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James Warneke

James Warneke, MD

4.943 ratings

Surgical Oncology

Video Visit
Accepting New Patients

Highlights

Age Groups Seen

  • Pediatrics
  • Teenagers
  • Adults
  • Geriatrics

Languages

  • English

Provider Gender

Male

About James Warneke and Banner Safety Practices

Care Philosophy

I seek to bring accessible, expert care to each of my patients.

Specializing In

Surgical treatment of malignancies including, melanoma, lymphoma and sarcoma.

Interests & Activities

I enjoy bike riding, hiking and visiting national parks.

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 - University Medical Center South
Banner - University Medical Center Tucson

Preferred Phone Number

520-694-2873

Expertise

Education

  • Fellowship: Roswell Park Cancer Institute, Surgical Oncology, 1989
  • Residency: University of Arizona Health Sciences Center-Neonatology, General Surgery, 1987
  • Internship: University of Arizona Health Sciences Center-Neonatology, Vascular Surgery, 1983
  • Medical School: David Geffen School of Medicine at UCLA, 1982

Board Certifications

  • Surgery (General Surgery): American Board of Surgery, 2024

Video

Locations

  1. University of Arizona Cancer Center
    • 3838 North Campbell Avenue, Building 1, Tucson, AZ 85719
    • Phone:
Need help scheduling? Call 520-694-2873

Testimonials

4.9 out of 5.0

43 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.

Search reviews
    5 out of 5 stars
    Reviewed on 7/23/2026

    De. Warneke is simply amazing. I've had one visit with him so far and his bedside manner, explanation of the processes and condition, as well as his patience and thoroughness are outstanding.

    5 out of 5 stars
    Reviewed on 7/6/2026

    Dr. Warneke has been great with us and we feel perfectly comfortable with the treatment by him and his staff.

    5 out of 5 stars
    Reviewed on 6/15/2026

    Very personable and professional.

    5 out of 5 stars
    Reviewed on 6/1/2026

    Dr Warneke is knowledgeable, kind and compassionate

    5 out of 5 stars
    Reviewed on 11/21/2025

    He is professional and personable plus very experienced.

    5 out of 5 stars
    Reviewed on 11/2/2025

    Dr Warneke was compassionate, respectful, down to earth, and totally present to me and my husband. By that I mean he looked me in the eye and heard what I was saying. He took his time as if he hadn't a care in the world or any other patient waiting in the wings. I have the utmost confidence in him being my oncology specialist.

    5 out of 5 stars
    Reviewed on 11/2/2025

    Seems to be well informed

    5 out of 5 stars
    Reviewed on 10/15/2025

    Very knowledgeable and down to earth talk to me in a way that I understood

    5 out of 5 stars
    Reviewed on 10/15/2025

    Dr Warnecke listens to all my concerns and explains everything in detail.

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

    Care received by Dr. Warneke and Banner was top-notch!

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

    Kind caring, explained things in simple terms.

    5 out of 5 stars
    Reviewed on 9/25/2025

    Great man to talk to, explained everything clearly and showed his respect to me and my parents.

    5 out of 5 stars
    Reviewed on 9/11/2025

    He is compassionate, extremely knowledgeable and did a terrific job with my surgery.

    5 out of 5 stars
    Reviewed on 9/7/2025

    He's very experienced and knowledgeable. He was also very personable and put me at ease while explaining everything clearly. I felt very confident in his skills.

    5 out of 5 stars
    Reviewed on 9/1/2025

    Again, very responsive to my current Melanoma issues and did an excellent job in explaining my options. Dr. Warneke was also very understanding of my past History of Melanoma.

    5 out of 5 stars
    Reviewed on 8/27/2025

    He is very thorough and very nice man

    5 out of 5 stars
    Reviewed on 8/24/2025

    Excellent MD and surgeon

    5 out of 5 stars
    Reviewed on 8/21/2025

    Personable, knowledge, no BS, I'm one of the family

    5 out of 5 stars
    Reviewed on 8/20/2025

    He seems extremely knowledgeable. Has a calm demeanor and explained medical terms very well.

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

    He was compassionate, professional and explained everything that was going to happen and put me at ease.

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

    Incredible doctor who has treated me for 5 years

    5 out of 5 stars
    Reviewed on 8/11/2025

    Excellent Doctor

    5 out of 5 stars
    Reviewed on 8/10/2025

    Very helpful and personable doctor

    5 out of 5 stars
    Reviewed on 8/6/2025

    No nonsense, skilled, explains procedures

    5 out of 5 stars
    Reviewed on 8/2/2025

    Very friendly doctor and explained everything he was doing and made me feel comfortable about what I was going through

    5 out of 5 stars
    Reviewed on 7/27/2025

    Great doctor. Very comfortable to work with

    5 out of 5 stars
    Reviewed on 7/27/2025

    Best skin cancer surgeon in AZ.

