Doctor
- Full Name: EMH Program AK-1 Diagnostic and Surgical Subroutine
- Also known as: Doctor
- Species: EMH Mark I
- Gender: Male-presenting
- By January 2371: Installed on USS Voyager (VOY: "Relativity")
- By July 2371: Chief medical officer, Starfleet; USS Voyager (VOY: "Eye of the Needle")
- Official assignment occurred at some point between "Parallax" and "Eye of the Needle"
- Transition from virtual intelligence to artificial intelligence occurred at some indeterminate point in first two years of mission in Delta Quadrant
- January 2378: Granted Federation citizenship (Novel: Articles of the Federation)
- Early 2378: Member, unnamed civilian Federation think tank (VOY Novel: Homecoming, The Farther Shore; Novel: Articles of the Federation)