What is hhsc hawaii health systems corporation? Hawaii Health Systems Corporation Hawaii Health Systems Corporation (“HHSC”) provides accessible, high quality, cost-effective services that address the healthcare needs of Hawaii’s unique island communities. HHSC is the “Safety Net” for Neighbor Island Acute Care and for Long-Term Care (“LTC”) in the State of Hawaii.How do i contact memorial healthcare system customer service? To speak to a Memorial Healthcare System operator, please call 954-987-2000. For help with a MyChart portal issue, contact the Service Desk at 954-276-7676.How to contact centrastate healthcare system? Contact Us - CentraState Healthcare System Contact Centrastate Hospital to learn more about our services and locations. Call us at 732-431-2000. skip to main content News Give Volunteer Careers Contact 732-431-2000 Bill Pay Patient Portal Campus Map Home About Who We Are Foundation Governance Board of Trustees CentraState Management