
Highlights
Age Groups Seen
- Adults
- Geriatrics
Languages
- English
Provider Gender
MaleAbout Jason Weiss and Banner Safety Practices
Care Philosophy
I enjoy working and partnering with Gastroenterologists to diagnose and treat patients with complex digestive diseases and conditions in order to reduce their health risks and improve outcomes.
Specializing In
Robotic Surgery for colon, rectal, and anal cancers, as well as diverticulitis.
Interests & Activities
My wife and I are active members of the Phoenix community, we have a son and two daughters in middle and elementary school.
Hospital Affiliations
Banner - University Medical Center Phoenix
Expertise
Education
- Fellowship: Ohio State University Wexner Medical Center, Colorectal Surgery, 2017
- Fellowship: University of Southern California Medical Center, Research, 2016
- Residency: Banner University Medical Center Phoenix, General Surgery, 2015
- Medical School: University Of Iowa Roy J & Lucille A Carver College Of Medicine, 2008
Board Certifications
- Colon & Rectal Surgery: American Board of Colon & Rectal Surgery, 2019
- Surgery (General Surgery): American Board of Surgery, 2017
Locations
- Banner - University Medicine Colon & Rectal Surgery Clinic
- 1441 North 12th Street, Floor 3, Phoenix, AZ 85006
- phone: 602-521-5100
- fax: 623-707-4243
Testimonials
4.7 out of 5.0
320 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 12/1/2025
Dr. Weiss was very attentive and kind. listened to my concerns.
- 5 out of 5 starsReviewed on 9/19/2025
His knowledge and pleasant manners.
- 5 out of 5 starsReviewed on 5/19/2025
He was knowledgeable, thorough, and kind.
- 5 out of 5 starsReviewed on 3/22/2025
Good at explaining everything
- 5 out of 5 starsReviewed on 1/27/2025
He was s very professional, knowledgeable, listens to what you are saying, and courteous.
- 5 out of 5 starsReviewed on 12/23/2024
Very professional and compassionate
- 5 out of 5 starsReviewed on 12/19/2024
He was very professional and answered our questions.
- 5 out of 5 starsReviewed on 11/25/2024
Dr. Weiss makes you feel comfortable when going over information. He listened to concerns with thorough explanations.
- 5 out of 5 starsReviewed on 11/22/2024
He was thorough, easy to understand ,I felt he was concerned and was knowledgeable
- 5 out of 5 starsReviewed on 11/19/2024
I was very afraid about this surgery, I don't know why, I wanted to cancel but I decided to give Dr Weiss the opportunity to get me well. He was fantastic, thank you Dr Weiss for giving me the opportunity to feel much better. Thank you for your care.
- 5 out of 5 starsReviewed on 11/19/2024
He was caring and concerned. Answered all of my questions and concerns.
- 5 out of 5 starsReviewed on 11/18/2024
Very professional and personable.
- 5 out of 5 starsReviewed on 11/16/2024
He is an excellent physician and surgeon. He listens to his patients and he keeps you informed of what is happening.
- 5 out of 5 starsReviewed on 11/8/2024
Knowledgeable and professional
- 5 out of 5 starsReviewed on 11/7/2024
He listened carefully. He seemed interested in me and my issue.
- 5 out of 5 starsReviewed on 10/24/2024
Very knowledgeable easy to talk too was able to understand what was said and answered any questions when I asked him
- 5 out of 5 starsReviewed on 10/24/2024
He's very professional and explained my diagnosis in easy to understand terms
- 5 out of 5 starsReviewed on 10/24/2024
Courteous and knowledgeable
- 5 out of 5 starsReviewed on 10/21/2024
Dr Weiss was easy to talk to and took his time to address proposed procedures and concerns.
- 5 out of 5 starsReviewed on 9/30/2024
He is serious about wanting his patients to succeed and do well. He is thorough, professional, attentive to detail, and a good listener.
- 5 out of 5 starsReviewed on 9/29/2024
Very impressionable knowledgeable about his specialty easy to talk to
- 5 out of 5 starsReviewed on 9/28/2024
He is knowledgeable, kind and empathetic. I feel secure with him as my physician.
