John P. Hayes, MD

4.9 
437 ratings  Read Reviews
Northwestern Medicine logoNorthwestern Medical Group

Primary Specialty

Radiation Oncology

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Practice Website

Practice Focus Areas

This medical professional has a particular interest or expertise in:

Education

Medical Education:
MD, West Virginia University School of Medicine - 1987
Internship:
St Agnes HealthCare - 1988
Residency:
McGaw Medical Center of Northwestern University - 1991

Bio

Dr. Hayes recognizes that the foundation of great medicine is compassionate, honest, respectful relationships with patients and their loved ones. He is committed to creating the best possible care plans. To do that, he uses advanced technology and an approach that fits the patient and their goals. Dr. Hayes’ day-to-day work is grounded in empathy and unwavering dedication to those in his care. Dr. Hayes thinks of himself as a teacher of medicine for his patients as well as resident physicians and medical students. He works closely with colleagues across the spectrum of cancer care. This includes surgeons, medical oncologists and primary care physicians.

Board Certifications

  • American Board of Radiology - Radiation Oncology (Certified)

Faculty Profile

Assistant Professor, Feinberg School of Medicine

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Practice Groups and Affiliations

Medical Group:
Northwestern Medical Group
Alignment Category:
Northwestern Medicine Physician Network
On Medical Staff At:
Northwestern Memorial Hospital

Ratings and Reviews

At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.

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Overall Rating

4.9
4.9 

437 Ratings

Reviews from Patients

58 Reviews

Reviews from Patients

58 Reviews

February 25, 2026

5.0

Excellent listener ... very knowledgeable Made me feel comfortable

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February 20, 2026

5.0

Great person and really halo you to understand the situation

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February 19, 2026

5.0

Knowledgeable and nice

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February 11, 2026

5.0

He gave me confidence that this procedure that I'm going through will ultimately reach its goals

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February 04, 2026

5.0

He's great

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January 30, 2026

5.0

He presents the facts and tell me exactly what to expect and he's very comforting that my procedure would be a success

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January 28, 2026

5.0

He is a professional and respectful physician; he took the time to make sure I understood what he explained to me about the process of my process with my future radiotherapy.

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January 27, 2026

5.0

He iss informed, current, and forthcoming with information.

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January 23, 2026

5.0

Dr. Hayes is awesome. He made us comfortable and he explained to us how the whole process is gonna go. He took time to explain everything to us. Thank you so much Dr. Hayes for all you do.

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January 20, 2026

5.0

friendly and smart; obvious deep expertise and experience in his field

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January 19, 2026

5.0

Dr. Hayes is a knowledgeable and compassionate doctor.

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January 16, 2026

5.0

I trust him

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January 12, 2026

5.0

He takes the time to explain things... procedures

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January 08, 2026

5.0

Dr. Hayes is professional is professional, proeficient and knowledgeable. On top of that, he is very pleasant and compassionate.

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December 30, 2025

5.0

Dr. Hayes is very professional. He explained the treatment thoroughly and answered all our questions. He is compassionate and pleasant without been condescending.

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December 27, 2025

5.0

Knowledgeable and explained treatments well.

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December 23, 2025

5.0

Dr John Hayes toke the time to explain the radiation process

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December 17, 2025

5.0

Dr. Hayes took time to listen to my concerns and explain what was going on.

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December 15, 2025

5.0

Very informative

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December 12, 2025

5.0

Dr. Hayes was wonderful ... I loved his calming manner and we conversed. He didn't lecture or try to persuade me to any one or combo treatment plans. He listened intently... great eye contact ... in other words he met me at my level, if that makes more sense.

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December 12, 2025

5.0

He takes care of all your needs and listens to your needs

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December 06, 2025

5.0

All of our questions were answered. He was kind to take his time.

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November 30, 2025

5.0

He's always around checking on the comfort of his patients and his calm demeanor makes me feel calmer during treatment. And he's always assures me that if I have any discomfort bc of the radiation, to speak up bc he's got lots of things to keep us all comfortable. Just love him to death bc he's so reassuring!

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November 28, 2025

5.0

I am very much into communication and feeling that I am being heard. I felt that Dr. Hayes listened to me, he was familiar with my case and answered all my questions. He explained where we going and what to expect. I appreciated my visit with him.

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November 26, 2025

5.0

Northwestern Mem. Hosp. Takes very good care of their patients

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November 24, 2025

5.0

Great service

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November 18, 2025

5.0

Good team - everyone know what to do and make you feel very at ease

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November 12, 2025

5.0

Very caring.

