I'm finishing my PS now and going to start bugging attendings for LORs. Does anyone know how that works?
No need to start "bugging" them right away. You get your first wave of interview offers the week or two after you turn in your ERAS (hopefully in September). Then it slows to a trickle. And then you get the second wave of interview offers after the Dean's Letter is released in November. It is possible that a shining letter from a famous department chair could prompt an interview offer, but my experience and the experiences of my classmates suggest that, really, programs are just waiting on the ERAS or the Dean's Letter to pull the initial trigger. The rest of your interview offers will trickle in after the Dean's Letter, as other candidates start canceling their interviews once they get a better sense for how many interviews they need to actually attend in order to have a reasonable shot at matching.
So, it would be reasonable to provide your attending with your materials (described by the previous poster) maybe 4-6 weeks in advance of when you want your letter to be turned in. At the time, tell your attending "I don't need the letter now, but I wanted to give you all the materials so that you can plan around your grant applications / weeks you will be on service / vacations. Would you be able to have the letter mailed to my student dean by September 15?" Once you agree on an approximate date, let the attending know you will send her a reminder. "If it's okay with you, I'd like to send you a reminder e-mail/page/call about 10 days before then." The reminder is important, because many attendings will just shove your materials in a drawer and forget about them until they get your second e-mail. And it is important to tell them up front that you plan on sending them a reminder, because when they do get your reminder phone call, they will be less likely to perceive that you are "bugging" them. ("Oh yeah.
musm2008 did tell me that he would be calling me to remind me about it.") In this respect, the reminder e-mail works quite well, because when the time comes, you can just hit "Reply-To" on the original request you sent, and that in itself will remind them that you had informed them four weeks ago that you would be reminding them today. I promise to never again type out a sentence as convoluted as the previous.
All but one of my attendings liked this process. (The one who didn't like it was an extremely busy -- and forgetful -- person. "If you give this stuff to me now, I'm just going to lose it. Can you just give it to me the week before you need it? And I'll make sure to get it in that week.")
-AT.