Comments: Dr. Longo has replaced both of my hips. The right hip almost five years ago, the left this past October. I have been an elite athlete all my life and Dr. Longo's excellant skills have allowed me to regain my mobility and ride my bike again without pain. His attention to detail and his quality of care are unmatched as far as I am concerned. I have seen at least eight other orthopedic surgeons in AZ and CA. Simple the best..................