How is strategic planning and implementation used in healthcare systems to define and improve weaknesses identified in a healthcare setting?

 How is strategic planning and implementation used in healthcare systems to define and improve weaknesses identified in a healthcare setting? What type of corporate-level, divisional-level, organizational-level, and unit-level strategies should be used to address a specified weakness such as a lack of healthcare professionals/ providers or the need to expand services? 

Response must be at least 3 paragraphs.