140 Lincoln Avenue Haverhill, MA 01830 Main: 978-374-2000 Scheduling: 978-521-8121 Department Contact Information. Nursing Operations: 978-521-8140 Adult Behavioral Medicine Center: 978-521-8360 Ambulatory Care Center: 978-521-8200 Billing Concerns and Questions: 833-965-1616 Diagnostic Imaging: 978-521-8565 Critical Care: 978-521-1158 Emergency Department: 978-521-8600 for information only..