7:00 AM - 9:00 PM. Thursday: 7:00 AM - 5:00 PM. Friday: 7:00 AM - 5:00 PM. Saturday: 7:00 AM - 11:00 AM. Vanguard Medical Group provides comprehensive primary care in Cranford, NJ. Our staff of primary care experts utilize evidence-based methods of treatment to help diagnose and treat minor, acute, and chronic health conditions..