    5 out of 5 stars
    Reviewed on 7/24/2025

    He was very good to me and informative.

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

    He is a super nice doctor who explained everything super well.

    5 out of 5 stars
    Reviewed on 6/29/2025

    Dr. Warneke is AWESOME!!

    5 out of 5 stars
    Reviewed on 6/24/2025

    He is an awesome doctor. We loved the personal interactions with him. What nice person!

    5 out of 5 stars
    Reviewed on 6/19/2025

    He got the job done. Removed my cancer and explained it to me

    5 out of 5 stars
    Reviewed on 6/12/2025

    Instilled confidence and competence

    5 out of 5 stars
    Reviewed on 6/12/2025

    Excellence

    5 out of 5 stars
    Reviewed on 6/8/2025

    He engages right away, listens, and responds with the information I want plus more information I didn't know I needed.

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

    He is very experienced, competent and takes the time to explain his opinions and recommendations. In addition, he's very reassuring and personable.

    5 out of 5 stars
    Reviewed on 5/14/2025

    He’s a very skilled surgeon and a compassionate person who really cares.

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

    Our conversation was a neighbor to neighbor level to level. I left knowing my direction

    5 out of 5 stars
    Reviewed on 4/20/2025

    Dr. Warneke is personable, friendly and so quick. He gets right to the point, anticipating my next question and explaining what to expect as healing progresses.

    5 out of 5 stars
    Reviewed on 4/17/2025

    I appreciated his knowledge, kindly manner and the interest he showed for my problem.

    5 out of 5 stars
    Reviewed on 4/17/2025

    I thought he was great. So thankful he went ahead and did my surgery then.

    5 out of 5 stars
    Reviewed on 4/9/2025

    Excellent Dr and so personable

    5 out of 5 stars
    Reviewed on 4/7/2025

    He was very knowledgeable and friendly.

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

    His strong reputation and previous patient comments as well as his positive and straightforward doctoring.

    5 out of 5 stars
    Reviewed on 4/3/2025

    Polite, kept me informed, friendly

    5 out of 5 stars
    Reviewed on 3/16/2025

    He was extremely attentive to my needs and very supportive

    5 out of 5 stars
    Reviewed on 3/13/2025

    Great surgeon and very personable

    5 out of 5 stars
    Reviewed on 3/12/2025

    This doctor is good. Very personal and easy to talk to. Very confident. I like him very much.

    5 out of 5 stars
    Reviewed on 3/11/2025

    He took excellent care of my problem.

    5 out of 5 stars
    Reviewed on 2/24/2025

    He really knows what he's doing.

    5 out of 5 stars
    Reviewed on 2/14/2025

    Dr. Warneke was very professional, kind and caring. He is a happy person that enjoys his job and when you enjoy your job you succeed.

    5 out of 5 stars
    Reviewed on 2/12/2025

    Personable, Extremely knowledgeable very professional.

    5 out of 5 stars
    Reviewed on 2/8/2025

    Dr. Warneke has great interpersonal skills that put me at ease during my visit. He also showed he is extremely knowledgeable in dealing with my issue.

    5 out of 5 stars
    Reviewed on 1/29/2025

    Great doctor!! Compassionate and hands on person.

    5 out of 5 stars
    Reviewed on 1/26/2025

    What a wonderful doctor. I appreciated how he talked and listened to me. He did his job well.

    5 out of 5 stars
    Reviewed on 1/17/2025

    He is personable and caring! Excellent reputation!

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

    He was very friendly, interested in my issue, treated me that day and spent time with me . He also had a wonderful staff and Resident with him. He was very kind

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

    Doctor Warneke is very personable, competent and compassionate.

    5 out of 5 stars
    Reviewed on 1/10/2025

    Dr. Warneke has a very pleasurable bedside manner - he should be cloned!!

    5 out of 5 stars
    Reviewed on 11/14/2024

    He listened

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

    Professional, thorough and informative

    5 out of 5 stars
    Reviewed on 10/20/2024

    He’s a great surgeon and doctor and a caring man.

    5 out of 5 stars
    Reviewed on 10/19/2024

    Very kind, courteous, informative and humorous doctor

    5 out of 5 stars
    Reviewed on 10/7/2024

    He has always been kind, compassionate and explains everything in detail.

