VMG - Prospect Medical Valley Health System. Health (9 days ago) Patient Portals 1-800-VALLEY 1. I want to Prospect Medical.VMG - Prospect Medical. 201-444-4526. 301 Godwin Avenue Midland Park, NJ 07432.Fax: 201-301-1313 Get Directions. Valley Medical Group; The Valley Hospital Foundation; The Valley Hospital Auxiliary; The New Valley Hospital; Access..