Abstract: The method and apparatus of this invention permit quality review by medical insurers of ambulatory patient care by gathering medical data on each and every ambulatory visit and by providing a unique data transmission system to timely and accurately report the data for analysis. Negotiable medical data drafts are provided to participating medical care providers, who are authorized to issue the draft to themselves and sign the draft at the conclusion of each patient's visit. In exchange for immediate partial payment for services rendered, the medical service provider is required to enter the requested medical data summarizinq the patient's visit on the data entry portions of the negotiable medical data draft. Deposit in its bank of the medical data draft by the medical care provider returns to the provider immediate cash and places the medical data in a transmission system designed and monitored for accurate and reliable handling.