I have scheduled for a week before the interview, so I'm not done with medical yet. Will let you know. It's scheduled for 18th of May, doctors office advised me to schedule it a week prior.
Hey, you go there through register an appointment, choose "Appointment made by NVC", then visa type and etc. , I chose to pick up my passport at Weirtnicza and in the end it gives you a page with the bar code that u need to print.