Eh, no chip on my shoulder, although my shoulder does hurt after 12hr in the ED...(tension, typical for me). I was a primary care PA for 6 yr, got bored, moved to ED, not bored anymore, just tired and sore.
There are lots of studies that have been done and more being done all the time investigating this very question. A literature search on Medline with the terms "physician assistant", "nurse practitioner", "mid-level provider", "non-physician provider", "rural medicine", "undereserved area", "primary care", etc. will give you lots of hits. Most of these studies using quantitative measures have showed a positive impact on health care delivery when PAs, NPs, CNMs etc. are introduced into an underserved/health professional shortage area and thereby we continue to exist. There are still way too many places with no healthcare provider of any kind where the people who live there would probably be ecstatic to not drive 50 miles or more when they're sick or injured...and there are not enough physicians to fill all those (potential) jobs.
For at least a year a rural clinic in Fossil, Oregon has been trying to find someone, anyone, to come to work there. The nearest hospital that I know of is at least an hour away. It's a nice little clinic in a beautiful part of the state but there is next to no support network and any true emergency requires Life Flight. The pay also sucks because there's no money there. There are thousands of places just like this all over the US just waiting for someone to step into the job. The burnout factor is high and it's often difficult for highly educated people to live without the niceties we take for granted in more suburban places (restaurants, shopping, culture, other educated people to hobnob with, etc.)
I've worked in semi-rural family practice (pop. 28000). It was pleasant. I myself don't think I could go much less rural than that, but I'm glad I have colleagues who do.
So, are you gonna be one of 'em?
Lisa PA-C