While provider participation in managed care remains optional, managed care is now an integral part of US healthcare, and hearing care as a supplemental benefit continues to grow in private and public health plans. Part 1 (published in September) of this 3-part series was a primer on health insurance and managed care. In Part 2, we investigate the recent growth of managed care and the expansion of supplemental benefits such as dental, vision, and hearing care and common perceptions and criticisms of managed care among hearing healthcare providers.