This gets asked often enough I should know, but I don't....so email firstname.lastname@example.org and ask her.
In case someone else in the future has this same question...
She responded that the memberships are processed manually, and was kind enough to cc the membership department so they could respond via email.
BTW, glad ATE got ya to jump in!
Yeah, I figured you would be.
I know there are a million reasons to join the AHA, but Ask the Experts was really the tipping point for me. My thanks to everyone who worked to put that together.