A method for consistent processing of pharmacy data. An order for a prescription is transmitted from a healthcare facility to a pharmacy. The pharmacy transmits a claim relating to the order from the pharmacy to a processing center. The processing center reviews the claim according to predetermined claim criteria and either accepts the claim if it conforms to the claim criteria or rejects the claim if it does not conform to the claim criteria. The processing center transmits one of an approval notification and a rejection notification to the pharmacy. For rejected claims, the processing center transmits at least one basis for the rejection to the pharmacy. The pharmacy corrects the non-conforming portion of the claim, then transmits the corrected claim to the processing center. The claim review and approval or rejection steps are then repeated until the claim conforms to the predetermined claim criteria.