Board Certification

  • Orthopaedics

Areas of Expertise

  • Knee and Shoulder Replacement
  • Complex Fracture Repair and Treatment
  • Knee and Shoulder Arthroscopic Surgery
  • Hip Arthroscopic Surgery
  • Shoulder Rotator Cuff Surgery and Repair
  • Wrist and Hand Surgery
  • Joint Fluid Therapy
  • Platelet-Rich Plasma (PRP) Injections
  • Carpal Tunnel Syndrome
  • Sports Injuries
  • Work Injuries
  • Medico-Legal / Second Opinion
  • General Orthopedics



University of Pennsylvania
Department of Orthopedic Surgery
Hand Surgery Fellowship
Philadelphia, PA

Orthopedic Residency

Hahnemann University Hospital
Department of Orthopedic Surgery & Rehabilitation
Philadelphia, PA

Medical School

Hahnemann University School of Medicine
Philadelphia, PA

Hospitals Affiliated With

Cape Canaveral Hospital
Palm Bay Hospital


Dr. O’Brien is a fellowship-trained, Board Certified orthopedic surgeon in practice since 1996. Dr. O’Brien completed his medical school and orthopedic residency at Hahnemann University Hospital, Philadelphia, PA. He specializes in Hand and General Orthopedic Surgery. Dr. O’Brien prides himself in offering his patients the best orthopedic care, delivered with compassion and superior technical skill.