How to contact PRA

Telephone numbers

We are available at the following times via our toll-free telephone numbers:
Monday to Thursday from 8.30 am to 8 pm
Friday from 8:30 AM to 5:00 PM
Saturday from 10 a.m. to 4 p.m.

You can reach us from Monday to Thursday from 8.30 a.m. to 8 p.m. and on Friday until 5 p.m. also via the Live Chat and WhatsApp.

Postal address

Antwoordnummer 693
9700 WB Groningen
The Netherlands

Groningen Research and Screening Center

Van Swietenlaan 6, 9728 NZ Groningen

When travelling by car, park in the parking garage of the Martini Hospital (paid parking).

City bus 9 or 10 from NS Main Station Groningen, get off at Schweitzerlaan bus stop. 

Utrecht Screening Center

YinYang building, Euclideslaan 1, 3584 BL Utrecht

When travelling by car, park at the parking of P+R De Uithof (paid parking). Then, take bus line 28, direction Vleuterweide.

Bus line 28 from Utrecht central station, in the direction of De Uithof P+R, get off at bus stop Rijnsweerd Noord.

PRA Offices

Paterswoldseweg 813, 9728 BM Groningen 

Bioanalytical Laboratory

Amerikaweg 18, 9407 TK Assen


Compliment, complaint or comment?

PRA continuously works on improving the experience of volunteers who stay in our research center and participate in research. Do you have a compliment, complaint or comment? Then please let us know via the contact form.