Self-Service Portals Request For a Plan Request your updated benefits plan Web Portal Login Access to your claims information, and explanation of benefits (EOBs) is provided online. Please click here to login. Please call member service at 800-925-2272 for help. Prescription Drug Benefit Click the link below to access the Magellan website. Directory of Providers Contact information for Principal 401K, Meritain Health, Magellan Rx, United Health Care Vision, Guardian, United Benefit Fund.