
Toshinobu Kazui, MD-PhD
CardiologyCardiothoracic SurgeryHeart Transplant SurgeryCardiac Surgery
Highlights
Age Groups Seen
- Teenagers
- Adults
- Geriatrics
Languages
- English
Provider Gender
MaleAbout Toshinobu Kazui and Banner Safety Practices
Care Philosophy
I provide the best medical care possible because I treat every patient as if he or she is a member of my own treasured family.
Specializing In
I undertake adult cardiac surgery (coronary artery bypass grafting, valve repair/replacement, transcatheter aortic valve replacement, aortic aneurysm repair, aortic dissection, etc.), assist devices, extracorporeal membrane oxygenation, and transplant.
Interests & Activities
Surgery is my passion, and I continuously endeavor to enhance my clinical skills and surgical techniques. My beloved wife, two daughters, and son are my heart and joy. We spend as much time together as possible. I also enjoy reading, jogging, and traveling.
Research and Publications
Hospital Affiliations
Banner - University Medical Center South
Banner - University Medical Center Tucson
Preferred Phone Number
520-626-6339
For More Information
Expertise
Education
- Fellowship: Washington University School of Medicine, Cardiothoracic Transplant Surgery, 2014
- Fellowship: Washington University School of Medicine, Research, 2013
- Medical Education: Sapporo Medical University, 1999
Board Certifications
- Thoracic Surgery: American Board of Surgery, 2022
Video
Locations
- Banner - University Medicine North
- 3838 North Campbell Avenue, Building 2, Tucson, AZ 85719
- Banner - University Medicine Multispecialty Clinic
- 3533 Canyon De Flores, Suite C, Sierra Vista, AZ 85650
Testimonials
4.9 out of 5.0
263 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 12/10/2025
He cared about us. He wanted to be sure we understood the procedure and surgical plan. My husband has hearing issues. Dr Kazui was patient with him. He satisfactorily answered our questions.
- 5 out of 5 starsReviewed on 12/5/2025
I was very impressed and very satisfied, and happy with the conversation that we had regarding my condition.
- 5 out of 5 starsReviewed on 12/5/2025
Dr. Kazui is a rock star.
- 5 out of 5 starsReviewed on 12/2/2025
He has a heart and understands what I'm dealing with and is very supportive and caring
- 5 out of 5 starsReviewed on 11/22/2025
Listens, answers questions, not rushed
- 5 out of 5 starsReviewed on 11/19/2025
A sincerely, warm and caring physician
- 5 out of 5 starsReviewed on 11/7/2025
He was very attentive and answered all my questions.
- 5 out of 5 starsReviewed on 11/3/2025
Was very knowledgeable of my medical history. Which made me confident with the care I will get there.
- 5 out of 5 starsReviewed on 10/24/2025
Friendly, caring, informative, answered all my questions.
- 5 out of 5 starsReviewed on 10/24/2025
Competent, clear, friendly
- 5 out of 5 starsReviewed on 10/20/2025
He's great and I trust him to take care of me.
- 5 out of 5 starsReviewed on 10/8/2025
He's highly knowledgeable, kind, and a careful listener. He performed my open heart surgery and I have great respect for his expertise.
- 5 out of 5 starsReviewed on 10/3/2025
Interested in patient and his ability to help!
- 5 out of 5 starsReviewed on 9/19/2025
He was straight forward about my heart issues, caring and calming.
- 5 out of 5 starsReviewed on 9/12/2025
Professionalism. A confidence-inspiring dedication to good outcomes.
- 5 out of 5 starsReviewed on 8/26/2025
He is very thoughtful and was concerned about my husband's welfare.
- 5 out of 5 starsReviewed on 8/15/2025
Very thorough with explanation of my heart issues and the upcoming surgery procedure
- 5 out of 5 starsReviewed on 7/25/2025
Dr Kazui is knowledgeable and trustworthy.
- 5 out of 5 starsReviewed on 7/11/2025
Dr. Kazui has always presented a calm, confident and friendly demeanor in every appointment I've had with him. He also successfully performed surgery for my aFib and mitral valve replacement.
- 5 out of 5 starsReviewed on 5/16/2025
Dr. Kazui was patient and empathetic. He went out of his way to provide important details about my condition.
- 5 out of 5 starsReviewed on 3/21/2025
Great service
- 5 out of 5 starsReviewed on 3/14/2025
He is the best, and explains procedure so I can understand.
- 5 out of 5 starsReviewed on 2/10/2025
Dr. Kazui is superb
- 5 out of 5 starsReviewed on 1/16/2025
Saved my life and very thorough with my follow ups
- 5 out of 5 starsReviewed on 1/16/2025
I think he's a good doctor.
- 5 out of 5 starsReviewed on 11/29/2024
Explained the situation, gave advice about choices and who would address those choices. The entire medical staff was great.
- 5 out of 5 starsReviewed on 11/29/2024
His reputation is impecable
- 5 out of 5 starsReviewed on 11/22/2024
In our first visit, he gave me the confidence and the reassurance that I did not need to fear this very large upcoming surgery. Most importantly, he put myself, my wife and my daughter at ease. He was kind, concerned, soft-spoken, and keenly interested in what I had to say. He answered every question head on with confidence, calmness, and directly.
- 5 out of 5 starsReviewed on 9/25/2024
He is the best-very concerned for me and my family.
- 5 out of 5 starsReviewed on 9/14/2024
Knowledgeable and understandable with good recommendations
- 5 out of 5 starsReviewed on 9/13/2024
Attentive caring and knowledgeable
- 5 out of 5 starsReviewed on 8/24/2024
He was patient, courteous, and professional. He took the time to explain the procedure that I could have as well as to answer all of my questions.
