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Nikolaos Paschos, MD
Co-Chief, Division of Pediatric Orthopaedic Surgery
Nikolaos Paschos

Dr. Nikolaos K. Paschos is an experienced pediatric and young adult orthopedic surgeon and researcher specialized in sports medicine, with a particular interest in arthroscopic surgery of knee, hip, and shoulder sport injuries and in regenerative medicine. He has a particular interest in patellofemoral conditions.

After completing his residency, he performed postdoctoral research in tissue engineering at University of California Davis. He then completed three fellowships at University of Pennsylvania, at Boston Children’s Hospital, and at New England Baptist Hospital. Dr. Paschos serves as an Associate Editor for the Arthroscopy Journal and has served in the Executive Board of the European Federation of National Associations of Orthopedics and Traumatology (EFORT) and as a member of the Steering Board of the EFORT Educational Committee. He has served as president and board member of the Federation of Orthopedic Trainees in Europe (FORTE). and as a member of the medical team of sports teams of various levels, including the Boston Celtics, UMass Boston, UPenn Athletics among others.


  • Medical Degree, University of Ioannina - Greece
  • Residency, University Hospital of ioannina, Greece,
  • Fellowship, Boston Children's Hospital
  • Fellowship, Hospital of the University of Pennsylvania
  • Fellowship, New England Baptist Hospital


  1. ESSKA DePuy Synthes Degenerative Joint Fellowship
  2. ISAKOS Patellofemoral Foundation Traveling Fellowship Award
  3. Philadelphia Orthopedic Society of Sports Medicine Study Award
  4. ISAKOS Albert Trillat Young Investigator’s Award Finalist
  5. ISAKOS International Sports Medicine Fellowship Scholarship Recipient
  6. “Clinical Biomechanics Award”, First Prize, World congress of Biomechanics, Boston
  7. Certificate of Excellence in Reviewing Award”, Elsevier for the Arthroscopy Journal


Dr Paschos performed the fellowship of the Patellofemoral Foundation that further enhanced his knowledge and understanding in patellofemoral instability. Trained both in Europe and USA, he is am able to combine various surgical techniques for patellofemoral instability and offer the best option to patellofemoral instability patients. He has published several studies in patellofemoral conditions including novel surgical techniques for patellofemoral instability for children and adolescents. He is a proud member of the prestigious international patellofemoral study group (IPSG).