Consumer Reports does just this. Here are the rankings for Maryland health insurance providers: (1) Aetna, (2)CareFirst Blue Choice, (3) CIGNA HealthCare Mid-Atlantic, (4) Coventry, (5) Employer Health Programs, (6) Kaiser, (7) MD – Individual Practice Association, (8) Optimum Choice, (9) Uniformed Services Family Health Plan, and (10) UnitedHealthcare.
You can find the list here. If you are a member of Consumer Reports, you are allowed to see… well, just that, this list. You have to add to your membership ConsumerReportsHealth.org which provides the rankings for consumer satisfaction, prevention, and treatment.