Medical transcriptionists held about 105,200 jobs in 2008. About 36 percent worked in hospitals and another 23 percent worked in offices of physicians. Others worked for business support services; medical and diagnostic laboratories; outpatient care centers; offices of physical, occupational, and speech therapists; and offices of audiologists.
Source: U.S. Department of Labor, Occupational Outlook Handbook, 2010-11 Edition