Metro: Nieuwmarkt metro station is a 3 minute walk to the clinic. Waterlooplien is a 5 minute walk.
Train: Central Station is a 10 minute walk to the clinic.
Park + Ride: The P+R at the RAI and Zeeburg are the best options for parking and public transport for just €1. From the RAI you take the metro to Niewmarkt. Zeeburg you take the metro to Central station and the clinic is a short walk from both.
Parking garage: Waterlooplien Q park garage is a 5 minute walk. (Easiest option but probably the most expensive)
Parking on the street: Little difficult. There is not always a parking space availbable, so you are taking a chance.