Ubers been making waves (and pissing off city governments) by letting you flag down fancy cars, so is it any surprise that one of its early engineers created another well come to you startup? Its called Pager, it just launched today in Manhattan, and it promises to bring doctors to your doorstep… for a price. First things first: after you install the Pager app, youre asked to set up a profile with a photo and store your credit card information.