Of the 860,917 physicians actively practicing in the United States in 2015, 67.1% hold an MD degree granted in the U.S., 24.3% are international medical graduates, and 7.6% hold a DO degree. The percentage of physicians that hold a DO degree varies by specialty, with the greatest representation in Family Medicine/General Practice (16.5% of general practitioners), Physical Medicine & Rehabilitation (13.8%), and Emergency Medicine (11.2%). IMG physicians are more likely to enter primary care specialties than US MD physicians. As of 2007, IMG physicians represented 36% of internal medicine physicians, 29% of anesthesiologists, 31.4% of psychiatrists, 28% of pediatricians, 17.8% of family physicians, 17.8% of OB/GYNs, 18.8% of radiologists and 20% of general surgeons.