Duane R Iverson IV, MD Primary Care Specialty: Internal Medicine Languages: English, Interpreters Available Gender: Male Education and Certification Medical School: Northwestern University Medical School. Residency: Oregon Health & Science University. Contact Information Practice Name: Cascade Physicians, PC Office Locations Primary Address Cascade Physicians, PC 2222 NW Lovejoy St, Ste 505 Portland, OR, 97210 Phone: 503 226-4091 Fax: 503 226-3539 Clinic Hours: Mon - Fri 8:00AM - 5:00PM Hospital Locations Primary Address Legacy Good Samaritan Medical Center 1015 NW 22nd Ave. Portland, OR, 97210 Phone: 503-413-7711 Toll-Free: 1-800-733-9959