Dr . Paul Ellwood had suggested these measures to the Nixon Administration in to bring a positive transformation in the US Healthcare System . In the 1980 , 1990 , and the first-decade of the 21st century , the HMO industry began to grow (TMCI , 1998 . The managed care approach adopts a consumer-driven method to provide healthcare services . Some people feel that this consumer-driven approach may be just a small modification of the regular practice system , rather than a revolutionary method . People feel that if...











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