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Maureen O'Donnell-DeBritz

Maureen O'Donnell-DeBritz, MD

Breast Surgical OncologyBreast Surgery

Accepting New Patients

Highlights

Age Groups Seen

  • Adolescent 13-17
  • Young Adult 18-25
  • Adult 26-64
  • Older Adult 65+

Languages

  • English

Gender

Female

Johns Hopkins Affiliations:

  • Johns Hopkins School of Medicine

About Maureen O'Donnell-DeBritz

Professional Titles

  • Breast Surgery Clinical Associate

Johns Hopkins Physician

Logo for Johns Hopkins Physician

Background

Maureen O'Donnell, M.D., is a breast surgeon with the Sullivan Breast Center at Sibley Memorial Hospital and a clinical associate of the Johns Hopkins Department of Surgery-Breast Division. Dr. O'Donnell is a part of the Weekly Breast Tumor Conference at The Johns Hopkins Hospital.

Dr. O'Donnell has expertise in surgery of the breast, including surgical oncology techniques such as breast conserving surgery, nipple sparing and skin sparing mastectomy, and oncoplastic techniques. Dr. O'Donnell is also specialized in diagnosing and managing a wide spectrum of breast diseases, ranging from benign breast issues to breast cancer. She has a special interest in patients with a genetic predisposition to breast cancer.

Dr. O'Donnell earned her medical degree from the University of Illinois College of Medicine and completed a surgical residency at Georgetown University Medical Center. She then completed a fellowship in breast surgical oncology at Johns Hopkins Hospital. 

Dr. O'Donnell is a fellow of the American College of Surgeons, as well as a member of the John Carroll Society, where she previously chaired the Rose Mass Committee. She has participated in the Ride for Life Fundraiser and Sibley Memorial Hospital's Knowledge is Power: Breast Cancer seminars as well. Dr. O'Donnell was also an instructor for the Johns Hopkins Breast Disease Clinpath Conference. 

Dr. O'Donnell has earned the Hugh H. Hussey Excellence in Teaching Award from Georgetown University Medical Center, as well as the Resident "Pearl" Teaching Award and the Pfizer Pharmaceutical Travel Award. She has also received the Attending Teaching Award from Inova Fairfax Hospital.

Dr. O'Donnell's research interests include gene mutations that predispose to breast cancer, as well as contralateral breast cancer risk. She has contributed to publications, presentations and book chapters.

 

To support Dr. O'Donnell's research, visithttps://secure.jhu.edu/form/Odonnell

Recent News Articles and Media Coverage

Research Interests

contralateral breast cancer risk, Gene mutations that predispose to breast cancer

Honors

  • Hugh H. Hussey Excellence in Teaching Award, Georgetown University Medical Center
  • Resident "Pearl" Teaching Award, Georgetown University Medical Center
  • Pharmaceutical Travel Award, Pfizer
  • Attending Teaching Award, Inova Fairfax Hospital

Memberships

  • American College of Surgeons,

    Fellow

  • John Carroll Rose Society,

    Member

Locations

  1. Sibley Memorial Hospital
    • 5275 Loughboro Road Northwest, Building D, Washington, DC 20016
    • Get Directions

Expertise

Education

  • Fellowship: Johns Hopkins University School of Medicine, Breast Surgery, 2016
  • Residency: MedStar Georgetown University Hospital, General Surgery, 2002
  • Medical Education: University of Illinois Chicago College of Medicine, MD, 1997

Board Certifications

  • Surgery (General Surgery): American Board of Surgery, 2003

Insurance

Please contact the location directly to confirm your health plan is accepted.
Search plans
  • Aetna
  • CareFirst
  • Cigna
  • First Health
  • Geisinger Health Plan
  • HealthSmart/Accel
  • Johns Hopkins Health Plans
  • MultiPlan
  • Pennsylvania's Preferred Health Networks (PPHN)
  • Point Comfort Underwriters
  • Private Healthcare Systems (PHCS)
  • Veteran Affairs Community Care Network (Optum-VACCN)

Ratings & Reviews

4.9 out of 5

238 ratings, 123 reviews

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Overall Rating by Patient
Provider Listened Carefully
Provider Explained Things Clearly
Provider Knew Medical History
Provider Showed Respect
Provider Spent Enough Time
Search reviews
    5 out of 5 stars
    Reviewed on 3/17/2026

    Dr O'Donnell is one of the best doctors in Sibley and else where:professional and carying

    5 out of 5 stars
    Reviewed on 3/13/2026

    She is the best surgeon I have ever had and there have been many. She knows how to deal with patients, she is listens to your concerns, is knowledgeable, informative and helpful In every way. Not to mention, she has a great sense of humor which Is often appreciated.

    5 out of 5 stars
    Reviewed on 3/13/2026

    She is warm and empathetic. Explains very clearly. Takes time to listen and understand and I never feel rushed.

