Directly from the American Medical Association (AMA), the 2010 edition contains the most accurate and complete source of statistical data about the physician supply in the United States. With information on more than 954,000 physicians, this new edition provides extensive data on trends, characteristics and distribution, and an all-inclusive chapter containing valuable information on more than 62,000 doctors of osteopathy. Additional summary and detailed tables include physician information on analysis of professional activity by self-designated specialty and geographical region, and primary care specialties.

All data are derived from the AMA Physician Masterfile, which obtains data from primary sources only. These sources include medical schools, hospitals, medical societies, the National Board of Medical Examiners, state licensing agencies and many others. The stringent verification process is unique and one of the most thorough in the industry.