Active physician in the U.S.
Both federal and nonfederal physicians licensed by a state and working at least 20 hours a week are considered active. There is a large variety among practicing physicians in the United States based on specialties. There are about 84,668 people per physician practicing interventional cardiology and about 1,479 people per pediatrician. Overall, there are 365 people per physician of all specialties.
There are also gross differences between practicing physicians based on specialty and both age group and gender. Nearly 92 percent of physicians practicing neurological surgery are males, and a 57 percent of physicians practicing obstetrics and gynecology are women. Overall, women make up about 35 percent of all physicians. Some 91 percent of physicians practicing internal medicine/pediatrics as well as 88 percent of doctors practicing interventional cardiology were under the age of 55.
More than half of the doctors practicing geriatric medicine in the United States obtained their medical education internationally. This includes outside of the United States, Puerto Rico, and Canada. To be able to practice in the United States, these doctors must be certified by the Educational Commission for Foreign Medical Graduate and complete a residency within the United States.