The physician to the president is the formal and official title of the physician who the president of the United States chooses to be their personal physician. Often, the physician to the president also serves as the director of the White House Medical Unit, a unit of the White House Military Office responsible for the medical needs of the president of the United States, vice president, White House staff, and visitors. The physician to the president is also the chief White House physician.

The White House Medical Unit (WHMU) is a unit of the White House Military Office and is responsible for the medical needs of White House staff and visitors. The unit also provides medical care to the president, the vice president, their families, and international dignitaries visiting the White House.