Biography & Education


"My first responsibility as an oncologist is to teach a patient and their family about their diagnosis of cancer, the natural history of the disease, how it is treated and the role of radiotherapy in their disease process. I explain how my treatment team will provide them not only first rate care, but also the compassion and support that all cancer patients deserve." – Stephen Bader, M.D.


Dr. Bader is associated with Providence Cancer Center.


Areas of expertise

Radiation oncology, brain tumors, breast cancer, gastrointestinal cancer, head and neck malignancies, lung cancer, prostate cancer

B.S., University of Washington, Seattle, 1980
M.D., University of Washington School of Medicine, Seattle, 1984
Internship, residency, internal medicine, New England Deaconess Hospital, Harvard Medical School, Boston, 1984-1987
Fellowship, chief resident, Joint Center for Radiation Therapy, Harvard Medical School, Boston, 1987-91
Board-certified Internal medicine Radiation oncology

Care Locations

9280 SE Sunnybrook Blvd.
Suite 100
Clackamas, OR 97015
Fax 503-513-3310
The Oregon Clinic-Radiation Oncology
4805 NE Glisan St.
Garden Level
Portland , OR 97213
Fax 503-215-6387