General Chemistry Hematology: Electrolyte levels; ... To Make an Appointment. Call (631) 477-5121 Monday-Friday, 8am-3pm . Find A Doctor. Patient Portal. Map & Directions. Our Services. Patient & Visitor Information. Billing & Insurance. Directory. Give us a call (631) 477-1000. Stony Brook Eastern Long Island Hospital 201 Manor Place Greenport ....