Contact 24 hours a day, 7 days a week Reservations and Information: Toll Free: 800.856.9994 FAX: 562.906.2947 For Fraud, Waste and Abuse: 855.956.9638 Download the Reporting Medicare Non-Compliance and Fraud, Waste or Abuse Flyer. Corporate Headquarters: 12800 Center Court Drive S Suite 120 Cerritos, CA 90703