COVID-19 HEALTH ALERT!  For the safety of our patients and staff, effective March 30, 2020, new patients and patients with disabilities will be permitted one visitor over the age of 15. No other visitors will be permitted into the clinic.  Family members and caretakers may participate in the appointments remotely by phone or video conference if desired. 

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Ian Schnadig, MD

Medical Oncology /      Hematology - Ian Schnadig, MD

Ian Schnadig, MD


Medical Oncology / Hematology

Primary Location

West Cancer Center
12123 SW 69th Avenue
Tigard, OR 97223
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Phone Number


Medical School

Doctor of Medicine, Rush University, Chicago, IL


Internal Medicine, Oregon Health & Sciences University, Portland, OR


Hematology/Oncology, Oregon Health & Sciences University, Portland, OR

Board Certification

  • Medical Oncology
  • Hematology


  • Genitourinary (GU) malignancies (prostate, bladder, kidney, testis)
  • General adult oncology
  • Hematology


  • Prostate Cancer Physician Advocate Volunteer for US Too International
  • Site Principal Investigator, ECOG Trials, Legacy Health
  • Member, US Oncology GU National Research Committee
  • GU Chair, Pathways Task Force, Pharmacy and Therapeutics Committee, McKesson
  • American Society of Clinical Oncology (ASCO)
  • American Society of Hematology (ASH)
  • Southwest Oncology Group (SWOG)


Dr. Schnadig was named one of Portland's Top Medical Providers 2020 by Portland Monthly Magazine.

Dr. Schnadig was named one of Portland's Top Docs of 2018 by Portland Monthly Magazine.

Dr. Schnadig specializes in genitourinary (GU) malignancies, general adult oncology and hematology. He is very active in The US Oncology Research Network, serving as a member of the national GU Research Committee and as principal investigator for many Phase II and Phase III studies. As GU Chair of the US Oncology Pathways Task Force, he is responsible for developing GU cancer treatment guidelines for physicians nationally. These facts speak to Dr. Schnadig’s practice philosophy of applying the most current and innovative thinking to help patients choose therapies and clinical trials targeted to their specific tumor characteristics.

Despite this busy schedule, Dr. Schnadig finds time to enjoy the pleasures of Pacific Northwest living including cycling, running and camping. He enjoys spending time with his wife and two children and volunteers at his son’s elementary school.

What Patients Say

"I am extremely happy with Dr. Schnadig, and the staff of Compass Oncology. Always caring, patient, and professional. They do a wonderful job! I do not feel that I could have had better care, and continuing follow upcare anywhere else, and I know if I have questions they are quick to respond to me. Having Cancer is a terrible thing, but the trust I had in Dr. Schnadig and his staff made the process much easier." --- Healthgrades

" I saw Dr. Schnadig today for the first time. I would highly recommend him. Cancer is very scary and you need an oncologist that "hears" you and responds to your questions in a way that is easily understood. I think Dr. Schnadig is a great choice!" --- Vitals

"Always a great experience here. My Doctor is wonderful (Dr. Schnadig), the CMA"S, the nurses who took care of me during my chemo are great. I love the lab techs! Even the receptionists and the schedulers are awesome. I had wonderful help from the financial dept. and a great follow up appointment for exercise and nutrition. Having said all of that, I hope I am done this this part of my treatment, never to return. Cancer is awful but I am grateful that I had such a great group of people to walk me through it. MUCH LOVE!!!" --- Google Reviews

"Compass Oncology has a staff of highly trained Doctors and Nurses. Dr. Schnadig and the staff are trulycompassionate and their primary concern is the welfare of their patients. Dr. Schnadig, along with a group of his colleagues, are responsible for my survival from rectal cancer. Thank you!" --- Healthgrades

"This man hold no bound So! Excellent in every way! I have recommended him through Dr. White other patients looking for a good Oncalogist." --- Vitals

*The information included in this testimonial is based on one patient’s unique experience and is not intended to represent all patient outcomes or expectations.