Or. Admin. R. 436-008-0025 – Electronic Medical Bill Payments

(1) Insurers that accept and process a complete electronic bill for services, under OAR 436-008-0010(1)(a) or (b), must pay for treatment related to the injury or disease, provided or authorized by the treating health care provider, on accepted claims within 14 days of any action causing the service to be payable, or within 45 days of receipt of the electronic bill, whichever is later.
(2) If an insurer requires additional information before a payment decision can be made, a request for this information must be made to the medical provider within 20 days of receipt of the bill.
(3) The insurer must provide an explanation (EOB) of services being paid or denied.

ORS 656.252, 656.254 & 656.726(4)

ORS 656.252 & 656.254