EXECUTIVE SUMMARY: QUESTIONABLE BILLING FOR MEDICARE INDEPENDENT DIAGNOSTIC TESTING FACILITY SERVICES OEI-09-09-00380 WHY WE DID THIS STUDY Independent Diagnostic Testing Facilities (IDTF), a type of Medicare provider, offer diagnostic services and are independent of physicians’ offices or hospitals. IDTF services have historically been vulnerable to abuse. In 1997, the Office of Inspector General found that … Continue Reading