If you make an appointment ahead of time, you could be in and out in just about 20 minutes ( or less ).
They recently added touch screen, self-check in tablets by the front desk. The receptionists are also very helpful when they are not busy.
Plenty of parking, decent bathrooms.
The Quest Diagnostics sign is easy to miss. For orientation purposes, their building sits next block EAST of the Desert Spring Hospital Medical Center, along Burnham.