GET DIRECTIONS for South Lawrence Location: Riverwalk, 290 Merrimack Street, Lawrence, MA 01843 Phone: 978-682-5500 Fax: 978-682-5005GET DIRECTIONS for Tewksbury Location: 1555 Main Street, Suite 203, Tewksbury, MA 01876 Phone: 978-851-5300 Fax: 978-851-5335