Talk to General Physician on Chronic Pelvic Pain Syndrome

I faced pelvic pain started when i daily ran 20 km plus doing heavy all test x ray reports are cleared regarding pelvis or back bone but still i faced strain in my buttocks when i site to this pain directly transferred into my testicles sometimes i thinks its my waham so sometimes i started to ignore but pain still marham plz suggest me any neurologist who deals with pelvic pain issue