- 5 out of 5 starsReviewed on 9/24/2024
Dr. Weise is the best there is. Always kind and never too busy to answer questions.
- 5 out of 5 starsReviewed on 9/23/2024
Dr. Weiss is a skilled professional with an amazing support team. He is personable, kind, honest, and direct.
- 5 out of 5 starsReviewed on 9/20/2024
Dr Weiss made me feel at ease as soon as I met him. Explained everything in detail. Highly recommend Dr Jason Weiss!
- 5 out of 5 starsReviewed on 9/16/2024
Very professional. Took the time to consult and answer all my questions.
- 5 out of 5 starsReviewed on 9/2/2024
Doc Weiss was very informative and the exam was very thorough. He was personable and I appreciated his assistant Rossalie .
- 5 out of 5 starsReviewed on 8/30/2024
Muy profesional
- 5 out of 5 starsReviewed on 8/20/2024
Listened to my concerns.
- 5 out of 5 starsReviewed on 8/20/2024
Exceptional care.
- 5 out of 5 starsReviewed on 8/19/2024
Top notch caregivers, all.
- 5 out of 5 starsReviewed on 8/18/2024
He is an excellent surgeon and good human.
- 5 out of 5 starsReviewed on 8/15/2024
Excellent care, addressed all of our concerns
- 5 out of 5 starsReviewed on 7/22/2024
Friendly, informative
- 5 out of 5 starsReviewed on 7/21/2024
He was most helpful. I have a follow up appointment.
- 5 out of 5 starsReviewed on 7/17/2024
He was a good listener and answered all my questions.
- 5 out of 5 starsReviewed on 7/11/2024
Dr. Weiss was very professional and caring.
- 5 out of 5 starsReviewed on 7/4/2024
He is absolutely amazing. He actually listens to the patients, explains all options, and is phenomenal at what he does.
- 5 out of 5 starsReviewed on 6/21/2024
Very knowledgeable and highly recommended doctor.
- 5 out of 5 starsReviewed on 6/18/2024
He thorough in his explanation of the procedure and answered all my questions.
- 5 out of 5 starsReviewed on 6/14/2024
He took such great care of me and addressed my problem and answered all my questions.
- 5 out of 5 starsReviewed on 6/10/2024
Regarding my treatment that is going to start he talked of how it goes before a board of doctors and I like that because several surgeons now I know that support me. I have high confidence I'm going to feel better.
- 5 out of 5 starsReviewed on 5/13/2024
Dr Weiss was informative to both myself and my family
- 5 out of 5 starsReviewed on 4/9/2024
Dr. Weiss I was an excellent doctor. He was genuinely patient and listened to my problem. He asked several questions and took my concerns seriously and you felt heard and that he wanted to help you. He gave me important advice and a thorough examination where I felt safe and comfortable. His eye contact with me and observance was an indicator that assured me he was assessing what he saw and what he heard to help with my diagnosis as well.
- 5 out of 5 starsReviewed on 4/7/2024
He did his usual outstanding job!
- 5 out of 5 starsReviewed on 4/3/2024
Dr. Weiss was amazing. He was on time, and willing to spend the time with me to understand my concerns. He also made what is inherently an uncomfortable exam feel as comfortable/safe as possible. He ensured I was informed, and even walked me out. Highly recommend him.
- 5 out of 5 starsReviewed on 3/2/2024
He is very knowledgeable and gentle. He takes his time and lets you ask questions and gives understandable answers.
- 5 out of 5 starsReviewed on 2/15/2024
Outstanding care
- 5 out of 5 starsReviewed on 2/3/2024
Very thorough and gentle care
- 5 out of 5 starsReviewed on 2/2/2024
He explained everything to me and answered all my questions.
- 5 out of 5 starsReviewed on 1/16/2024
Dr Weiss is the best.
- 5 out of 5 starsReviewed on 11/17/2023
Through and excellent communicator.
- 5 out of 5 starsReviewed on 11/17/2023
Easy to see
- 5 out of 5 starsReviewed on 10/9/2023
He asked direct and pertinent questions and didn't waste my time.
- 5 out of 5 starsReviewed on 10/9/2023
Personable and patient with my questions.
