Browse Health
Radiation Oncology, Radiologist, Oncology Specialist (cancer)
27 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Stephen Bader is Excellent. Dr. Bader has been reviewed by 4 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Stephen Bader, MD is board certified in Radiation Oncology.

  • He has special expertise in 5 areas:
  • Breast Cancer
  • Gastrointestinal Cancer
  • Lung Cancer
  • Prostate Cancer (Prostatic Neoplasm)
  • Radiation Oncology

Education & Awards

Dr. Bader graduated from University of Washington, Seattle. He has 2 awards.

Portland Monthly Magazine, "Top Doctors," 2009
Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Bader has 6 hospital affiliations:

  • Providence Portland Medical Center 
  • Providence Milwaukie Hospital 


  • English

Similar doctors nearby

Dr. Alice Wang-Chesebro

Radiation Oncology
8 years experience
Portland, OR

Dr. Christine Cha

Radiation Oncology
18 years experience
Portland, OR

Dr. Matthew Solhjem

Radiation Oncology
11 years experience
Portland, OR

Dr. Steven Seung

Radiation Oncology
17 years experience
Portland, OR

Dr. Marka Crittenden

Radiation Oncology
7 years experience
Portland, OR

Dr. Nicolaas De Wette

Radiation Oncology
23 years experience
Portland, OR
Search All Similar Doctors
Additional Information
Dr. Stephen Blake Bader MD is a male Radiation Oncologist, has 27 years of experience and practices in Radiation Oncology.
Where does Dr. Stephen B. Bader practice?
Dr. Stephen Bader has 4 office locations.
Dr. Stephen Bader practices Radiation Oncology near Portland, OR.
Additional practice locations include: Clackamas, OR.
See Portland Radiation Oncologists.