Origin of National Doctors' Day. March 30th marks the annual observation of National Doctors Day. Browse through our collection of National Doctor’s Day wishes to husband, friends and family, wife, him, her etc. National Doctors’ Day is March 30. This day was established to recognize physicians, their work and their contributions to society and the community. While doctors love to diagnose and help alleviate your problems, they also want you to stay healthy too. The first observed Doctors’ Day occurred on March 30, 1933, exactly 91 years after Dr. Long’s remarkable discovery.