Newton Wellesley Hospital 2014 Washington St, Newton, MA02462 Newton Wellesley Hospital (NWH) is a large scale hospital. It has a 24-hour emergency room, a cancer treatment…More center and a full laboratory for testing. The hospital is one of the western suburbs' most comprehensive medical facilities. NWH is a teaching hospital and will not deny care based on one's ability to pay. Medical offices are also located in the building for most specialties. Most insurances are accepted by NWH. A parking garage is available and only accepts cash or check.