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
View Location Information

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


  • Chief Medical Officer, Compass Oncology 
  • 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 2021 by Portland Monthly Magazine.

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

Doc Schnadig is the greatest! – Healthgrades

My lymphoma is in remission. I get a blood test and meet with Dr. Schnadig at 3-month intervals to monitor my progress. I appreciate these visits. – Healthgrades

Excellent doctor who truly cares. – Healthgrades

Schnadig is the absolute best. He listens, treats me like a human and not just a patient. I trust him to the fullest. – Healthgrades

Very professional, friendly care by his NP Tawna. Highly recommend Dr Schnadig and his team. – Healthgrades

Dr Schnadig was a pleasure to work with. He has a positive demeanor and a welcoming office. He asked significant questions and truly listened, which allowed him to help my resolve my health concerns in the least invasive way possible. – Healthgrades

Very informative. Dr. Schnadig explained everything that I needed to know in ways that I could understand. – Healthgrades

It seems to be rare when you find a doctor who obviously cares about you and your condition enough to spend time explaining everything that is or will go on when the diagnosis is cancer. Dr. Schnadig did that and we even had a few laughs during our initial consultation. He is the sort of MD I look forward to seeing again and working with as we get through my illness. – Google

As a 2 time cancer survivor I cannot say enough good things about compass oncology and Dr. Schnadig in particular I had no idea what was involved in treating cancer and Dr. Ian's clever planning, excellent communication with me and the entire team made both treatments as painless as possible for both mind and body. I truly hope we find a cure for cancer sooner than later until then if you or someone you know is facing this monster you cannot be in better hands than Dr. Schnadig and the compass team. – Healthgrades

Dr. Schnadig is amazing. I feel so well taken care of by him. I’m new to this journey but I feel he will be by my Sadie ?? for me. I feel blessed to have found him. – Healthgrades

Very good. Keeps me well informed on my condition and makes sure I understand where my treatments are heading. -Healthgrades

He is the best!!! – Healthgrades

I like Ian. Knowledgeable, compassionate and to the point. The C diagnosis sucks. He rally’s spirit integral to acceptance and recovery. – Healthgrades

Dr. Schnadig is a knowledgeable and caring doctor. He will be honest, forthright and you will always know exactly what your treatment will be. His empathy for his patients is incomparable and anyone suffering from a cancer diagnosis will be lucky to have him. – Google

Amazing care and attentive to my needs and situation. They truly care about the do. Dr. Schnadig was awesome and understands all of the concerns you have with this awful disease. He has treated over the last few years and has great bedside manner and has a great sense of humor. Thank you and your staff for being there. Top class team!!! I am adding to the post about the care I have gotten from him He is amazing and I have to say before I am not just a patient your like family.I can truly say I appreciate the care he has provided with my early diagnosis and he is very personable and understands your concerns. If you are looking for a amazing oncologist I wouldn't look anywhere else. He is a rare individual with they way healthcare has become He makes the time to spend with each and every patient and I wouldn't have it any other way. Thank you again for being there and I look forward to seeing you next year for the last time. You are definitely high on my list. - Google

*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.