What exactly is Pay 2 Patient Behavioral Health Collections? Many addiction treatment centers and drug detox's treat patients to find out the insurance carrier makes payment directly to their clients. Out of Network reimbursement is usually higher than in-network rates. Reimbursement for OON (out of network) services may be on a UCR ( usual customary and reasonable” basis) There is no legal requirement OON providers be reimbursed at UCR rate. Rates can be tied to lower Medicare rates for instance or even less. Because an OON provider lacks a reimbursement contract with the carrier patients are responsible for paying the balance of whatever is left owing after the carrier pays its share. Marketing performed by Behavioral Health Resources.