Oregon Revised Statutes Mortgages and Liens § 87.560

(a) For hospitalization and treatment from a physician, physician assistant or nurse practitioner rendered after a settlement has been effected by or on behalf of the party causing the injury;

(b) Against any sum for necessary attorney fees, costs and expenses incurred by the injured party in securing a settlement, compromise, award or judgment; or

(c) For an amount payable for medical services under a policy that provides personal injury protection coverage provided to an injured person prior to a hospital, physician, physician assistant or nurse practitioner perfecting a lien under ORS 87.565 (2).