- 5 out of 5 starsReviewed on 8/9/2024
Caring, attentive physician
- 5 out of 5 starsReviewed on 7/26/2024
Very good, thorough surgeon. Excellent communication and follow-up.
- 5 out of 5 starsReviewed on 7/19/2024
His explanation of pending surgery and he had lots of knowledge of my medical history. Took plenty of time to make sure all questions were answered
- 5 out of 5 starsReviewed on 7/13/2024
He is a good surgeon
- 5 out of 5 starsReviewed on 7/8/2024
He made me feel safe and confident. I trust him.
- 5 out of 5 starsReviewed on 6/26/2024
"Dr. Kazui isi incredible. Rare type of physician. I've been around physicians most of my life and he stands head and shoulders above the rest. Knowledgeable, confident, informative, takes his time with you, and has assembled the best team I have ever seen. When other docs and nurses say ""you WANT Dr. Kazui"", you know you have the best."
- 5 out of 5 starsReviewed on 6/14/2024
Explained the procedure very well
- 5 out of 5 starsReviewed on 6/11/2024
Very nice and companionate. Explained everything to us step by step.
- 5 out of 5 starsReviewed on 6/7/2024
Very knowledgeable and professional
- 5 out of 5 starsReviewed on 5/31/2024
He took his time and explained everything.
- 5 out of 5 starsReviewed on 5/19/2024
He was very thorough and attentive, answered all of my questions and made sure I understood my procedure well
- 5 out of 5 starsReviewed on 4/19/2024
He was through and up to speed on my case prior to my appointment
- 5 out of 5 starsReviewed on 1/27/2024
He's very good at everything
- 5 out of 5 starsReviewed on 12/22/2023
He's excellent, explains everything clearly so that I understand. Gives you his full attention.
- 5 out of 5 starsReviewed on 12/1/2023
He is very knowledgeable and compassionate.
- 5 out of 5 starsReviewed on 11/25/2023
He saved my life. He was very patient at the follow up appointment.
- 5 out of 5 starsReviewed on 11/19/2023
He takes the time to make sure we understand the procedures and answer any questions we have.
- 5 out of 5 starsReviewed on 10/20/2023
Explained in detail excellent communication.
- 5 out of 5 starsReviewed on 9/26/2023
DR Kazui was fantastic explaining my surgery, answered all my questions and put me at ease.
- 5 out of 5 starsReviewed on 9/8/2023
First meeting.went well and he was very kind and took time to answer questions.
- 5 out of 5 starsReviewed on 8/21/2023
He didn't leave the room until all of our questions were answered. He is kind, helpful, and answered every concern.
- 5 out of 5 starsReviewed on 8/21/2023
He knows what he is talking about.
- 5 out of 5 starsReviewed on 8/20/2023
Knew my issues and had a plan to address.
- 5 out of 5 starsReviewed on 7/31/2023
Dr K and fellow had reviewed my records prior to the visit so clearly understood my condition and concerns, gave clear explanations, proposed plan of treatment, did not shy away from addressing my fears about the proposed surgery, was compassionate, calm, reassuring.
- 5 out of 5 starsReviewed on 6/30/2023
He seemed interested in my health and care. He was frank but friendly and genuine.
- 5 out of 5 starsReviewed on 6/12/2023
He didn't leave the room until all of our questions were answered. And he was able to quickly draw a diagram to show my husband where the blockages were located. He is very, very patient.
- 5 out of 5 starsReviewed on 6/9/2023
Personable, knowledgeable, thorough, and explained everything.
- 5 out of 5 starsReviewed on 5/17/2023
Concise and knowledgable
- 5 out of 5 starsReviewed on 5/1/2023
He was very knowledgeable about my condition and established a plan to ensure I get the proper treatment.
- 5 out of 5 starsReviewed on 3/13/2023
He came highly recommended by my other doctor.
- 5 out of 5 starsReviewed on 3/12/2023
He genuinely cares and makes sure you understand your treatment.
- 5 out of 5 starsReviewed on 2/25/2023
He didn't hesitate to help me and gave me his valuable time to answer my questions. He is one of a kind.
- 5 out of 5 starsReviewed on 2/24/2023
He is a legend. He is so great at what he does. He saved my husband's life and I would feel 100% comfortable putting any of my family members under his care.
- 5 out of 5 starsReviewed on 2/6/2023
I have confidence in his skill based on meetings and a referral.
- 5 out of 5 starsReviewed on 1/9/2023
His experience and expertise and team are absolutely top notch.
- 5 out of 5 starsReviewed on 12/9/2022
Dr. Kazui is the best heart surgeon along with his excellent staff that does follow ups.
- 5 out of 5 starsReviewed on 8/6/2022
Dr. Kazui was great.
- 5 out of 5 starsReviewed on 2/27/2022
Dr. Kazui and Mallory were very helpful and answered all our questions. I walked away feeling very confident and comfortable .
- 5 out of 5 starsReviewed on 11/10/2025
He appears quite knowledgeable about my concerns and explained things very well.
- 5 out of 5 starsReviewed on 11/22/2024
Professional and knowledgeable
- 5 out of 5 starsReviewed on 3/3/2023
Excellent experience.
- 4 out of 5 starsReviewed on 12/6/2024
My first meeting with him and everything went well.
Similar Providers
Banner - University Medicine North
3838 North Campbell Avenue, Building 2, Tucson, AZ 85719
Banner Cardiovascular Center - Tanque Verde
6365 East Tanque Verde Road, Suite 100, Tucson, AZ 85715