    5 out of 5 stars
    Reviewed on 3/13/2026

    My PCP recommended Dr. O'Donnell highly. The Dr. Met All expectations. I will use definately retuned to work with her within her special area of expertise if needed.

    5 out of 5 stars
    Reviewed on 3/12/2026

    Excellent quality of care, highly knowledgeable provider

    5 out of 5 stars
    Reviewed on 3/10/2026

    Very knowledgeable and helpful. A good listener too.

    5 out of 5 stars
    Reviewed on 3/10/2026

    Dr. O'Donnell took the time to explain my condition and to answer all of my questions.

    5 out of 5 stars
    Reviewed on 3/10/2026

    Thanks a lot for your help doctora.

    5 out of 5 stars
    Reviewed on 3/5/2026

    Dr O'Donnell is encouraging and supportive for her patients.

    5 out of 5 stars
    Reviewed on 3/5/2026

    Unbelievably exceptional in every way. Dr. O'Donnell is so skilled, knowledgeable, and compassionate. A wonderful combination in a physician.

    5 out of 5 stars
    Reviewed on 3/3/2026

    I'm deeply grateful for Dr. O'Donnell. She took the time to listen to me, responded with In-depth Information and options that I can consider based on my health goals. .

    5 out of 5 stars
    Reviewed on 3/3/2026

    Maureen was kind and very informative regarding my mammogram

    5 out of 5 stars
    Reviewed on 2/25/2026

    Dr Maureen O'Donnell-DeBritz clearly explained the results of my report. She is friendly, very professional. An excellent surgeon. She is extremely knowledgeable and I trusted her as my surgeon.

    5 out of 5 stars
    Reviewed on 2/20/2026

    I am so grateful for Dr. O'Donnell and her team

    5 out of 5 stars
    Reviewed on 2/19/2026

    Dr. O'Donnell is nice and seems to care about her patients health and wellness.

    5 out of 5 stars
    Reviewed on 2/17/2026

    I think she is an excellent doctor and a very caring and kind person

    5 out of 5 stars
    Reviewed on 2/13/2026

    Dr. Maureen O'Donnell is an amazing doctor and she's very talented and friendly. I'm so grateful for her and her services. She literally saved my life. Highly recommend recommended.

    5 out of 5 stars
    Reviewed on 2/13/2026

    Excellent Surgeon! Caring, Precautions, Thorough with her medical advice!

    5 out of 5 stars
    Reviewed on 2/13/2026

    Dr. O'Donnell is very thorough and has a very good friendly manner.

    5 out of 5 stars
    Reviewed on 2/12/2026

    Clear, concise, discussed multiple options and scenarios, listened to my concerns, spent as much time as was needed, went above and beyond for follow up and surgery scheduling

    5 out of 5 stars
    Reviewed on 2/12/2026

    She's the best.

    5 out of 5 stars
    Reviewed on 2/3/2026

    Dr. Maureen O'Donnell is by far one of the best doctors I've ever had. She is incredibly kind and truly makes her patients her number one priority. I had postponed a surgery I needed because none of the other providers made me feel comfortable or at ease. After just one consultation with Dr. O'Donnell, I knew I would be in excellent hands for my surgery with her and her team

    5 out of 5 stars
    Reviewed on 2/3/2026

    Very knowledgeable, kind and compassionate. An all around wonderful person.

    5 out of 5 stars
    Reviewed on 2/2/2026

    O'Donnell and her team are amzing!!!!

    5 out of 5 stars
    Reviewed on 1/27/2026

    Dr O'Donnell and her team are consistently outstanding. I cannot praise her and her team sufficiently. Over the years. Always THE BEST.

    5 out of 5 stars
    Reviewed on 1/27/2026

    Dr. O'Donnell is first rate in every respect

    5 out of 5 stars
    Reviewed on 1/22/2026

    Dr. O'Donnell was very thorough and explained everything clearly.

    5 out of 5 stars
    Reviewed on 1/22/2026

    Dr O'Donnell is knowledgeable, respectful, and empathetic.. Just perfect!

    5 out of 5 stars
    Reviewed on 1/22/2026

    Excellent doctor, very reliable, giving all information needed

    5 out of 5 stars
    Reviewed on 1/21/2026

    Dr. O'Donnell is an excellent, experienced breast surgeon. She takes the time to listen, she answers questions clearly, and she is easy to talk to. A cancer diagnosis is stressful, and it can be so overwhelming and confusing for the patient - Dr O'Donnell senses that and, in addition to being an excellent doctor, she does her utmost to put one at ease and to be responsive at a challenging time. I highly recommend Dr O'Donnell to anyone facing a breast cancer diagnosis.

    5 out of 5 stars
    Reviewed on 1/20/2026

    Very professional and new latest evidence based practice. Listened very well and explained everything.

    5 out of 5 stars
    Reviewed on 1/20/2026

    Dr. O'Donnell is excellent. She is smart, articulate, wise and kind. Her care of me in this situation and a previous one was outstanding.