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

    I think he is one of the best in his field.

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

    Dr Warneke is very knowledgeable and very patient and explained everything.

    5 out of 5 stars
    Reviewed on 9/15/2024

    A professional. Got me in quickly and resolved quickly

    5 out of 5 stars
    Reviewed on 9/13/2024

    Informative and compassionate.

    5 out of 5 stars
    Reviewed on 9/1/2024

    You get the feeling he really cares about YOU.

    5 out of 5 stars
    Reviewed on 8/25/2024

    James is naturally warm, friendly, knowledgeable and caring.

    5 out of 5 stars
    Reviewed on 8/25/2024

    He took time with me and answered all of my questions.

    5 out of 5 stars
    Reviewed on 8/22/2024

    He was personable, informative and caring, did great follow up and his support staff was great.

    5 out of 5 stars
    Reviewed on 8/19/2024

    Great surgeon

    5 out of 5 stars
    Reviewed on 8/17/2024

    Excellent care

    5 out of 5 stars
    Reviewed on 7/25/2024

    I like him.

    5 out of 5 stars
    Reviewed on 7/15/2024

    Professionalism

    5 out of 5 stars
    Reviewed on 7/3/2024

    Dr. Warneke was calm, informative and reassuring. I arrived highly anxious and left feeling positive about my diagnosis.

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

    So nice, great bedside manner.

    5 out of 5 stars
    Reviewed on 5/27/2024

    In addition to his warm yet professional demeanor, he was very thorough and carefully explained how and why he would be proceeding with my care. He is a thoughtful listener, but also was very engaging and immediately put me at ease. I never felt rushed and he was attentive to my questions and concerns.

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

    He has always kept informed of what the next steps would be and spent the time to answer all my questions related to the surgery and after care

    5 out of 5 stars
    Reviewed on 5/20/2024

    He cares

    5 out of 5 stars
    Reviewed on 5/17/2024

    He appeared very relaxed and listened to all I had to say and ask. He was even very receptive to answering my husbands questions.

    5 out of 5 stars
    Reviewed on 5/17/2024

    James’ social skills combined with his knowledge and dexterity skills make him truly a phenomenal practitioner

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

    I liked how straight forward Dr Warneke was. He listened and responded to all my questions.

    5 out of 5 stars
    Reviewed on 2/11/2024

    Great team— professional and reassuring. I have complete confidence in Drs Warneke and Nallagangula and their teams.

    5 out of 5 stars
    Reviewed on 1/5/2024

    Dr. Warneke and staff were excellent. Dr. Warneke saw me right away with the problem I had encountered.

    5 out of 5 stars
    Reviewed on 10/22/2023

    Dr. Warmeke has taken extraordinary care of me.

    5 out of 5 stars
    Reviewed on 10/9/2023

    Dr. Warnecke treats me individually, not as a number. He is very kind, considerate and explains everything in detail.

    5 out of 5 stars
    Reviewed on 3/19/2023

    Dr. Warneke is a warm, compassionate doctor. He always answers all my questions in a way I understand.

    5 out of 5 stars
    Reviewed on 9/1/2022

    Dr. Warneke is a life saver and having his level of talented doctors and med students available is really important to me. I found AZ Cancer Center when no one else would help me.

    5 out of 5 stars
    Reviewed on 7/16/2026

    Dr. Warneke was very helpful to me not to nervous about the operation. I was even shown pictures of the surgery that showed that they were making sure everything was going all right during the surgery.

    5 out of 5 stars
    Reviewed on 11/25/2025

    Personable, highly recommended by VA staff.

    5 out of 5 stars
    Reviewed on 1/8/2025

    Knowledgeable and caring

    5 out of 5 stars
    Reviewed on 11/18/2024

    Extremely professional and took time to explain thoroughly what I had going on. It was clear he had previously looked at the records and copy of an earlier CT scan before meeting with me.

    5 out of 5 stars
    Reviewed on 11/13/2024

    Good explanations, easy going personality, recommended by friends who are medical

    5 out of 5 stars
    Reviewed on 11/12/2024

    Very knowable.

    5 out of 5 stars
    Reviewed on 11/3/2024

    Answered questions and knowledgeable about the medical situation.

    5 out of 5 stars
    Reviewed on 7/19/2024

    Very pleasant demeanor, respectful and clear with communication.

    5 out of 5 stars
    Reviewed on 4/14/2024

    He's a great, caring doctor.

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