A nonprofit organization that contracts with and acquires the clinical and business assets of physician practices is called a(n):

A nonprofit organization that contracts with and acquires the clinical and business assets of physician practices is accurately described as a medical foundation. Medical foundations typically focus on enhancing the quality of care provided to patients while maintaining a cost-effective practice environment. They operate as subsidiaries of larger health systems or independently but are dedicated to the mission of providing medical services.

Medical foundations often play a crucial role in creating alignment between the interests of physicians and health care systems. By acquiring practices and their assets, these organizations can streamline operations and optimize resource allocation, ultimately benefiting patient care and ensuring compliance with healthcare regulations.

In contrast, a management service organization (MSO) primarily provides administrative and support services to healthcare practices without directly acquiring their clinical and business assets. A group practice without walls consists of autonomous physicians who collaborate to provide patient care but maintain their separate practices. An integrated delivery system (IDS) is a broader network that includes various healthcare providers and facilities working together, which usually extends beyond just physician practices. These distinctions underline why the correct answer is the medical foundation, as it specifically captures the essence of the organization's role in acquiring and managing clinical and business assets within the healthcare landscape.