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.
Customers who want to book a Lyft ride up to a day in advance would need to tap the clock icon to set the desired time for pickup. And riders can update or cancel their scheduled ride up to 30 minutes before the requested time.