Healthcare Eligibility Services, or H.E.S., is an eligibility company that serves hospitals. It specializes in Medi-Cal eligibility, SSI, fair hearing processing, PRUCOL application and DED presumptive eligibility applications. It offers an array of specialized programs, including the Genetically Handicapped Persons Program (GHPP), Prostate Cancer Treatment Program (IMPACT), Breast & Cervical Cancer Treatment Program (BCCTP) and California Children Services (CCS). It is family owned and operated.