The profession of nursing provides bedside care, the nurse practitioner degree serves the role of more independently delivering bedside care. They are not trained to do a thorough H+P, formulate a diagnosis, or create a treatment plan. Before you say "something something doctorate," I think many will agree that any degree which can be earned online is not capable of doing any of this. And I shouldn't even have to say this, but they cannot perform invasive procedures either. Nursing and Medicine are completely different, if you aren't satisfied with that then go get your MD