A survey of 50,273 practicing physicians in New York State gathered data on demographic characteristics, medical education characteristics, practice setting characteristics, and specialty practice characteristics. Highlights of survey findings include: (1) physicians are distinctively male (78 percent) and white (76 percent); (2) minority respondents included Asian (17 percent of all physicians), Black (4 percent), Hispanic (4 percent), and Native American (0.2 percent); (3) the mean age was 47, and nearly two-thirds were under age 50; (4) 51 percent were practicing in the 5 boroughs of New York City; (5) 72 percent were U.S. citizens; (6) 52 percent were New York State medical graduates; (7) 41 percent of New York State medical school graduates practiced in New York State while 23 percent practiced in another state and 35 percent practiced in another country; (8) solo practitioner practices amounted to 32 percent, with group practice comprising 21 percent and hospital staff comprising 19 percent; (9) the largest principal specialty was general internal medicine, followed by psychiatry, general pediatrics, family practice, obstetrics and gynecology, and general surgery; (10) over two-thirds were American Board certified; and (11) the majority of physicians in most specialties received their medical education in the United States but the majority of physicians in general practice or physical medicine graduated from foreign medical schools. Appendixes provide a copy of the survey instrument and a map of New York State regents regions. (JDD)