It could stand for Doctor of Optometry abbreviated OD
They are also the initials of one of the most important people in the history of the Little Debbie snacks company, O.D. McKee.
Doctor of Podiatric Medicine
The letters behind a Doctor of Osteopathic Medicine's name are D.O.
Doctor of Philosophy
Fellow of the American College of Cardiology.
American Chiropractic Network
M.D. after a doctor's name stands for Doctor of Medicine.
It has nothing to do with medical qualifications, it merely shows the doctor is also a Justice of The Peace (Magistrate)
The letters DC mean that this doctor is a doctor of chiropractic, or chiropractor. These letters differentiate him/her from a doctor of medicine (MD) or doctor of dentistry (DDS) or doctor of osteopathy (DO), or doctor of podiatry (DPM), or doctor of phiosophy (PhD), etc.
osteologist
1) Member of the Royal College of General Practitioners 2) Member of the Royal College of Physicians (UK)
Historical postnominal signifying a licentiate of the Royal College of Physicians of Ireland and the Royal College of Surgeons in Ireland
DO stands for Doctor of Osteopathic Medicine.