Requires health care entities to obtain approval from Oregon Health Authority before any mergers, acquisitions or affiliations of entities that had $25 million or more in net patient revenue in preceding three fiscal years or before mergers, acquisitions or affiliations that will result in one entity having increase in net patient revenue of $1 million or more. Specifies procedures.

Requires Oregon Health Policy Board to establish criteria for approval of mergers, acquisitions and affiliations based on specified factors.