In this chapter, the following terms have the meanings indicated. Terms Defined. “CMS” means Centers for Medicare and Medicaid Services. “Department” means Maryland Department of Health. "Independent Diagnostic Testing Facility (IDTF)” means a fixed location or mobile entity independent of a hospital or physician’s office where diagnostic services are performed by licensed certified non-physician personnel under appropriate physician supervision. “Major medical equipment” means: All cardiac catheterization equipment necessary to perform heart catheterization; A computerized tomography (CT) scanner; A lithotriptor; Radiation therapy equipment, including a linear accelerator; and A Magnetic Resonance Imager (MRI). “Mammography” means the radiographic examination of the soft tissues of the breast. “Medically necessary” means medically necessary as defined in COMAR 10.09.36.01. “Medicare” means the insurance program administered by the federal government under Title XVIII of the Social Security Act, 42 U.S.C. §1395 et seq. “NPI” means National Provider Identifier. “Program" means the Maryland Medical Assistance Program.