The 1973 HMO legislation addressed concerns primarily over what issues?

The 1973 HMO legislation was primarily designed to address the issues associated with rising healthcare costs, particularly relating to Medicare expenditures and the quality of care provided. This legislation aimed to promote the establishment of Health Maintenance Organizations (HMOs) as a method to manage and control these costs. It was thought that HMOs could potentially provide more coordinated and preventive care, thus enhancing the quality of care while reducing the financial burden on the Medicare system.

By encouraging the growth of HMOs, the legislation sought to create a healthcare delivery model that would limit unnecessary medical procedures and focus on prevention, ultimately influencing both costs and quality. This was a significant shift in policy as it recognized the complexities of managing healthcare expenditures while ensuring patient care standards were maintained.

While the other options touch on relevant aspects of healthcare, they do not capture the primary focus of the 1973 HMO legislation as clearly as the issue of increased Medicare expenditures and quality of care. Addressing workforce shortages, administrative costs, or patient satisfaction rates were not the central aims of this specific legislative effort.