Program Information Orthopaedic, Sports, Spine & Pain (OSSP) Center brings a multidisciplinary and comprehensive approach for the diagnosis, treatment and rehabilitation of a wide spectrum of orthopaedic disorders. We are proud to offer a team of world-class surgeons and specialists, that will carefully diagnose and individualize treatment plans for each specific need. OSSP Center services include a variety of orthopaedic specialties such as Orthopaedic Surgery, Sports Medicine, Joint Replacement Surgery, Orthopaedic Oncology, Arthroscopic Knee, Hip and Shoulder Surgery, Neurosurgery, Pain Management, Spine Intervention, Podiatric Surgery, Foot & Ankle Reconstruction Surgery, Diabetic Limb Salvage, and Wound Management. With each patient, we strive to achieve excellence in care and treatment from the diagnosis to the recovery. Dr. Hai Nguyen specializes in pain management for chronic pain. He treats patients for a variety of issues which can include whole body pain, spinal stenosis and drug addiction.