If you have an emergency and it is after hours, the closest emergency facility to Northboro is Tufts University in North Grafton, MA. Tufts is an Emergency facility open 24 hours a day/7 days a week. The phone number is 508-839-5395.
There is also a 24 hour emergency VCA facility in Weymouth, MA. VCA Southshore is also open 7 days a week. The phone number for VCA Southshore is 781-337-6622.
All other non-emergency situations can leave a general voice-mail for the office, which will be returned the following morning.