Etiquette dictates that the spouse with the professional title is always listed first. If the woman is a doctor, but her husband is not, write: Dr. Sarah Johnson and Mr. James Johnson. If they have...
He is a doctor by profession. If this is a social matter then Mr and Mrs will suffice .
Dr. and Mrs., or Dr. and Mr are equally appropiate . Most doctors work hard for the privilege of the...
You can address your letter in two ways:
Drs. Paul & Marion Jones
or
Dr. Paul Jones & Dr. Marion Jones.
I feel the first one is more acceptable and I do this myself.