The boom in urgent care is noticable. The Urgent Care Association of America, an industry group, estimates that there are approximately 9,000 urgent care facilities nationwide, with at least 300 opening annually since 2008. About 55 percent are located in suburban areas. The bulk of the centers are run by doctors’ groups, corporations and hospitals. Why the surge in growth of urgent care walk in clinics?  Read the Stamford Advocate article where the growth spurt is examined