The word do means the same thing to a doctor that it means to anyone else.
Naturopathic Medical Doctor
it is "M.D." and means medical DOCTOR
M.D. is the degree (Doctor of Medicine) awarded to graduates of allopathic medical schools. Physicians or "Medical Doctors" can have either the M.D. or D.O. degree in the United States.
In Spanish it means masters of science, but in English countries it means master of surgery.
It could stand for Doctor of Optometry, or Doctor of Osteopath.
The medical acronym DFES stands for Doctors For Emergency Services. These doctors are the ones that arrive strictly for situations that show an immediate need for their assistance.
ddsd
Plastic Surgeon
The P.C. included in a Doctors name probably came after the name of the facility he works at and the P. C. stands for private corporation, meaning he owns the facility, or part of it.
LA Doctors
Medical Specialist
College of Gynaecology