Oregon Center for Clinical Investigations, Inc. (“OCCI”)

Click here to download site fact sheet

2 locations with diverse patient demographic:

905 SE 14th Ave, Portland, OR 97214 MAP

702 Church Street NE, Salem, Oregon 97301 MAP


Beal G. Essink, MD, D-ABPN, Double Board Certified in Psychiatry and Sleep Medicine. PI in Portland on phase II-IV outpatient psychiatry, pain and sleep trials. 180+ trials conducted since 2000.

Drissana T Tran, M.D., Board Eligible in Internal Medicine. 85+ studies.