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“Patients always come first for me. I treat everyone as relatives and friends. I will give everyone my best, every time!”

Provider Bio down arrow

Dr. Adedayo Onitilo is the director of Cancer Care and Research. He is principal investigator of WinCORP, which provides access to NCI-sponsored clinical trials to more than 680,000 people in Wisconsin, and parts of Michigan, Iowa and Minnesota. He is editor-in-chief for Clinical Medicine and Research, a publication of original scientific medical research. He also holds a clinical faculty position at the University of Wisconsin.

Dr. Onitilo enjoys working in the Health System because it allows him to practice exceptional medicine and conduct landmark research. “It’s rare to be able to wear both hats,” he said. “We are doing groundbreaking research now that may help patients worldwide.”

In his spare time, you’ll find Dr. Onitilo displaying his ping-pong skills or working on his golf game. As a physician who has lived and practiced throughout the world, he loves to travel and meet new people. He is happily married with children.

Dr. Onitilo is board certified in internal medicine, hematology, medical oncology and hospice and palliative medicine. He earned his medical degree at Ogun State University in Nigeria. He did his residency at Columbia University, College of Physicians and Surgeons - Harlem Hospital in New York. Dr. Onitilo completed a fellowship in oncology/ hematology and earned a master of science degree in clinical research at the Medical University of South Carolina. He earned a doctorate degree in epidemiology from The University of Queensland, Australia. Dr. Onitilo is a member of the Wisconsin chapter of the American Cancer Society and Wisconsin Cancer Council steering committee.

Professional Summary down arrow

  • Medical School
    Ogun State University Sagamu, Ogun State, Nigeria, M.D. 1995

    Internship
    Columbia University College of Physicians & Surgeons - Harlem Hospital Center New York, NY, United States, Internal Medicine 1999

    Residency
    Columbia University College of Physicians & Surgeons - Harlem Hospital Center New York, NY, United States, Internal Medicine 2001

    Fellowship
    Medical University of South Carolina Charleston, SC, United States Master of Science - Clinical Research 2004

    Medical University of South Carolina Charleston, SC, United States Oncology/Hematology 2004

  • Academic Appointments
    Clinical Associate Professor, Department of Medicine-University of Wisconsin School of Medicine and Public Health Madison, WI

    Professional Societies
    American College of Physicians American Society of Clinical Oncology American Society of Hematology International Society for Experimental Hematology

    Board Certifications
    Hematology: 2004, recertified 2014 Hospice & Palliative Medicine: 2005 Internal Medicine: 2002, recertified 2012 Medical Oncology: 2004, recertified 2014

    State Licenses
    South Carolina Wisconsin

    Areas of Interest
    Associate Editor, Clinical Medicine & Research Journal Clinical Practice & Research

Patient Ratings down arrow

4.8
out of 5 (174 ratings, 21 comments)
4.7
Provider explanations of my problem
4.8
Provider concern for my questions
4.8
Provider's efforts to include me in treatment decisions
4.8
Provider's discussion of proposed treatment
4.8
My likelihood of recommending this provider

