Klaus A Hollmig, MD Specialist Specialty: Oncology Gender: Male Education and Certification Medical School: Rheinische Friederich Wilhelm Universitaet. Residency: University of Missouri. Fellowship: University of Alabama. Contact Information Practice Name: Compass Oncology Care Locations Primary Address Legacy Emanuel Medical Center 2801 N. Gantenbein Portland, OR, 97227 Phone: 503-413-2200 Secondary Address Compass Oncology 265 N Broadway Portland, OR, 97227 Phone: 503 280-1223 Fax: 503 280-5252 Secondary Address Compass Oncology 1111 NE 99th Ave Ste 103 Portland, OR, 97220 Phone: 503.239.7767 Fax: 503 215-6897