Welcome to OCCi

OCCi, Inc. is a group of research centers dedicated to the conduct of phase II-IV clinical trials. We specialize in Psychiatry, Neurology, and General Medicine. While we are locally-owned and operated, we continue to be recognized by pharmaceutical and biotechnology companies as being among the leading clinical trials sites nationwide.

How do I get started?

Call us or complete an online assessment to see if you may qualify for one of our research studies.

Frequently Enrolling Studies


About Us

Portland OCCI, Inc.
Outpatient Facility
905 SE 14th Ave
Portland, OR 97214
Salem OCCI, Inc.
Outpatient & Inpatient Facility
702 Church Street NE
Salem, Oregon 97301
Eugene OCCI, Inc.
Corporate Office
572 W. 11th Avenue
Eugene, OR 97401