Valley Medical Group. ... ColigoCare is a network of physicians working collectively to provide the highest quality care to patients and the community. Appointments Schedule Online. Location(s) Locate. 40.8602603, -74.166521. VMG - Internal Medicine - Clifton. 1111 Clifton Avenue Suite 204 Clifton, NJ 07013 Phone: 973-779-9500 Fax: 973-779-8900.