| Category |
Number |
Revenue |
Annual payroll |
| Physicians’ offices | 218,970 | $339,666,441 | $47,252,810 |
| Outpatient care centers | 29,851 | $75,983,453 | $28,346,708 |
| Freestanding ambulatory surgical and emergency centers |
4,934 | $16,125,725 | $4,484,771 |
| Total ambulatory facilities | 545,075 | $679,187,401 | $276,448,280 |
| Specialty hospitals (except psychiatric and substance abuse hospitals) |
806 | $27,051,653 | $10,966,300 |
| Total hospitals | 6,529 | $707,003,478 | $264,844,224 |
Source: U.S. Census Bureau, Oct. 30, 2009, from 2007 Census survey.
