Looks like they may be looking for the availabilty of doctors in an area. If a shortage they may just use doctors set in place by the gov't. Lets not forget section 5210 of the health care law. I do not see mention of this in the MSM news articles.
http://www.politico.com/news/stories/0611/57824.html
An old article I pulled from my blog about sec 5210.
Sec. 5201. Federally supported student loan funds.
Sec. 5202. Nursing student loan program.
Sec. 5203. Health care workforce loan repayment programs.
Sec. 5204. Public health workforce recruitment and retention programs.
Sec. 5205. Allied health workforce recruitment and retention programs.
Sec. 5206. Grants for State and local programs.
Sec. 5207. Funding for National Health Service Corps.
Sec. 5208. Nurse-managed health clinics.
Sec. 5209. Elimination of cap on commissioned corps.
Sec. 5210. Establishing a Ready Reserve Corps.
Subtitle D