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1. NATURE OF BUSINESS AND BASIS OF PRESENTATION (Tables) | 3 Months Ended
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Mar. 31, 2013
Nature Of Business And Basis Of Presentation Tables |
Service fee revenue |
|  | 2013 |  |  | 2012 |
Commercial Insurance |  | $ | 97,685 |  |  | $ | 91,745 |
Managed Care Capitated Payors |  |  | 22,583 |  |  |  | 21,626 |
Medicare |  |  | 35,713 |  |  |  | 34,077 |
Medicaid |  |  | 5,777 |  |  |  | 5,570 |
Other |  |  | 18,004 |  |  |  | 15,483 |
Service fee revenue, net of contractual allowances and discounts |  |  | 179,762 |  |  |  | 168,500 |
Provision for bad debts |  |  | (6,822 | ) |  |  | (6,484 | )
Net service fee revenue |  | $ | 172,940 |  |  | $ | 162,016 |

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