It’s an MD. The consonant "M" begins with a vowel sound. Since we normally pronounce the abbreviation MD as separate letters, we use the article "an".

It’s an MD. Remember, the consonant "M" begins with a vowel sound. Since we normally pronounce the abbreviation MD as separate letters, we use the article "an".

An MD degree is typically obtained in medical school.

The choice between "a" and "an" is determined by pronunciation, not spelling.

Alice is an MD, not a psychologist.

The study program for an MD degree usually combines academic training with advanced clinical experience and practice.

Follow the same practice of using the article "an" to say "an M", "an MBA" (Master of Business Administration), "an MIT" (Massachusetts Institute of Technology), or "an MRT" (Mass Rapid Transit).

She is an MIT professor.