MD PA stands for Medical Doctor, Professional Association. The Professional Association designation is a legal term used to describe a separate legal entity, much like an incorporated business.
Uber launches Scheduled Rides, so you can (finally) book a car in advance. users will be able to schedule a pickup anywhere from 30 minutes to 30 days in advance.
It's pretty easy. When you open your Uber app, you have the option of selecting Uber X or Uber Black. Both Uber's stage in a lot about half a mile away, so we are close, just outside the terminal, along the first exit off of 190. Securing a car should be instantaneous, or at least within five minutes. Sometimes there is traffic at the terminal so that might explain the delay for drivers getting to you.