The lien shall be filed with the clerk of the county or register of deeds and mortgages, as the case may be, and shall immediately attach to and become binding upon all real property in the ownership of the patient or other persons chargeable under said lien in the county wherein said lien is filed.
If it is believed that the patient or other persons chargeable under said lien are the owners of real property within the State, but the exact location of same is not known, then said liens may be filed with the clerk of the Superior Court and shall become binding upon all real property of the patient or other persons chargeable under said lien wherever situate within the State.
N.J.S. § 30:4-80.3