(a)(1) OWCP pays for drugs prescribed by physicians by multiplying a percentage of the average wholesale price, or other baseline price as specified by OWCP, of the medication by the quantity or amount provided, plus a dispensing fee.

(2) All prescription medications identified by National Drug Code are assigned an average wholesale price representing the product's nationally recognized wholesale price as determined by surveys of manufacturers and wholesalers, or another baseline price designated by OWCP.

(3) OWCP may establish the dispensing fee.

(b) If the pricing formula described in paragraph (a) of this section is inapplicable, OWCP may make payment based on other pricing formulas utilized by OWCP for prescription medications.

(c) OWCP may, in its discretion, contract for or require the use of specific providers for certain medications. OWCP also may require the use of generic equivalents of prescribed medications where they are available.