Call (602) 338-9251 Dr. Gary L. Wagoner knee pain doctor for treatment pain relief in Phoenix, AZ. Knee pain can happen for many different reasons. Even if you had knee surgery you can still develop pain in the knee after the surgery. Dr. Wagoner has been helping patients overcome knee pain for many years with great results without risky, painful surgery. We have immediate same day appointments for you. We are open 6 days a week with morning, afternoon and evening appointments available. All insurance is accepted. Medical liens are also accepted. Call today for your immediate appointment.