
Gary Walker, MD
Thoracic Radiation OncologyGastrointestinal Radiation OncologyHead and Neck Radiation OncologyRadiation Oncology
Highlights
Age Groups Seen
- Adults
Languages
- English
- Spanish
Provider Gender
MaleAbout 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.
Research and Publications
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, 2016
Video
Locations
- Banner MD Anderson Cancer Center, a department of Banner Thunderbird Medical Center
- 2946 East Banner Gateway Drive, Gilbert, AZ 85234
- Banner Gateway Medical Center - Banner MD Anderson Cancer Center
- 2946 East Banner Gateway Drive, Suite A, Gilbert, AZ 85234
Testimonials
4.8 out of 5.0
108 ratingsAll 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.
- 5 out of 5 starsReviewed on 11/23/2025
Staff friendly and informative
- 5 out of 5 starsReviewed on 11/16/2025
He's a good doctor
- 5 out of 5 starsReviewed on 8/18/2025
He was very thorough. Asked and answered my concerns.
- 5 out of 5 starsReviewed 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 starsReviewed on 8/9/2025
He is very understanding and direct about my situation. I will be continuing to contact him.
- 5 out of 5 starsReviewed on 8/4/2025
Easy to talk to, offered different options for treatment.
- 5 out of 5 starsReviewed on 7/13/2025
Very knowledgeable and helpful
- 5 out of 5 starsReviewed on 6/30/2025
Very professional and knowledgeable of the medical treatment plan.
- 5 out of 5 starsReviewed on 6/27/2025
He answered all my questions.
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 4/6/2025
He is personable and thorough
- 5 out of 5 starsReviewed on 4/5/2025
Very honest and straightforward a nice person.
- 5 out of 5 starsReviewed on 4/5/2025
Very knowledgeable and professional.
- 5 out of 5 starsReviewed on 3/23/2025
Very nice and professional.
- 5 out of 5 starsReviewed on 3/2/2025
Felt very confident with what he explained.
- 5 out of 5 starsReviewed 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 starsReviewed on 1/13/2025
Amazing person and doctor
- 5 out of 5 starsReviewed on 1/6/2025
Personable and friendly and low key.
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 11/22/2024
He was courteous, thorough and caring.
- 5 out of 5 starsReviewed on 11/7/2024
Very good at what he does and very personable.
- 5 out of 5 starsReviewed on 10/24/2024
He took time to examine, discuss, and answer my questions.
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 9/23/2024
Very informative and direct about treatment options.
- 5 out of 5 starsReviewed 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 starsReviewed on 8/5/2024
Explained what was to be expected, honest, caring, and very competent.
- 5 out of 5 starsReviewed on 8/3/2024
I thought Dr. Walker was very informative and kind.
- 5 out of 5 starsReviewed on 6/30/2024
Patient and goes over details so I understand
- 5 out of 5 starsReviewed on 6/10/2024
Very professional, very caring
- 5 out of 5 starsReviewed on 5/29/2024
Compassionate and competent!
- 5 out of 5 starsReviewed 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 starsReviewed on 4/4/2024
Great doctor!
- 5 out of 5 starsReviewed on 3/18/2024
Great communication
- 5 out of 5 starsReviewed on 10/21/2025
Competent urologist
- 5 out of 5 starsReviewed on 7/25/2025
Extremely professional and caring.
- 5 out of 5 starsReviewed on 4/11/2025
Competent, caring
- 5 out of 5 starsReviewed 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 starsReviewed 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.