patras in 2008 and graduated in 2014. Immediately thereafter, she worked for one year at the Corinth Hospital, where she was trained in the reception and management of polytrauma patients. From November 2015, she worked in the orthopedic oncology clinic at "Agios Savvas" Hospital, participating in major oncological surgeries and monitoring oncology patients. From June 2016 to 2023, she worked at General Hospital Georgios Gennimatas in the First Orthopedic Clinic, gaining experience in orthopedic trauma, arthroplasty of major joints, and sports injury rehabilitation. Concurrently, for two years, she completed a rotation in the Second Orthopedic Clinic of the Children's Hospital Agia Sofia, where she was trained in pediatric orthopedic trauma, neonatal hip ultrasound according to Graf, the Ponseti method, and a wide range of other pediatric orthopedic conditions.

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.

Maxairas Stylianos MD, MSc is an Orthopedic Surgeon with a private practice in Pangrati. He graduated from the Medical School of the National and Kapodistrian University of Athens and received his specialty training at the University Orthopedic Clinic of Athens. He specialized in sports medicine, traumatology, and total knee and hip arthroplasty at recognized centers in Greece (KAT Hospital), Europe (University Orthopedic Clinic in Homburg Saar, Germany), and the USA (Northwestern University, Chicago, Illinois and Cornell University Hospital for Special Surgery, New York). He worked as an Orthopedic Surgeon in the sports injuries department of the General Hospital of Attica KAT for over 8 years and has served as a team physician for football, volleyball, and basketball teams. Additionally, he served as Director of the Sports Injuries Department at Metropolitan Hospital and the Euromedica Group, as well as Director of the Orthopedic Clinic at Neon Athinaion. Currently, he is a member of the Headquarters of the Olympic Medical Committee and the World Stem Cell Organization. Finally, with 20 years of experience, he has performed a large number of arthroscopies on the knee, hip, elbows, shoulders, and ankle.

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.

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.

Dr. Antonios Aggoules, MD, PhD, is an Orthopedic Surgeon who maintains a private practice in Neo Psychiko. He holds a doctoral degree from the Medical School of the National and Kapodistrian University of Athens, as well as a medical degree from the same institution. He completed his specialty training in Orthopedics at the "Asklepieio" Voula Hospital, "P. & A. Kyriakou" Children's Hospital, and "Agios Savvas" Hospital, followed by a fellowship in the Academic Unit of Orthopaedic and Trauma Surgery at Leeds General Infirmary, funded by a scholarship from the Hellenic Society of Orthopaedic Surgery and Traumatology. The doctor has extensive experience in sports injuries, trauma, knee surgery, low back pain, neck pain, as well as medical acupuncture, holding certification in Traditional Chinese Medicine and Medical Acupuncture from the AcuScience International Postgraduate Center on Acupuncture. He collaborates with renowned private healthcare institutions and simultaneously teaches in higher education. His scientific work includes publications in international and recognized Greek medical journals, as well as numerous presentations at medical conferences on topics related to orthopedics, traumatology, and physical rehabilitation. Finally, he is a member of the Athens Medical Association and former President of its Alternative Medicine Committee, as well as a member of the Hellenic Medical Acupuncture Society.