Often if the affected hip has arthritis
, you have to look above and below it, meaning the lumbar spine, pelvis, sacrum, and knees.
Best to get a second opinion from an osteopathic physician, who can help assess your pain involvement . S/he can do an osteopathic musculoskeletal examination, and help with treatment . You didn't state your weight, as this can add to the hip ; kneee pain too.