Patient Portal; Giving; Health Tips & News; Careers; Locations; Arnhold Emergency Department at New Milford Hospital; Search. Close. Search . Find a service, treatment or location. Search. Arnhold Emergency Department at New Milford Hospital. Emergency Departments. 21 Elm St. New Milford, CT 06776 (860) 210-5200 TTY (800) 842-9710. driving ....