; and (2) was not grossly negligent. (b) Preemption This section preempts the laws of a State or any political subdivision of a State to the extent that such laws are inconsistent with this section, unless such laws provide greater protection from liability for a defendant. (c) Definitions In this section: (1) Physician The term physician has the meaning given such term by section 1861(r) of the Social Security Act. (2) Attending medical personnel The term attending medical personnel means an individual who is licensed to directly support a physician in furnishing medical services. . (b) Effective date The amendments made by this section shall apply to any claim filed to the extent that it is with respect to acts or omissions occurring after the date of the enactment of this Act.