Oregon Revised Statutes Education and Culture § 350.355

(1) Subject to ORS 352.237 and any group health and welfare insurance benefit plan developed under ORS 352.237, a part-time faculty member at a public institution of higher education is eligible for the same health care benefits as full-time faculty members if the part-time faculty member is eligible for membership in the Public Employees Retirement System or another plan authorized under ORS chapter 238 or 238A by teaching either at a single public institution of higher education or in aggregate at multiple public institutions of higher education during the prior year.

(2) A part-time faculty member at a public institution of higher education shall pay all insurance premiums for health care benefits unless otherwise provided for by the policy of the institution or by collective bargaining at the institution.