Referring physician

1. Doctor who sends the patient for testing or treatment noted on the insurance claim when submitted by the physician performing the service. 2. When completing the CMS-1500, the referring physician’s complete name and degree is inserted in Block 17 and his or her national provider identifier (NPI) is placed in Block 17a of the paper claim form.

Regenstrief Institute

Internationally recognized informatics and health care research organization dedicated to the improvement of health through research that enhances the quality and cost-effectiveness of health care. The institute offers education and training opportunities in academic and research careers. It maintains the logical observation identifiers, names, and codes (LOINC) system that is being considered for use as part of the HIPAA claim attachments standard.

regional office (RO)

1. Social Security state office. 2. Centers for Medicare and Medicaid Services (CMS) has 10 ROs that work closely together with Medicare contractors in their assigned geographical areas on a day-to-day basis. Four of these ROs monitor network contractor performance, negotiate contractor budgets, distribute administrative monies to contractors, work with contractors when corrective actions are needed, and provide a variety of other liaison services to the contractors in their respective regions.