300 Longwood Avenue Boston, MA 02115 (617) 355-6000 Clinical Services (Cardiomyopathy Program): Contact Us To talk to one of our physician representatives, please call 617-355-6329 or e-mail Sarah Matson, RN. To talk to one of our nurses, please call 617-355-4256 or e-mail Sarah Matson, RN. For general administrative questions, please call 617-355-6329. Locations Address Contact Boston Cardiomyopathy Program 300 Longwood Avenue Boston, MA 02115 617-355-6329 Request an Appointment The information on this website should not be taken as medical advice, which can only be given to you by your personal health care professional. Copyright © Children's Hospital Boston. All rights reserved.