Mary Ahn, MD

Mary Ahn, MD

4.9 
891 ratings  Read Reviews
Northwestern Medicine logoNorthwestern Medical Group

Primary Specialty

Breast Surgery

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Practice Website

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Practice Focus Areas

This medical professional has a particular interest or expertise in:

  • Breast Cancer in Men
  • Breast Cancer in Pregnant Women
  • Breast Cancer in Young Women
  • High Risk Breast Disease and Risk Assessment
  • Image Guided Breast Biopsy
  • Mastectomy, Nipple Sparing
  • Partial Mastectomy
  • Sentinel Lymph Node Biopsy

Education

Medical Education:
MD, Loyola University Stritch School of Medicine - 1995
Residency:
Loyola University Medical Center - 2000
Fellowships:
Cleveland Clinic Foundation - 2001

Board Certifications

  • American Board of Surgery - Surgery (Certified)

Faculty Profile

Clinical Assistant Professor, Feinberg School of Medicine

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Practice Groups and Affiliations

Medical Group:
Northwestern Medical Group
Alignment Category:
Northwestern Medicine Physician Network
On Medical Staff At:
Central DuPage Hospital
Delnor Hospital

Ratings and Reviews

At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.

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Overall Rating

4.9
4.9 

891 Ratings

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Reviews from Patients

57 Reviews

Reviews from Patients

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57 Reviews

April 24, 2025

5.0

Very good explanation and it gave me a lot of confidence

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April 24, 2025

5.0

She is so informative and really was knowledgeable about my situation did not rush our appointment, and informed me step by step what to expect.

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April 24, 2025

5.0

Compassionate, professional and Efficient

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April 23, 2025

5.0

I feel confident under the care of Dr. Ahn. She gave me a thorough explanation of pathology findings, my treatment options and next steps. She is decisive, caring, a good listener. My lumpectomy surgery also went well without complications.

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April 18, 2025

5.0

Dr. Ahn is excellent. I grateful to her for proactively recommending lumpectomy which unexpectedly did result in confirmed cancer diagnosis. She is thorough, compassionate, excellent listener, and I feel confident under her care. .

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April 18, 2025

5.0

Excellent knowledge and spent a lot of time explaining the different options.

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April 18, 2025

5.0

She is an excellent doctor and good advisor.

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April 11, 2025

5.0

Very patient and thorough explaining my diagnosis and procedures going forward

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April 09, 2025

5.0

Very nice and knowledgeable.

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March 24, 2025

5.0

She is the best.

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March 13, 2025

5.0

Dr. Ahn answers all questions and goes above and beyond to make me always feel comfortable.

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March 12, 2025

5.0

Dr. Ahn exhibits and shares all the qualities one needs in a physicisn during a time of medical crisis. All my wuestions were carefully and thoughtfully answered and Dr. Ahn's meticulous explanation of my condition and the plan for surgery, recivery and treatment was reassuring. She has my complete trust in and admiration of her excellence. She is kind and honors a patient's need and right to be fully informed. A wonderful oerson!

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March 11, 2025

5.0

Dr. Ahn was everything you would want in a surgeon! I am extremely grateful to have had Dr. Ahn as my surgeon and I would recommend her highly to anyone!!!

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March 06, 2025

5.0

She not only deals with your surgical problem but considers how it affects your psychological aspect.

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March 04, 2025

5.0

Although a 14 year breast cancer survivor this is my first time meeting Dr. Ahn, as my previous surgeon is retired. I now have a new breast issue, and I find Dr Ann to be very thorough, kind, attentive and proactive to my concerns. Very pleased to be under her care.

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March 02, 2025

5.0

She was very kind and put me at ease. Her exam was thorough. She explained everything I needed to know about my concern.

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February 27, 2025

5.0

Great care, skill, knowledge and empathy! Wonderful experience all around!

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February 27, 2025

5.0

She's very straightforward & is honest about what she thinks about the particular situation the patient is dealing with!!! She's a wonderful Dr!

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February 27, 2025

5.0

Dr. Ahn is an amazing professional and person. She was througogh during my visits and procedures. I would highly recommend her

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February 19, 2025

5.0

Dr Ahn was professional with a clear delivery. This is what your biopsy showed and this is what we are going to do. And these are the possibilities. She was serious with a comforting sense of humor. I felt well taken care of.

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February 16, 2025

5.0

Dr. Ahn was wonderful. She patiently explained everything and helped me to feel at ease.

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February 12, 2025

5.0

Regarding my initial office visit, Dr Ahn made me feel I was in very capable hands. She was friendly, answered questions, explained things, and was not in a hurry .

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February 10, 2025

5.0

Very open to any question and explained all procedures

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February 01, 2025

5.0

She took the time to explain my procedure and answer my questions

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January 31, 2025

5.0

Dr. Ahn is an excellent surgeon. The scar from my breast surgery is barely visible. She is smart, through and caring. You are in good hands with this doctor.

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January 27, 2025

5.0

Outstanding surgeon

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January 15, 2025

5.0

Her attention to detail and how she really connected with me.

