Diagnostic & Treatment Center IDD Department (Intellectual & Developmental Disabilities) 1100 Coney Island Avenue, 2nd FL, Brooklyn, NY 11230 718-942-4944 718-841-7706 IDD@allhealthdtc.com Show Map Diagnostic & Treatment Center 1655 East 13th Street, Upper Level, Brooklyn, NY 11229 718-339-6300 718-339-3100 718-336-2084 Medical@allhealthdtc.com Show Map Diagnostic & Treatment Center Covid-19 Testng 1655 East 13th Street, Lower Level, Brooklyn, NY 11229 718-434-2100 718-336-2084 Medical@allhealthdtc.com Show Map By checking this box, you agree to receive text messages from Allhealth Diagnostic & Treatment Center. You may reply STOP to opt-out at any time. Reply HELP for assistance. Messages and data rates may apply. Message frequency will vary. Learn more on our Privacy Policy. Submit form