RenaB said: Go to a massage therapist!! I am a certified / licenses Massage Therapist and have helped many clients with frozen shoulder. It is not comfortable and will take a several visits but in the long run will save you $ and time.
Good Luck!
I second the motion. If the medical field would use massage therapy more, fewer surgeries would be needed. See if you can find one who does "trigger point" and see how much better you will feel. Been there, done that. I am a retired therapist too.