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John Davis, MD

John Davis, MD

John Davis, MD

Breast Surgical Oncology

Contact Dr. Davis: 


  • College: University of Illinois at Champaign-Urbana - Champaign, IL
  • Medical SchoolMedical College of Wisconsin - Milwaukee, WI
  • Residency: Creighton University School of Medicine - Phoenix, AZ
  • Fellowship: Mayo Clinic - Rochester, MN
  • Board Certification: American Board of Surgery 

Dr. Davis is a fellowship-trained breast surgeon specializing in benign and malignant diseases of the breast. He focuses on a multidisciplinary team approach which encompasses the entire care of the patient from their initial diagnosis until complete post-operative recovery. He has a clinical interest in the adolescent population, lympho-venous bypass, minimally-invasive surgical techniques, and oncoplastic reconstruction.

He was born and raised in Chicago, IL and completed undergraduate training at the University of Illinois at Urbana-Champaign. Subsequently, he attended the Medical College of Wisconsin followed by General Surgery Residency at Creighton University School of Medicine in Phoenix, Arizona. Dr. Davis completed his prestigious Breast Surgical Oncology Fellowship at the Mayo Clinic in Rochester, Minnesota.

Dr. Davis is an editor for various journals with over 50 publications including oral and poster presentations. He is the leading author of several manuscripts focusing on advanced-stage breast cancer, idiopathic granulomatous mastitis, and the management of adolescent breast masses. He strives to raise the bar in the advancement of breast cancer management and technology.

In addition, he is the Director of the Breast Surgery Division of the Dignity Health Surgical Residency Program. He has a pivotal role in the community as the Medical Director for the Breast Cancer Screening program for the entire State of Arizona. As the lead breast surgeon for the Multidisciplinary Breast Tumor Board, he has a special interest in the management of complex breast cases. He is involved in enrolling patients in national research studies and clinical trials. His love of outdoor activities and warm weather has drawn him to the Southwest where he currently resides and practices.

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Comprehensive Breast Center of Arizona

Patient Reviews:

"I’m not a patient being treated but a spouse. I have to admit, one of the worst feelings is knowing your loved one is going through this fight and there’s not a lot you can do to take away the illness, pain, and discomfort. As my wife’s husband I was there to support her and try to learn as much as possible so I can be informed and help her through her journey. With that being said, Dr John Davis and his team were amazing, compassionate, and supportive to both my wife and myself. They allowed any and all questions and took the time to make sure we understood each step of the way. Dr Davis and his team have outstanding bedside manner, which seems to be a lost art now a days. I would highly recommend putting your life in the hands of this team if you find yourself needing this type of care!" -Evan

"Dr. Davis and his team are the best people I have ever dealt with. Dr. Davis make sure you are well aware of what is going on with your body and how he is going to take care of it. If you need a care team after him he has great referrals. Dr. Davis does amazing work and makes your situation as best as it can be. I’m so blessed I was referred to him." -Branna

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