Blackstone Valley Family Physicians. 100 Commerce Drive. Northbridge, MA 01534. Phone: 508-234-6311 Fax: 508-234-4215. View map of this location. M-Th: 7:30am - 8pm F: 7:30am - 5pm S-Su: Closed - Closed Please note that while we are open for patient visits during the hours listed above, our phones may be covered by our answering service for the first and last half-hours of our business day..