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January 14, 2025

5.0

Listened. Gave recommendations. Easy to converse with. I didn't feel rushed.

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December 20, 2024

5.0

Dr Ahn could not have been more genuine, caring, compassionate and thorough. The score of 10 isn't high enough!

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December 18, 2024

5.0

Knowledgeable, skilled, informative, understanding care

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December 18, 2024

5.0

Dr Mary Ahn is extremely professional and helpful

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December 13, 2024

5.0

Excellent at her job

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December 12, 2024

5.0

Very knowledgeable, perfect doctor and allays patient anxiety with her detailed explanations, and expectations

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December 12, 2024

5.0

I had a very positive experience with Dr Ahn from the beginning of my cancer care journey with her & highly recommend her

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November 18, 2024

5.0

Dr. Mary Ahn is very knowledgeable and caring. She has a great bedside manner as well as a good sense of humor. She answered all my questions thoroughly some even before I asked. Because of her expertise, my surgery went very well with her at the helm. I have already recommended her to my friends.

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November 18, 2024

5.0

Very professional,weighted out all the options and only recommended what was really needed.

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November 11, 2024

5.0

I have a tremendous amount of confidence in the care she delivers.

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November 06, 2024

5.0

friendly and very professional

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November 02, 2024

5.0

She has been outstanding!

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October 28, 2024

5.0

Same reasons as above. Explains everything, answers all question of the matter at hand.

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October 25, 2024

5.0

Wonderful surgeon. See comments above.

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October 22, 2024

5.0

Dr. Ahn has taken excellent care of me!

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October 08, 2024

5.0

Dr. Ahn is simply amazing. She was very personable and genuine my first meeting with her and clear on explaining my diagnosis and options. Leading up to my surgery she quickly answered any questions I had. I had a very successful mastectomy due to her!

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October 02, 2024

5.0

She understands the patient.

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October 02, 2024

5.0

She is just fantastic... Straight forward... made me feel at ease... Would highly recommend her.

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October 01, 2024

5.0

Was honest, professional, informative, friendly, was made to feel comfortable and listen to.

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September 30, 2024

5.0

I like visiting with Mary Ahn, MD. She is very knowledgeable and she willingly responds to my questions when appropriate to do so. I like visiting with her. Dr. Ahn always ask questions of me concerning how I feel regarding the breast surgery I had. She also advised me of the new representatives coming on board the Breast Surgery team.

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September 29, 2024

5.0

Dr. Ahn is warm and is aware of her patients She listens to them.

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September 23, 2024

5.0

Dr. Ahn is very knowledgeable on the topic of breast cancer. She has a pleasant manner and a good sense of humor that was comforting to me. She was very clear in explaining the situation, surgery, and follow-up treatment. I would definitely recommend her to my friends and family.

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September 21, 2024

5.0

Dr Ahn is very knowledgeable and experienced. She performed a double lumpectomy on me, and 6 months later I have no issues. She is also has a very compassionate manner and is easy to talk to.

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September 21, 2024

5.0

Calm and caring. Willing to answer questions

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September 21, 2024

5.0

Dr. Ahn came highly recommended by everyone I asked about her. She did not disappoint. She explained everything clearly and concisely, she answered all my questions. I feel like I am in the best hands possible.

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September 20, 2024

5.0

See above. She also took time to explain things.

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September 17, 2024

5.0

Dr. Ahn is an amazing surgeon. She's very thorough and is always running on time! I didn't have any complications after surgery and I healed nicely and fast. My recovery was super fast and I was comfortable knowing that her team was easy to reach via the app and my experience was very positive.

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September 16, 2024

5.0

She did a great job on my breast surgery and has been very informative and also friendly. Puts you at ease. Would definitely recommend her to others.

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September 15, 2024

5.0

Made my stay comfortable and they care

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September 09, 2024

5.0

Dr Ahn took the time to explain everything and answered all my questions, sometimes multiple times as I asked the same questions. She also thanked me numerous times for having a mammogram.

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Disclosures

Mary Ahn, MD reported no external professional relationships for calendar year 2024.

External Professional Relationships

Pharmaceutical, device, and biotechnology companies frequently collaborate with basic scientists and physicians within an academic medical center to help advance science and improve patient care. These relationships are important in achieving scientific breakthroughs and in establishing the effectiveness and safety of promising new therapies. In order to assure objectivity in clinical research and patient care, the Northwestern University Feinberg School of Medicine (Feinberg), Northwestern Memorial HealthCare, Children's Hospital of Chicago Medical Center, and the Shirley Ryan AbilityLab have adopted integrity policies that require research and clinical faculty (in full-time, part-time, and unpaid/voluntary categories) to report compensated and uncompensated external industry relationships. Patients are encouraged to discuss these disclosures with their physician as well as to inquire as to how these relationships are overseen by Feinberg. To learn more about our Disclosure and Professional Integrity Policy, and the conflict of interest policies of our joint affiliate survey partners, please go to our Office for Regulatory Affairs Policies page.

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HealthBeat

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From having chemotherapy while pregnant to a double mastectomy postpartum, Christine Kump is determined to beat breast cancer.

 More HealthBeat Articles