Looks like its a muscular pain towards your affected side shoulder blade muscle. In medical term it is called as medial border scapular muscle pain. It happens due to loss of cervical curve or else over use injury. But conformation can be done only from cervical x ray. If you want to avoid going to doctor in general I can suggest not to carry weight on same side shoulder as well not to sleep on it. Also avoid doing any thing which pains you on that shoulder as for example: doing over head activity must be painful. You can also use hot and cold pack frequently and regularly at home to reduce inflammation and produce healing effect at micro level in soft tissue which will also help you for some more pain relief. Also correct your work posture to suit your body need. At any time if you feel the pain is more in intensity as well has become more frequent then I suggest to visit orthopedic or physiotherapist and do needed test and plan for treatment as per that. Remember early detection and treatment will be more helpful. Because once if damage happens in disc that will be permanant or else only surgery a can correct it. Take care.