McGrath Medical Group. 117 Water Street. Milford, MA 01757. Phone: 508-478-4500 Fax: 508-478-5235. View map of this location. M-F: 8am - 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..