There's no question whether or not physicians have more clinical training than NPs; the better question is, "Does it matter?" I don't think anybody will know the answer to that question until we're neck-deep in this power struggle. It's funny that we rag on NPs, but I've worked with MDs who have also been incompetent despite their rigorous training and thousands of hours spent learning medicine. I look at some of my classmates and see the same issue brewing. Some just want to scrape by in medical school, and they don't care if they barely pass Step I/II because P=MD, amirite? We brought this upon ourselves, and unless future "studies" show that NP care is inadequate (doubt it), then we're going to lose this battle regardless of how much training we've had under our belt.
My personal opinion is that NPs can be competent, but the rate at which the schools are churning them out will severely dilute the quality of NPs and eventually compromise patient care. I know someone who is in NP school doing their courses online. It's a f***ing joke. Furthermore, all of the nurses I personally know (and grew up with) weren't exactly the sharpest crayons in the box in high school or college. Heck, even the nursing students I got *ahem* really familiar with are, on average, not that smart. On the other hand, almost everybody at my medical school was, at the very least, above average in undergrad and would outperform 99% of the nursing students on standardized exams, so I guess we got that going for us. Personally, I don't feel threatened, but I do feel bad for the PCPs who put in all of this time and effort to be good physicians and have that be belittled by nurse practitioners who want a piece of the pie. "My name is Doctor So-and-so, DNP." Give me a break. Our only hope is that some measurable outcome will disprove the notion that NPs can provide adequate care without physician oversight, but I don't think it will happen.