such term in section 1861(aa)(5) of the Social Security Act ( 42 U.S.C. 1395x(aa)(5) ). (3) Physician The term physician has the meaning given such term in section 1861(r)(1) of the Social Security Act ( 42 U.S.C. 1395x(r)(1) ). (4) Primary care health professional The term primary care health professional means a physician or nurse practitioner who furnishes primary care services. (5) Primary care services The term primary care services has the meaning given such term in section 1842(i)(4) of the Social Security Act ( 42 U.S.C. 1395u(i)(4) ), but shall include such services furnished by a nurse practitioner as would otherwise be included if furnished by a physician.