Oregon Revised Statutes Occupations and Professions § 686.020

(a) Practice veterinary medicine, surgery or dentistry, in this state unless the person holds a valid license issued by the Oregon State Veterinary Medical Examining Board and the license is not expired, revoked or suspended at the time of practice.

(b) Affix or append any letters to the name of the person, indicating a degree in medicine, such as V.S., V.D., D.V.S., M.D.C., D.M.C., D.V.M., or use the word doctor, veterinary, veterinarian, professor, animal doctor, animal surgeon, or any abbreviation or combination thereof of similar import in connection with the name of the person, or any trade name with which the person is interested, in the conduct of any occupation or profession pertaining to the diagnosis or treatment of animal diseases or conditions mentioned in this chapter, unless such person is legally entitled to use such designation.