- 5 out of 5 starsReviewed on 10/2/2023
The Doctor listens and he cares and he's always friendly in a good mood.
- 5 out of 5 starsReviewed on 9/25/2023
Friendly and professional
- 5 out of 5 starsReviewed on 9/25/2023
Caring doctor
- 5 out of 5 starsReviewed on 9/12/2023
Genuinely cared about my medical problem.
- 5 out of 5 starsReviewed on 9/8/2023
Listened carefully.
- 5 out of 5 starsReviewed on 8/13/2023
Took the time to go over my medical history and was honest in what could be done about my situation.
- 5 out of 5 starsReviewed on 8/12/2023
Efficient, friendly, business like, answered inquiries and questions.
- 5 out of 5 starsReviewed on 8/10/2023
Knowledgeable
- 5 out of 5 starsReviewed on 8/5/2023
He was very thorough and answered all my questions.
- 5 out of 5 starsReviewed on 7/24/2023
I liked him, they were on time and efficient.
- 5 out of 5 starsReviewed on 6/30/2023
Very knowledgable and sincere in his concern for my well being.
- 5 out of 5 starsReviewed on 6/13/2023
Doctor Weiss was very helpful and friendly every time I see him. He answered all my questions and helped me out 100%. Best doctor you could ever have.
- 5 out of 5 starsReviewed on 6/9/2023
Dr. Jason Weiss explained my issue very well and informed me with the information I needed. I was a little nervous at first but the doctor and the staff made me feel comfortable.
- 5 out of 5 starsReviewed on 5/20/2023
Knowledgeable, communicative, and empathetic.
- 5 out of 5 starsReviewed on 5/20/2023
Very professional.
- 5 out of 5 starsReviewed on 5/5/2023
Very kind, attentive, and professional, answered questions - was well informed, and experienced in the treatment/medicine relevant to my medical needs.
- 5 out of 5 starsReviewed on 4/25/2023
Great bedside manner
- 5 out of 5 starsReviewed on 4/24/2023
He took the time to explain everything in detail and gave me the facts straight up. Very kind. Excellent doctor.
- 5 out of 5 starsReviewed on 4/24/2023
Easy to talk to, very kind to me. very professional.
- 5 out of 5 starsReviewed on 4/6/2023
Dr. Weiss was very kind, gentle, not too invasive but thorough with my care and getting the help I need in a timely manner.
- 5 out of 5 starsReviewed on 3/31/2023
Great reputation and service.
- 5 out of 5 starsReviewed on 3/21/2023
Dr. Weiss was very professional and knowledgeable. He was helpful and answered all my questions. I believe that he has given me excellent advise on the appropriate steps to recovery. This has been echoed by other doctors that I have interacted with since. I am very confident that my care is in good hands with Dr. Weiss.
- 5 out of 5 starsReviewed on 3/10/2023
Very knowledgeable. Treats me well.
- 5 out of 5 starsReviewed on 2/10/2023
Excellent surgeon and thorough examination. Spent adequate time with me and answered my questions. Offered alternative treatment options. Easy to schedule the procedure of my choice.
- 5 out of 5 starsReviewed on 11/11/2024
Very friendly and knowledgeable
- 5 out of 5 starsReviewed on 8/14/2024
I met with Dr. Jason Weiss before surgery was scheduled. He was knowledgeable, confident and experienced, putting me at ease with my diagnosis and upcoming surgery.
- 5 out of 5 starsReviewed on 6/26/2024
Very understanding, informed me in detail as to what the plan of care ws likely to be.
- 5 out of 5 starsReviewed on 2/10/2023
He was professional, knowledgeable, caring.
- 4 out of 5 starsReviewed on 8/19/2024
He was nice and attentive.
- 4 out of 5 starsReviewed on 5/14/2024
He is very pleasant let me know what was going to happen answered any questions I had for him. I felt very comfortable talking to him
Similar Providers
Banner - University Medicine Colon & Rectal Surgery Clinic
1441 North 12th Street, Floor 3, Phoenix, AZ 85006
Banner - University Medicine Colon & Rectal Surgery Clinic
1441 North 12th Street, Floor 3, Phoenix, AZ 85006

