Pain in neck shoulder blade pinched nerve, what is beneficial for it?

Non-surgical . Non surgical treatment should always be considered when treating pinched nerves. As dr. Wilner points out, there are multiple modalities to trial. It sounds as if you may have a pinched nerve at c6-7 and an MRI of your cervical spine might be beneficial.
Conservative Rx. Depends on whether you have nerve pinched in neck causing shoulder blade pain or nerve to the shoulder blade being injured but in general pt with modalities to address nerve pain, medications for pain, including those that treat nerve pain, and sometimes other therapies like e-stim, microcurrent, pulsed magnetic stimulation and others are helpful, and sometimes injections by interventional pain sp.