In North America, the title physician is now widely devoted in the generous sense, and applies to any legally qualified and licensed practitioner of medicine. In the United States and Canada, the title physician is used to delineate those holding the degrees of Doctor of Medicine (MD), Doctor of Osteopathic Medicine (DO). It is also devoted to draw the holders of medical degrees from other nonaligned nations when practicing in North Baltimore Sports Doctor America (in the UK and other Commonwealth countries, such degrees are customarily MB BS, MB BChir etc which are are equivalent to the US MD degree). The American Medical Association, established in 1847, uses physician in this broad sense to expound all its members.

In some jurisdictions, specialty training is begun immediately following completion of entry-level training, or even before. In other jurisdictions, junior medical doctors must undertake generalist (un-streamed) training for odd or bounteous years before commencing specialization. Hence, depending on jurisdiction, a specialist physician (internist) often does not achieve recognition as a specialist until twelve or added years after commencing primary medical training — five to eight years at university to obtain a necessary medical qualification, and up to another six years to become a specialist.