Insurance companies hate indemnity plans. Good HMO candidates: people who are young and in good health (especially those planning to marry and/or start a family); families with children; older people (who tend to see doctors frequently, who don''t want to physically travel to different specialists and who like one-stop shopping); and those on a tight budget are all bad HMO candidates: People who can''t or who are unwilling to give up medical relationships with doctors outside their HMO. Preferred provider organizations were established as a compromise between indemnity plans and HMOs. PPOs provide managed care but also meet consumer demand for control over whom you see and where you get your services.

In the traditional delivery model, where consumers were insurancecompanies able to choose any provider and have services covered, this type of inappropriate provider selection commonly occurred and escalated health care costs. The providers within managed care networks are frequently insurancecompanies evaluated by the organizations. The organizations look at appropriate use of resources and various quality indicators, including outcome measures. Physicians and other providers within managed care systems are often salaried as employees or reimbursed on a capitation method (flat fee paid per patient per year); therefore, their individual incomes are not directly influenced by the number of patients seen, tests ordered, or procedures performed.

Premature infants, who often did not survive 10 years ago, now may develop into normal children due to the specialized care available in newborn intensive care units across the nation. Many adults have been able to live longer, happier and more productive lives because of specialized surgical procedures (such as heart bypass, laparoscopic techniques, organ transplants, laser surgery, and so on); bioengineering machinery (such as artificial hearts, pacemakers, insulin pumps and so on); enhanced diagnostic procedures (such as ultrasound, CT scan, MRI, and insurancecompanies and insurancecompanies so on); improved medications (such as various vaccines, chemotherapy, prescription and nonprescription insurancecompanies drugs, and so on); and the knowledge, experience, and skills of a insurancecompanies wide range of health care providers.

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