John Smith is the Doctors cover name. His real name is The Doctor, he chose it. If you were writing him a letter, I would say Dear Doctor.
The letter salutation is written as: Dear Doctor and Judge Smith. The envelope is written as: Doctor Adam Smith and the Honorable Eve Smith.
EdD indicates a doctorate degree. Proper salutaion would be "Dear Doctor xxxxx:"
The proper salutation to more than one doctor would be "Dear Doctors". A person can also list each doctor's last name after the word doctor. So if the names were Smith, Jones, and Arnold, the salutation would be "Dear Doctors, Smith, Jones, and Arnold".
Dear Smith's
You would say "Dear Doctors" you wouldn't put the apostrophe.
Dear General Smith, or Dear MG Smith,
The salutation is a from of greeting: Dear Mr. Smith: Dear Ms. Brown: Dear Professor Green: Dear Doctor Jones: Dear Professor Green and Ms. Brown: Dear Doctors Jones and Jacob: Dear Sir: Dear Madam: Dear Sir/Madam: Gentlemen: Ladies: Gentlemen and Ladies: To Whom It May Concern:
Dear Dr. Smith M.D.B.
there's no colon, a comma comes after mrs smith
It is common to address a note to a doctor as "Dear Dr. [Last Name]" as a sign of respect. If you have a more informal relationship with the doctor, you can simply use "Dr. [Last Name]" without the "Dear" at the beginning.
Dear Doctor was created on 2002-01-23.
When addressing a letter, there are a number of acceptable variations, including but not limited to: Addressing two men: Gentlemen (without dear); Dear Messrs. Smith and Jones; Dear Mr. Smith and Dr. Jones; Dear Prof. Smith and Mr. Jones. Addressing two women: Mesdames or Ladies (without dear); Dear Mses. Smith and Jones; Dear Prof. Smith and Ms. Jones; Dear Ms. Smith and Rev. Jones. Addressing a man and a woman: Dear Sir and Madam; Dear Mr. Smith and Dr. Jones; Dear Prof. Smith and Ms. Jones. Addressing a group of unknown or mixed gender: Gentlemen and Ladies (without dear). Source: The Gregg Reference Manual, Sixth Edition