(a) Any entity, other than a health care worker, that makes or causes to be made a referral prohibited under Section 20 of this Act or presents or causes to be presented a bill or claim for service that the entity knows or should know is prohibited by Section 20 of this Act, shall be subject to a civil penalty of no more than $20,000 for each referral, bill, or claim.
     (b) Any violation of this Act by a health care worker shall constitute grounds for disciplinary action by the applicable board or committee.