In Canada UK and Irish medical certification is accepted. Most others are required to have additional, as set by the College of Physicians and Surgeons of their province, in addition to passing certification. Some overseas medical schools train for U. S.-Canada-UK-India certification, included are those like Tianjin in China, which teaches international attendees in English and to standards found in those countries.
In Alberta about 40% of rural physicians are foreign-trained, and on average have had more than four years of post-graduate training. In general, they are older, and tend to stay in rural practice longer than Canadian-trained physicians. The foreign-trained physicians are doing the job that Canadian doctors won't do.