Dr. Adedayo A Onitilo, MD, PhD, MSCR, FACP

University	Degree	Focus	Graduated
Abia State University Faculty of Medicine	Medical Degree		Not Specified
Obafemi Awolowo University College of Health Sciences	Medical Degree		1995

Institution	Focus	Year
Residency - Harlem Hospital Center Program		Not Specified

Certification	Cert. Body	Year
Internal medicine Sub-Specialty: Hematology	Internal Medicine	Not Specified

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Review by Anonymous on December 11, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I had concern about a possibly s... ”

I had concern about a possibly side effect, that could become permanent, and how it would alter my life. He offered to change meds to one without that specific side effect, but similar medical uses

Verified Patient

“I had concern about a possibly s...”

I had concern about a possibly side effect, that could become permanent, and how it would alter my life. He offered to change meds to one without that specific side effect, but similar medical uses

Anonymous 12/11/2025

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Review by Anonymous on September 19, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Good.... ”

Good.

Verified Patient

“Good....”

Good.

Anonymous 09/19/2025

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Review by Anonymous on June 17, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr and NP excel in medical scien... ”

Dr and NP excel in medical science and patient care

Verified Patient

“Dr and NP excel in medical scien...”

Dr and NP excel in medical science and patient care

Anonymous 06/17/2025

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Review by Anonymous on April 30, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Very good... ”

Very good

Verified Patient

“Very good...”

Very good

Anonymous 04/30/2025

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Review by Anonymous on March 06, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ V good... ”

V good

Verified Patient

“V good...”

V good

Anonymous 03/06/2025

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Review by Anonymous on November 14, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Everything went perfectly... ”

Everything went perfectly

Verified Patient

“Everything went perfectly...”

Everything went perfectly

Anonymous 11/14/2025

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Review by Anonymous on September 04, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Dr. Onitilo does listen to my qu... ”

Dr. Onitilo does listen to my questions and felt very good about our discussion when I left. He is an excellent doctor!!!

Verified Patient

“Dr. Onitilo does listen to my qu...”

Dr. Onitilo does listen to my questions and felt very good about our discussion when I left. He is an excellent doctor!!!

Anonymous 09/04/2025

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Review by Anonymous on May 08, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Took the time to answer question... ”

Took the time to answer questions.

Verified Patient

“Took the time to answer question...”

Took the time to answer questions.

Anonymous 05/08/2025

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Review by Anonymous on March 17, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ I have and will continue to reco... ”

I have and will continue to recommend Dr. Onitilo

Verified Patient

“I have and will continue to reco...”

I have and will continue to recommend Dr. Onitilo

Anonymous 03/17/2025

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Review by Anonymous on February 05, 2025 -

Marshfield Medical Center-Weston Medical Offices-Cancer Care - 3400 MINISTRY PARKWAY

Office & Staff Evaluation

Practice Evaluation

Ease of Getting an Appointment Not rated
Courtesy of Practice Staff Not rated
Appearance & Atmosphere of Office Not rated
Handling of Billing & Insurance Not rated
Average Wait Time Not rated

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Very good.... ”

Very good.

Verified Patient

“Very good....”

Very good.

Anonymous 02/05/2025

Office Hours

Internal Medicine Physician - Medical Oncology

Highlights

Biography

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Summary

Provider Training

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Specialties

Languages Spoken

Medical Specialties

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Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

Marshfield Medical Center-Weston Medical Offices-Cancer Care

Marshfield Medical Center-Stevens Point Campus-Cancer Center

Practice Colleagues

Dr Bevan Ly, MD - Radiation Oncologist

Emily Schillinger, DNP - Nurse Practitioner

Dr Carol Grabowski, MD, FACRO - Radiation Oncologist

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance