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Gary Walker

Gary Walker, MD

4.8127 ratings

Thoracic Radiation OncologyGastrointestinal Radiation OncologyHead and Neck Radiation OncologyRadiation Oncology

Video Visit
Accepting New Patients

Highlights

Age Groups Seen

  • Adults

Languages

  • English
  • Spanish

Provider Gender

Male

About Gary Walker and Banner Safety Practices

Care Philosophy

I partner with my patients to provide the highest level of personalized, evidence-based medicine in a supportive and caring environment.

Specializing In

Thoracic Radiation Oncology
Head and Neck Radiation Oncology
Gastrointestinal Radiation Oncology (including esophagus, liver, pancreas, stomach, colorectal and anal cancer)

Interests & Activities

Outside of caring for patients, I enjoy wheel-thrown pottery, camping, skiing and hiking.

All Banner facilities are pleased to provide interpretation services to our patients and their companions for no charge - just ask when you arrive.

Hospital Affiliations

Banner Gateway Medical Center

Preferred Phone Number

480-256-6444

Expertise

Education

  • Residency: University of Texas MD Anderson Cancer Center, Radiation Oncology, 2015
  • Internship: University of Texas Health Science Center-Houston, Internal Medicine, 2011
  • Medical School: Baylor College of Medicine, 2010

Board Certifications

  • Preventive Medicine: American Board of Preventive Medicine/Clinical Informatics, 2017
  • Radiation Oncology: American Board of Radiology/Radiation Oncology, 2017

Video

Locations

  1. Banner MD Anderson Cancer Center, a department of Banner Thunderbird Medical Center
    • 2946 East Banner Gateway Drive, Gilbert, AZ 85234
    • Phone:
  2. Banner Gateway Medical Center - Banner MD Anderson Cancer Center
    • 2946 East Banner Gateway Drive, Suite A, Gilbert, AZ 85234
    • Phone:
Need help scheduling? Call 480-256-6444

Testimonials

4.8 out of 5.0

127 ratings

All patient experience ratings and testimonials are submitted by actual patients and verified by a leading independent customer experience company. Patient identities are withheld to ensure confidentiality and privacy.

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    5 out of 5 stars
    Reviewed on 11/23/2025

    Staff friendly and informative

    5 out of 5 stars
    Reviewed on 11/16/2025

    He’s a good doctor

    5 out of 5 stars
    Reviewed on 8/18/2025

    He was very thorough. Asked and answered my concerns.

    5 out of 5 stars
    Reviewed on 8/13/2025

    Dr Walker and his team were instrumental in my treatment and recovery process. I owe them my life but as an added benefit I gained family. Dr Walker and his entire team are kind, compassionate and all around awesome.

    5 out of 5 stars
    Reviewed on 8/9/2025

    He is very understanding and direct about my situation. I will be continuing to contact him.

    5 out of 5 stars
    Reviewed on 8/4/2025

    Easy to talk to, offered different options for treatment.

    5 out of 5 stars
    Reviewed on 7/13/2025

    Very knowledgeable and helpful

    5 out of 5 stars
    Reviewed on 6/30/2025

    Very professional and knowledgeable of the medical treatment plan.

    5 out of 5 stars
    Reviewed on 6/27/2025

    He answered all my questions.

    5 out of 5 stars
    Reviewed on 4/23/2025

    Dr Walker takes great care with his patients. He is very easy to talk to and answers all your questions.

    5 out of 5 stars
    Reviewed on 4/6/2025

    He spent adequate time with me on 1st visit and answered all my questions. I’m sure I’ll have many more during my treatments, and I already have total confidence in Dr. Walker!

    5 out of 5 stars
    Reviewed on 4/6/2025

    He is personable and thorough

    5 out of 5 stars
    Reviewed on 4/5/2025

    Very honest and straightforward a nice person.

    5 out of 5 stars
    Reviewed on 4/5/2025

    Very knowledgeable and professional.

