Timothy Wassenaar, MD

Patient Rating
4.9 / 5 (Based on 189 reviews)

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Timothy Wassenaar

About me

Philosophy of care

“My goal is to deliver personalized, compassionate and family-focused care to my patients. I have an interest in clinical research and have been awarded several research grants and studies, which provide my patients with clinical research opportunities.”



Hobbies and Personal Interests

Dr. Wassenaar is married, and he enjoys spending time with his family, biking and running marathons.

My locations

Medical education

Medical School

The Chicago Medical School, Chicago, IL


University of Wisconsin Hospital and Clinics, Madison, WI


University of Wisconsin Hospital and Clinics, Madison, WI, Hematology


Board Certifications

  • Hematology
  • Internal medicine
  • Palliative medicine

My Videos


May 12, 2021
my doctor made arrangements for me to have another problem dealt with within the immediate week. I am so grateful for his quick help
May 12, 2021
the UW Cancer center at ProHealthcare staff are amazing. dr. Wassenaar and his staff always go above and beyond.
May 11, 2021
the hole experience was really good. everyone was so friendly and helpful. everyone explained everthing so that i under stood all the medical terms and the future of the process of what we would do step by step.!
May 4, 2021
Everything OK.
April 28, 2021
I am very happy with all my doctors at Prohealth.
April 27, 2021
Very happy with Dr Wassenaar, his team, and ProHealth Care in General.
April 27, 2021
Tim is a very knowledgeable compassionate that spent a lot of time with us to develop a good health plan. He is easy to talk with and non judgmental. A GEM!
April 26, 2021
A very good all around experience
April 21, 2021
I had a great experience. Very satisfied.
April 20, 2021
ProHealth gives great care.
April 16, 2021
Always professional & courteous & caring. Good people!
March 26, 2021
All staff was very kind, courteous, and helpful.
March 23, 2021
everything was fine except time waiting on the lab to free up.
March 17, 2021
I could not be more pleased
March 17, 2021
Great doctor and staff. Would recommend him to everyone I know.
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