2) I'd definitely make that possibility more visible in any marketing.
3) Again, I'd make that a bit more visible in any marketing. (As a single person, if I'm going to have to schlep myself to the pharmacy, I might as well start at the clinic that's in the same building. So, I'm clearly not your targetmarket on this point.)
Emergency care is what you are describing. Urgent care, while urgent, doesn't have the same immediacy. This replaces what gets done in an urgent care facility.
Not right out of the gate since I'd have a hard time trusting the 3rd party. If the reputation of the company was good enough, I'd consider it, but not sure I'd get the value out of it since I call Comcast 1-2 a year.