MyChart Patient Portal. Harbor Health has a new patient portal called MyChart! You can check lab results, request refills, and more all through MyChart. Read More. ... Harbor Community Health Center - Hyannis (508) 778-5420. Ellen Jones Community Dental Center - Dennis (508) 778-5400. Harbor Health Services TTY Line (617) 533-2264.Patient Portal‧Careers‧Contact‧Find a Provider‧Patient Information‧Locations.