    5 out of 5 stars
    Reviewed on 3/23/2025

    Very nice and professional.

    5 out of 5 stars
    Reviewed on 3/2/2025

    Felt very confident with what he explained.

    5 out of 5 stars
    Reviewed on 1/16/2025

    He is very knowledgeable, compassionate, and professional. He takes all the time necessary, and his personality and manner are pleasing.

    5 out of 5 stars
    Reviewed on 1/13/2025

    Amazing person and doctor

    5 out of 5 stars
    Reviewed on 1/6/2025

    Personable and friendly and low key.

    5 out of 5 stars
    Reviewed on 12/9/2024

    He relaxed and not rushed , answered my questions and was informative about options. I felt very comfortable. His nurses were also friendly and helpful. Being in his office was a pleasant experience overall.

    5 out of 5 stars
    Reviewed on 12/9/2024

    Very knowledgable and explained the radiation treatment process thoroughly. He also took the time to answer all our questions making sure we were comfortable about moving forward with this treatment.

    5 out of 5 stars
    Reviewed on 11/22/2024

    He was courteous, thorough and caring.

    5 out of 5 stars
    Reviewed on 11/7/2024

    Very good at what he does and very personable.

    5 out of 5 stars
    Reviewed on 10/24/2024

    He took time to examine, discuss, and answer my questions.

    5 out of 5 stars
    Reviewed on 9/30/2024

    He and his staff were thorough in review and discussion of my needs. Options were discussed without feeling I was forced into a specific treatment. Dr Walker and his staff were considerate and took the time to make me comfortable.

    5 out of 5 stars
    Reviewed on 9/23/2024

    I gave Dr. Gary Walker a 10 because he has been an incredible doctor throughout my cancer journey. His expertise and dedication were clear from the start, and his compassionate approach helped me stay positive during my treatments. He always took the time to explain things thoroughly, making sure I understood my options and felt comfortable with every step. His care didn’t stop after treatment; even a year later, during my follow-up appointment, he continued to show genuine concern for my well-being. Thanks to Dr. Walker, I’m now cancer-free, and I couldn’t have asked for a better doctor to guide me through this process.

    5 out of 5 stars
    Reviewed on 9/23/2024

    Very informative and direct about treatment options.

    5 out of 5 stars
    Reviewed on 8/12/2024

    I find him to be caring and complete in his examinations of me. He is gentle and caring while performing uncomfortable procedures.

    5 out of 5 stars
    Reviewed on 8/5/2024

    Explained what was to be expected, honest, caring, and very competent.

    5 out of 5 stars
    Reviewed on 8/3/2024

    I thought Dr. Walker was very informative and kind.

    5 out of 5 stars
    Reviewed on 6/30/2024

    Patient and goes over details so I understand

    5 out of 5 stars
    Reviewed on 6/10/2024

    Very professional, very caring

    5 out of 5 stars
    Reviewed on 5/29/2024

    Compassionate and competent!

    5 out of 5 stars
    Reviewed on 4/28/2024

    Dr. Walker is not only very knowledgeable, he provides compassionate care. He takes the time to explain treatment, side effects and how to manage them, and interpret results. I recommend him highly.

    5 out of 5 stars
    Reviewed on 4/4/2024

    Great doctor!

    5 out of 5 stars
    Reviewed on 3/18/2024

    Great communication

    5 out of 5 stars
    Reviewed on 10/21/2025

    Competent urologist

    5 out of 5 stars
    Reviewed on 7/25/2025

    Extremely professional and caring.

    5 out of 5 stars
    Reviewed on 4/11/2025

    Competent, caring

    5 out of 5 stars
    Reviewed on 4/25/2024

    Knowledgeable, listened to me and answered the questions I had. Didn’t rush the appointment. Agreed to my wishes as far as timeframe.

    4 out of 5 stars
    Reviewed on 9/29/2024

    On time, able to ask questions to him. I was disappointed that my MRI results were not ready and he said he would call me. No call yet and appt was last Thursday, 7/26.