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November 07, 2025

5.0

Great knowledge and professionalism

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November 03, 2025

5.0

My experience of Dr. Hayes is that he is knowledgeable and skilled in his area of expertise. He clearly explained the radiation process, often using easy-to-understand analogies. My questions were always entertained and explained the side effects. Finally, he did not pressure for a commitment and encouraged reflection before accepting treatment.

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October 27, 2025

5.0

Dr Hayes was professional and took the time to listen to my concerns. He was very informative with the treatment plan.

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October 24, 2025

5.0

Great professional and communicator! Explained all steps of the treatment in details.

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October 14, 2025

5.0

Dr. Hayes clearly explained my health situation, the benefits of treatment, along with the likely side effects. He presented a recommend treatment option but made it clear that there was no pressure to accept, like he had no ego in the outcome of our consultation.

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October 13, 2025

5.0

Listened to my concerns. Took time to explain that they were making a plan.

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October 10, 2025

5.0

I wanted to share my appreciation for his exceptional patience and thoroughness in answering all my questions. His focus on ensuring the best outcome for the patient is truly commendable. Thank you!

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October 07, 2025

5.0

Attention to detail Passion for the work Excellent creative problem solving and explanations Dr. John Hayes and 5th yr resident Dr. Steve are excellent

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October 03, 2025

5.0

Professional, very knowledgeable, caring and personable.

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September 26, 2025

5.0

Dr. Hayes was informative, patient and clear in his explanation of my care needs going forward.

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September 25, 2025

5.0

Very professional and knowledgeable

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September 20, 2025

5.0

Very knowledgeable and personable

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September 19, 2025

5.0

Very informative and answered all my questions.

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September 18, 2025

5.0

Personable and knowledgeable

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September 16, 2025

5.0

Very kind, professional and informative.

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September 09, 2025

5.0

Very professional

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September 09, 2025

5.0

My husband and I were really impressed by Dr. Hayes! He was extremely knowledgeable, professional answered all my questions and was very personable!

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September 05, 2025

5.0

Knowledgeable and easy to speak with.

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August 19, 2025

5.0

He knew my history when I came in instead of asking who I had seen and what action had been taken. He was thorough in his explanations of where the radiation would be directed and why AND what to expect as side effects.

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August 15, 2025

5.0

Listens well to my concerns and is reassuring.

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August 14, 2025

5.0

Dr Hayes took a lot of time with us explaining the radiation treatment that he recommended for my son. We felt very confident in our decision to proceed with the treatment plan with Dr Hayes.

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August 06, 2025

5.0

Very open to explaining treatments

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August 01, 2025

5.0

My son has colorectal cancer We were apprehensive about radiation treatments and the side effects. Dr Hayes was very reassuring and explained everything in detail. My son was definitely reassured and is now going through with the recommended treatment.

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June 28, 2025

5.0

Extremely competent and reassuring.

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June 24, 2025

5.0

Clearly explains what is happening to me and my treatment will entail. Puts me at ease.

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June 17, 2025

5.0

Very professional and thorough in answering questions. Inspires confidence.

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June 03, 2025

5.0

Dr Hayes is forthcoming to be sure I understand all aspects of my treatment plan. He communicates exceptionally well and demonstrates concern for me pas a patient .

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May 19, 2025

5.0

Such a kind and polite guy

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May 09, 2025

5.0

Explains everything very thoroughly, very personable. Instills a feeling of confidence in the patient

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May 06, 2025

5.0

Amazing Talent

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Disclosures

Industry Relationships

Ownership or Investment Interest

Faculty member and/or their immediate family have an ownership or investment interest in the following companies

  • Genentech, Inc.

Consulting

Faculty member and/or their immediate family have engaged in activities such as speaking, advising, consulting, or providing educational programs for the following companies or other entities

  • Genentech, Inc.

External Professional Relationships

Pharmaceutical, device, and biotechnology companies frequently collaborate with basic scientists and physicians within an academic medical center to help advance science and improve patient care. These relationships are important in achieving scientific breakthroughs and in establishing the effectiveness and safety of promising new therapies. In order to assure objectivity in clinical research and patient care, the Northwestern University Feinberg School of Medicine (Feinberg), Northwestern Memorial HealthCare, Children's Hospital of Chicago Medical Center, and the Shirley Ryan AbilityLab have adopted integrity policies that require research and clinical faculty (in full-time, part-time, and unpaid/voluntary categories) to report compensated and uncompensated external industry relationships. Patients are encouraged to discuss these disclosures with their physician as well as to inquire as to how these relationships are overseen by Feinberg. To learn more about our Disclosure and Professional Integrity Policy, and the conflict of interest policies of our joint affiliate survey partners, please go to our Office for Regulatory Affairs Policies page.