No such lien shall be effective unless a written notice setting forth the amount of all of the hospital‘s claims, the name of the injured person, the date of the accident and the name and location of the hospital shall be filed in the office of the clerk of the district court of the county in which such hospital is located, prior to the payment of any moneys to such injured person, such person’s attorneys or legal representatives, as compensation for such injuries. Such hospital shall also send, by registered or certified mail, a copy of such notice to such patient upon whom emergency medical or other service has been performed, if the address of such patient shall be known to the hospital or can with reasonable diligence be ascertained.