General practitioner's office, located in the De Zandkoog multi-tenant building, Pontweg 106 in Den Burg. If you need GP care as a tourist, always call the following telephone number first: - On weekdays between 8:00 AM and 5:00 PM: 0031-222-338900. You will be referred to the correct GP practice. - In the evenings, at night, on weekends, and on public holidays: 0031-222-321143. You will be referred to the GP (emergency) clinic.