|Theodore Roosevelt||During Presidency:||? Physician|
|William Taft||During Presidency:||? Physician|
|Woodrow Wilson||During Presidency:||Primary Physician|
|Woodrow Wilson||During Presidency:||Primary Family's Physician|
|Woodrow Wilson||After Presidency:||Primary Physician|
Grayson attended Mrs. Wilson in her final illness, was Wilson's go-between to the fiancee/wife that followed (Smith, pp. 21-22), and was the one who introduced Wilson to his future wife (Parks p.140).