Index 2007: Coverage by health plan
Aetna -
CIGNA -
Health Care Services Corp. -
Health Net -
Highmark -
Humana -
Kaiser Permanente -
Oxford -
PacifiCare -
Regence -
United -
WellPoint -
2006 -
2008
Aetna Inc. 2007
Aetna, based in Hartford, Conn., is one of the nation's largest health insurers, with operations in all 50 states. Aetna has converted from a general insurance to health insurance only, in part thanks to acquisitions such as U.S. Healthcare and Prudential's health unit in the Northeast and NYLCare's operations in Texas.
Last year's coverage - Back to top
CIGNA Health Care 2007
CIGNA, based in Philadelphia, is a rarity -- a health insurer that is involved in other kinds of insurance as well. CIGNA is strongest in the Northeast and West. It's the third-largest private health insurer in the nation.
Last year's coverage - Back to top
Health Care Service Corp. 2007
The Chicago-based company owns Blue Cross Blue Shield-affiliated plans in Illinois, Texas and New Mexico.
Last year's coverage - Back to top
Health Net 2007
The Woodland Hills, Calif.-based company operates health plans in the West and Northeast.
Last year's coverage - Back to top
Highmark 2007
Highmark, based in Pittsburgh, runs Blues plans in western Pennsylvania.
Last year's coverage - Back to top
Humana Inc. 2007
Humana, based in Louisville, Ky., once was a for-profit hospital company before jettisoning that business in favor of insurance. It is particularly strong in the South.
Last year's coverage - Back to top
Kaiser Permanente 2007
Kaiser Foundation Health Plans, based in Oakland, Calif., have among the last of the staff-model HMOs. The company runs physician groups, hospitals and health plans in 11 Western, Midwestern and Southeastern states, plus Washington, D.C. It's the largest nonprofit HMO in the country.
Last year's coverage - Back to top
Oxford Health Plans 2007
The Connecticut-based company operates health plans mostly in the Northeast.
Last year's coverage - Back to top
PacifiCare Health Systems 2007
PacifiCare, based in Santa Ana, Calif., runs private health plans mostly in the West and Southwest. It jumped into Medicare managed care further than most plans, and as a result the company has had some financial struggles.
Last year's coverage - Back to top
The Regence Group 2007
The Portland, Ore.-based company owns Blue Cross Blue Shield-affiliated plans in Oregon, Washington, Idaho and Utah.
Last year's coverage - Back to top
UnitedHealth Group 2007
UnitedHealth Group, based in Minnetonka, Minn., runs its health plans under its UnitedHealthcare subsidiary. Its presence is strongest in the Midwest and South; it is the nation's second largest private health insurer.
Last year's coverage - Back to top
WellPoint-Anthem 2007
WellPoint Health Services, based in Woodland Hills, Calif., is the nation's largest managed care company and the largest owner of Blue Cross Blue Shield-affiliated plans; Indianapolis-based Anthem Inc. is one of the largest operators of Blue Cross Blue Shield plans. The companies were scheduled to complete a merger in summer 2004 creating the largest private health plan in the country, called WellPoint and based in Indianapolis.
Last year's coverage - Back to top
Last year's index
 Doctors generally are barred from referring patients to entities in which they have a financial stake.
Read more
|
Copyright 2007 American Medical Association. All rights reserved.
