Back to Harvard Pilgrim Health Care Commercial Provider ManualeServices & Online SolutionsHarvard Pilgrim Health Care Commercial Provider Manual HPHConnect HPHConnect Overview HPHConnect Technical Requirements HPHConnect User Role Information HPHConnect User Agreement HPHConnect Account Revalidation Information Sharing Agreement HPHConnect Registration Packet Manual Topics Manual Topics Appeals Billing & Reimbursement eServices & Online Solutions Member Care Network Operations & Care Delivery Management Referral, Notification & Authorization