Dr. Jennifer K. O'Neill, M.D., F.A.C.S. is Board Certified by the American College of Surgeons. For the past 18 years, her practice has specialized exclusively in benign and malignant diseases of the breast. She founded Arizona Breast Consultants with the specific intention of giving her patients a higher, more comprehensive understanding of their disease process, provided in a compassionate, caring manner. She has been a member of the American Society of Breast Surgeons and is active on the ethics and educational committees.

Dr. O'Neill attended the University of Tennessee Medical School (Memphis), followed by the University of Illinois, Peoria for her Surgical Internship. Her General Surgery residency training was finished at Michigan State University. The next six years were spent in private practice in rural Virginia performing the entire gamut of general surgery, which was a life goal.

In 2000 Dr. O'Neill entered a Hepatobiliary Fellowship at the University of Virginia to expand her training. However, three months prior to completing this advanced training, her mother was diagnosed with terminal breast cancer after having had early stage disease many years before. This life-changing event lead Dr. O'Neill to shift her focus to breast cancer, and it has been her passion from that moment on. She finished the next 9 months studying breast surgery exclusively and subsequently accepted a faculty position at Vanderbilt University prior to moving to Arizona.

She is married and has 2 boys actively serving in the United States Army. Her hobbies are hiking, photography, gardening, and road trips through the beautiful backroads of Arizona.

Professionally, her CV includes:
-Fellow, American College of Surgeons
-Member, American Society of Breast Surgeons
  Ethics Committee
  Education Committee
-Member, American society of Breast Disease
  Vice Chair, Consensus Committee
-Member, American Society of Women Surgeons
-Mission work with Food for the Hungry

Patient Testimonials:

Jackie R. - "Dr. O'Neill is one of the BEST Doctors/Surgeons I've ever been to!! I had to have a minor procedure done in her office and was completely nervous about it but she made my experience so fun and distracted me from my nerves by her wonderful conversation while she completed the procedure. By one visit with her I was able to experience what a wonderful woman she is in her profession and as a human being. Her office staff are super awesome and make you feel completely welcomed and engaged from the moment you walk in. The office is beautifully decorated and the music is so nice and it smells so good!! I felt like I visited a spa when I actually went for an in-office procedure. By far, the BEST I've ever experienced for an appointment I was so nervous about."

Rebecca D. - "There are not adequate words to express my gratitude and admiration for Dr Jennifer O'neill. She has been a lifesaver (literally) to my family TWICE now. First with myself in 2011 with Breast Cancer and just recently with a child that had a suspicious breast mass. BOTH times she has been professional, compassionate, knowledgeable about the best paths of treatment as well as for best routes for insurance coverage to minimize expense to us and just over all AMAZING!! (Staff included) I have been in the medical field for decades, surgeons have a history of less than inviting bed side manners however this is NOT the case with Dr O'neill. Her warmth and compassion for your well being is unmistakable! If anything you may be overwhelmed on her compassion for your well being. ( because you just don't experience it often with surgeons) She articulates well all your personal options for your unique situation, her professional advice from experience and then allows you the time and opportunity to formulate your own choice. She also includes and respects your spouse in regards to questions and concerns they have. This was really big for my husband! Of all the doctors during my cancer experience she was the ONLY one who gave the respect he deserved as a main support and partner to me! Not only do I refer her to anyone and everyone but I would even work for her if I had the opportunity! I'm that impressed! I will continue to refer... You will NOT be disappointed with your experience with her!!"

Sue C. - "Dr. O'Neill is unique physician. She is an excellent surgeon who not only helps you with the physical aspects of breast cancer, but also helps you with the psychological aspects of fighing breast cancer. Anyone who is unfortunate to have this diagnosis, will soon learn that the cure is not merely to the breast but to your mind and whole self. I received hugs when I needed them the most, as well as timely referrals, expertise and advice. Selecting Dr. Oneill was the best decision that I made"

Katie M. - "I absolutely love Dr. O'Neill! She is the most caring surgeon I know! She listens to what you say and doesn't rush you! And explains everything in plain English!"

Tina - "If I could give Dr. O'Neill 100 stars, I would in a heartbeat. Every little detail about her is top notch - her bedside manner, her approach to treating you, her office. But what clearly shines with Dr. O'Neill is her heart - she cares. She makes you feel comfortable from the moment she steps inside the room and begins to interface with you. You're never a number but a real person. I can't say enough about her and will travel from Chandler to Avondale to keep within her care. Thank you Dr!"

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