I thought I would post some useful info re: NHSC. I applied and got it prior to my first year of med school. The way the process works is they usually receive 2000-3000 mail applications nationwide. Remember this is open to MD, DO, Nurse Practitioner's and Midwives, so pretty competitive.
Of those mail applications, they give 800+ in person interviews at various cities around the US, mainly big cities (in CA, there was only LA and SF). I chose to do my interview in Los Angeles, but you get to choose the location once you get your letter letting you know that you advance to the next round of elimination. My suggestion is to call right away because dates fill up. You'll get a letter late April/May letting you know about the interviews.
Ok, of those 800 interviews, they usually award about 330 scholarships. Surprisingly, more than half the scholarships go to DO students, mainly because of their track record in going into primary care!
Once you find out whether or not you got the scholarship, usually in November, you have a week or so to decide. You can opt to receive the scholarship for a minimum of 2 yrs. So for those not sure about primary care, it's only a 2 yr commitment, but it is their hope that you will stay in that rural/urban area. If you are unsure about location, check out their website and see where sites are located, but remember these sites change from year to year depending on the needs of the medically underserved.
I had sumbitted this on a previous thread. But you won't find out re: interviews until May. Good luck