Can you help please help me understand how the role of diversity plays in the healthcare arena?

Can you help please help me understand how the role of diversity plays in the healthcare arena? Can you please guide me in the right direction of knowing how to design an diversity awareness plan. What are some of the main areas of concern that a Manager prepare for in regards to ADA/ EEOC regulations? What are some examples of the benefits to having a diversity plan set up for your organization?