Patient Comments down arrow

Comments are also gathered from the Press Ganey patient satisfaction survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing.
Comments are from Press Ganey surveys. Slander, libel and private health information are removed.
Sort by:
May 19, 2020
I would definitely recommend Dr. Ontilo. He is well respected.
July 10, 2020
I had a concern that was not actually related to the reason for my appointment and it was quickly taken care of, tests ordered & completed with good f/u. Very efficient use of healthcare access.
July 29, 2020
Dr. Onitilo is a wonderful doctor and has taken very good care of both me and my mom...we are blessed to be under such great care!
August 5, 2020
Good experience.
September 25, 2020
Dr. Onitilo is the best!!
September 25, 2020
Whenever treatment options exist they have been discussed before proceeding.
September 29, 2020
Have felt very comfortable and cared for. Have recommended to others.
October 30, 2020
Dr. Onitillo is the most caring & kind dr. I have ever met. To him I am not a number.
November 24, 2020
Very easy to talk too!! He listens very well to what you are saying!!
January 28, 2021
Dr. Onitilo is an excellent doctor. He has always taken good care of me. To him I am not a number.
January 29, 2021
Through good & bad times Doctor Onitiolo has given me compassion respect, love and support. He is MCHS's gain. I thank God that he put me in his care.
February 9, 2021
Good
February 19, 2021
Wish we had more like him. Very knowledgeable.
February 24, 2021
Dr. Onitilo exec checked my ears when I asked him. He also was so kind to answer questions re: my concerns for my family member.
April 26, 2021
Dr. Onitilo is an excellent dr. in every way.
June 18, 2021
The doctor could have spoken more slowly, louder.
June 9, 2020
wonderful doctor
February 17, 2021
Dr. has always been kind always gives good reads for treatments or tests.
December 3, 2020
I've been seeing this doctor for over 10 years. He's a fantastic doctor and a friend.
May 14, 2021
Didn't explain about the MRI spots found on the good lung. Said wait 3 mo. Very concerned. Had to call reg. dr. to explain.
May 17, 2021
No rating given
Doc did not have time for me!
May 17, 2021
No rating given
Doc did not have time for me!
May 14, 2021
Didn't explain about the MRI spots found on the good lung. Said wait 3 mo. Very concerned. Had to call reg. dr. to explain.
December 3, 2020
I've been seeing this doctor for over 10 years. He's a fantastic doctor and a friend.
February 17, 2021
Dr. has always been kind always gives good reads for treatments or tests.
June 9, 2020
wonderful doctor
May 19, 2020
I would definitely recommend Dr. Ontilo. He is well respected.
July 10, 2020
I had a concern that was not actually related to the reason for my appointment and it was quickly taken care of, tests ordered & completed with good f/u. Very efficient use of healthcare access.
July 29, 2020
Dr. Onitilo is a wonderful doctor and has taken very good care of both me and my mom...we are blessed to be under such great care!
August 5, 2020
Good experience.
September 25, 2020
Dr. Onitilo is the best!!
September 25, 2020
Whenever treatment options exist they have been discussed before proceeding.
September 29, 2020
Have felt very comfortable and cared for. Have recommended to others.
October 30, 2020
Dr. Onitillo is the most caring & kind dr. I have ever met. To him I am not a number.
November 24, 2020
Very easy to talk too!! He listens very well to what you are saying!!
January 28, 2021
Dr. Onitilo is an excellent doctor. He has always taken good care of me. To him I am not a number.
January 29, 2021
Through good & bad times Doctor Onitiolo has given me compassion respect, love and support. He is MCHS's gain. I thank God that he put me in his care.
February 9, 2021
Good
February 19, 2021
Wish we had more like him. Very knowledgeable.
February 24, 2021
Dr. Onitilo exec checked my ears when I asked him. He also was so kind to answer questions re: my concerns for my family member.
April 26, 2021
Dr. Onitilo is an excellent dr. in every way.
June 18, 2021
The doctor could have spoken more slowly, louder.
May 19, 2020
I would definitely recommend Dr. Ontilo. He is well respected.
June 9, 2020
wonderful doctor
July 10, 2020
I had a concern that was not actually related to the reason for my appointment and it was quickly taken care of, tests ordered & completed with good f/u. Very efficient use of healthcare access.
July 29, 2020
Dr. Onitilo is a wonderful doctor and has taken very good care of both me and my mom...we are blessed to be under such great care!
August 5, 2020
Good experience.
September 25, 2020
Dr. Onitilo is the best!!
September 25, 2020
Whenever treatment options exist they have been discussed before proceeding.
September 29, 2020
Have felt very comfortable and cared for. Have recommended to others.
October 30, 2020
Dr. Onitillo is the most caring & kind dr. I have ever met. To him I am not a number.
November 24, 2020
Very easy to talk too!! He listens very well to what you are saying!!
December 3, 2020
I've been seeing this doctor for over 10 years. He's a fantastic doctor and a friend.
January 28, 2021
Dr. Onitilo is an excellent doctor. He has always taken good care of me. To him I am not a number.
January 29, 2021
Through good & bad times Doctor Onitiolo has given me compassion respect, love and support. He is MCHS's gain. I thank God that he put me in his care.
February 9, 2021
Good
February 17, 2021
Dr. has always been kind always gives good reads for treatments or tests.
February 19, 2021
Wish we had more like him. Very knowledgeable.
February 24, 2021
Dr. Onitilo exec checked my ears when I asked him. He also was so kind to answer questions re: my concerns for my family member.
April 26, 2021
Dr. Onitilo is an excellent dr. in every way.
May 14, 2021
Didn't explain about the MRI spots found on the good lung. Said wait 3 mo. Very concerned. Had to call reg. dr. to explain.
May 17, 2021
No rating given
Doc did not have time for me!
June 18, 2021
The doctor could have spoken more slowly, louder.
June 18, 2021
The doctor could have spoken more slowly, louder.
May 17, 2021
No rating given
Doc did not have time for me!
May 14, 2021
Didn't explain about the MRI spots found on the good lung. Said wait 3 mo. Very concerned. Had to call reg. dr. to explain.
April 26, 2021
Dr. Onitilo is an excellent dr. in every way.
February 24, 2021
Dr. Onitilo exec checked my ears when I asked him. He also was so kind to answer questions re: my concerns for my family member.
February 19, 2021
Wish we had more like him. Very knowledgeable.
February 17, 2021
Dr. has always been kind always gives good reads for treatments or tests.
February 9, 2021
Good
January 29, 2021
Through good & bad times Doctor Onitiolo has given me compassion respect, love and support. He is MCHS's gain. I thank God that he put me in his care.
January 28, 2021
Dr. Onitilo is an excellent doctor. He has always taken good care of me. To him I am not a number.
December 3, 2020
I've been seeing this doctor for over 10 years. He's a fantastic doctor and a friend.
November 24, 2020
Very easy to talk too!! He listens very well to what you are saying!!
October 30, 2020
Dr. Onitillo is the most caring & kind dr. I have ever met. To him I am not a number.
September 29, 2020
Have felt very comfortable and cared for. Have recommended to others.
September 25, 2020
Whenever treatment options exist they have been discussed before proceeding.
September 25, 2020
Dr. Onitilo is the best!!
August 5, 2020
Good experience.
July 29, 2020
Dr. Onitilo is a wonderful doctor and has taken very good care of both me and my mom...we are blessed to be under such great care!
July 10, 2020
I had a concern that was not actually related to the reason for my appointment and it was quickly taken care of, tests ordered & completed with good f/u. Very efficient use of healthcare access.
June 9, 2020
wonderful doctor
May 19, 2020
I would definitely recommend Dr. Ontilo. He is well respected.

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