Amazon.com description: Product Description: The HMO/PPO Directory is a comprehensive source that provides detailed information about Health Maintenance Organizations and Preferred Provider Organizations nationwide. This edition contains more information about the rapidly changing managed health care industry than ever before. Over 1,300 HMOs, PPOs and affiliated companies are listed, arranged alphabetically by state. Detailed listings include Key Contact Information, Prescription Drug Benefits, Enrollment, Geographic Areas Served, Affiliated Physicians & Hospitals, Federal Qualifications, Status, Year Founded, Managed Care Partners, Employer References, Fees & Payment Information and more. Plus, five years of historical information is included related to Revenues, Net Income, Medical Loss Ratios, Membership Enrollment and Number of Patient Complaints. Five easy-to-use, cross-referenced indexes will put this vast array of information at your fingertips immediately: HMO Index, PPO Index, Other Providers Index, Personnel Index and Enrollment Index. The HMO/PPO Directory provides the most comprehensive information on the most companies available on the market place today.