Very nice man, helpful staff.

Dr. Klein literally saved my son's life! He fought to have the hospital admit him immediately instead of waiting, performed emergency surgery that very night and 3 more in the following month to remove staff infection from my son's knee. When the hospital floor doc wanted to drill into my son's bone to make sure there was no infection, Dr. Klein assured me that wouldn't happen, and went toe-to-toe with the floor doc, letting him know in no uncertain terms that he, (Dr. Klein) was the specialist and my son's doctor, not the floor doc, and there would be no drilling into the bone, as doing that would surely cause infection in the bone! Dr. Klein is very honest, tells it like it is, and is very, very good at what he does. And he stands his ground in a very professional manner! I trust him implicitly!

Highly recommend Dr. Klein. He is very personable, to the point and has a great personality. I had a torn meniscus and he repaired it in a week. I feel great and Dr. Klein called the evening of the surgery to see how I was doing. Rare for a Dr. these days. His office manager Selene, goes above and beyond to make appointments and answer any questions. I moved to AZ 2 years ago and feel like I have known Dr. Klein all my life. He is thorough and the kind of Dr. you would want. I first started seeing him for my knees, he gives pain free cortisone shots and knee lubricant shots to relieve the bone on bone feeling. You can't go wrong with Dr. John Klein!!!