PA's and NP's will continue to increase their ranks. (More power to them).
Primary Care docs won't go away. The problem is us pre-docs wanna all live in population centers <75000.
Here's my story. I'm a surg tech. I make 3x as much for a two-day gig at a rural hospital than in the big city. I'm paid by the hospital and receive a check from the surgeon, but the hospital check alone is larger than my big city checks.
The ortho surgeon I scrub for leaves his big city practice, comes on down to a rural hospital with 2 ORs and operates (Knee-hip resurfacing, etc) He told me he make more in the small hospital than he makes fighting for market share in the big city. He made more than he ever has last year. The guys is an EXCELLENT surgeon and a fairly well-known name.
That rural hospital's general surgeon only works in that community and has a similar sweet set up. So does the hospital's 3 internists.
I often get these type of rural gigs and make a killing.
If Primary care docs want to make it, they will have to be flexible. The pool of sick people hasn't dried up. There's good money out in the boonies. It's flowing milk & honey out there!