According to 2007 data from the American Medical Association (AMA), 32 percent of physicians in patient care were in primary care, but not in a subspecialty of primary care.
Family medicine/general practice
Obstetrics and gynecology
A growing number of physicians are partners or wage-and-salary employees of group practices. Organized as clinics or as associations of physicians, medical groups can more easily afford expensive medical equipment, share support staff, and benefit from other business advantages.
According to the AMA, the New England and Middle Atlantic States have the highest ratios of physicians to population; the South Central and Mountain States have the lowest. Physicians tend to locate in urban areas, close to hospitals and education centers. AMA data showed that in 2007, about 75 percent of physicians in patient care were located in metropolitan areas while the remaining 25 percent were located in rural areas.
Source: U.S. Department of Labor, Occupational Outlook Handbook, 2010-11 Edition