I am pretty sure you just address it normally until the person is actually a doctor
Anybody who is a doctor.
He does not really have an address: He is nomadic.
The proper way to address a Doctor of Osteopathic Medicine (DO) (not Doctor of Osteopathy) is Doctor (Dr.) since they are medical physicians.
Yes, a doctor in psychology can be addressed as "Doctor" following their name, as they have earned a doctoral degree in the field of psychology.
Address on envelope to a doctor: Dr. John Doe is the general form.
i need to address a doctor this second
"Doctor"
Please take it as soon as your doctor says/allows.
as soon as you know
we will find out soon
he will die soon
See your doctor as soon as possible.