Oregon Revised Statutes Occupations and Professions § 690.380

(1) A person who holds a license under ORS 690.350 to 690.410 shall notify the Health Licensing Office in writing of the regular address of the place or places where the person performs or intends to perform services in a field of practice and shall keep the license conspicuously posted in the place of business at all times.

(2) The office shall keep a record of the place or places of business of each person who holds a license.

(3) Any notice required to be given by the office to a person who holds a license may be given by mailing the notice to the address of the last place of business of which the person has notified the office.