If I think I have atypical depression but am too embarassed to go to a doctor what should I do?

Pick a nice psychiat. This is psychiatrists bread & butter--he or she will love 2see & help u.
Don't be embarrassed. Please don't be embarrassed. A physician is someone with whom you should feel comfortable in confiding any aspect of your health, mental or physical. Physicians are generally very professional and accept you for who you are; we don't judge your character, nor do we make judgements about you. We are here to help you tackle your most difficult issues.