Nidhi Singh MD 70 Dubois St 5th Floor St Luke's Cornwall Hospital Dba Gateway Hospital Physic Newburgh, New York, Phone: 845-568-2827 Company: Montefiore St. Luke's Cornwall Doctor Category: Internal Medicine Profile Let this business know you found them on Hudson Valley's Online Directories. Locations Newburgh 70 Dubois St 5th Floor St Luke's Cornwall Hospital Dba Gateway Hospital Physic Newburgh, New York 12550-4825 Claim/Edit Listing