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EXHIBIT 21
LIFEMARK CORPORATION
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SUBSIDIARIES OF THE REGISTRANT
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Subsidiary State of Incorporation or Organization Ownership %
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<S> <C> <C>
Arizona Health Concepts, Inc. Arizona 100%
Lifemark at Home, Inc Arizona 100%
Lifemark Care Connection, Inc. Delaware 100%
Lifemark Care Management, Inc. Delaware 100%
Lifemark Health Plan of Texas, LLC Texas 100%
Lifemark New York, Inc. Delaware 100%
Lifemark at Home New York, Inc. New York 100%
Lifemark of Texas, Inc. Texas 100%
MCS HP New York, LLC New York 100%
Ventana Health Systems, Inc. Arizona 100%
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