    5 out of 5 stars
    Reviewed on 1/20/2026

    Dr. O'Donnell is the best

    5 out of 5 stars
    Reviewed on 1/20/2026

    Fantastic....Excellent

    5 out of 5 stars
    Reviewed on 1/20/2026

    Dr. Maureen DeBritz is an exceptional physician. She's extremely knowledgeable, a very good communicator, patient, Understanding, and has outstanding listening skills. I have always felt very confident in her care.

    5 out of 5 stars
    Reviewed on 1/15/2026

    She gave me a thorough breast exam and explained my problem so as to reschedule the next visit

    5 out of 5 stars
    Reviewed on 1/15/2026

    Dr O'Donnell is top notch and her expertise and knowledge was very valuable and helpful for me and my condition.

    5 out of 5 stars
    Reviewed on 1/8/2026

    She's great! I recommended her to a friend.

    5 out of 5 stars
    Reviewed on 1/8/2026

    Very professional and intelligent and easy to understand

    5 out of 5 stars
    Reviewed on 1/8/2026

    Dr. O'Donnell was kind and patient. She answered all my questions. She even helped me lie down when I got vasal vagal.

    5 out of 5 stars
    Reviewed on 1/8/2026

    Professional and easy to talk with, provides good quality healthcare.

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

    Dr. Maureen seemed super knowledgeable and super thorough. I didn't get a ton of info from her, because she needs to look at images that I provided to her to draw some conclusions, but this is 100% what a good pedicure would do at this point in the process.

    5 out of 5 stars
    Reviewed on 1/2/2026

    Dr. O'Donnell is exceptional in her care and bedside manner. She always investigates the root of every issue in my health.

    5 out of 5 stars
    Reviewed on 12/30/2025

    Exceptional physician who was very informative, thoughtful, receptive to questions and extremely sensitive.

    5 out of 5 stars
    Reviewed on 12/30/2025

    Dr O'Donnell and her team at the Breast Cancer Center have provided excellent, attentive care in the lead-up to my recent surgery, the surgery itself and my recent post-op follow-up appointment.

    5 out of 5 stars
    Reviewed on 12/23/2025

    Very impressed with Dr O'Donnell. She's super smart, knows her stuff inside and out, and has an excellent bedside manner. She explained everything thoroughly and in layman's terms.

    5 out of 5 stars
    Reviewed on 12/23/2025

    Dr O'Donnell is a good listener very personable and puts you at ease. She is very compassionate and competent. Good bedside manner. I really like her. I really liked the plan she came up with me for my special needs.

    5 out of 5 stars
    Reviewed on 12/18/2025

    Very thorough and compassionate. Understood my concerns and gave valuable feedback. A pleasure to work with given my difficult circumstances.

    5 out of 5 stars
    Reviewed on 12/18/2025

    Dr. O'Donnell is excellent. She is very smart, professional and compassionate. I am very lucky to have her.

    5 out of 5 stars
    Reviewed on 12/18/2025

    Dr. O'Donnell has the right mix of empathy and medical explanation. Both are key in a stressful period of a patient's life. Not common for a surgeon, and much appreciated.

    5 out of 5 stars
    Reviewed on 12/16/2025

    2 year follow up for mastectomy. Dr. O'Donnell is a model breast surgeon. Competent, compassionate and caring!

    5 out of 5 stars
    Reviewed on 12/9/2025

    Excellent

    5 out of 5 stars
    Reviewed on 12/4/2025

    Dr. O'Donnell is an excellent doctor who has spent the time with me over the past year to make sure I understand my care options and to help me choose the best path forward. She also was clearly a skilled surgeon, and I had a smooth recovery following my double mastectomy last November. She has a very patient and kind bedside manner, and really spent the time to make sure I understand the benefits and risks associated with different procedures. I can't thank her enough for her care.

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

    Thorough, thoughtful and knowledgeable. Thank you!

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

    Dr. O'Donnell-Debritz is an excellent and caring doctor. I recommend her highly to anyone facing a cancer diagnosis, needing surgery or needing breast health surveillance.

    5 out of 5 stars
    Reviewed on 11/20/2025

    Up best advice. Thanks

    5 out of 5 stars
    Reviewed on 11/20/2025

    Dr. O'Donnell is very professional, kind, thorough and makes you feel heard .

    5 out of 5 stars
    Reviewed on 11/18/2025

    She was thorough, brilliant and gave excellent instructions. She was respectul and friendly in an appropriate way.

    5 out of 5 stars
    Reviewed on 11/18/2025

    Dr. O'Donnell is excellent, She is extremely knowledgeable, caring and compassionate. Her communication skills are outstanding. We are very lucky to have found her.

    5 out of 5 stars
    Reviewed on 11/13/2025

    Excellent doctor

    5 out of 5 stars
    Reviewed on 11/13/2025

    Dr. O'Donnell was incredibly helpful and put my mind at ease from the very start. I felt cared for and immediately felt that I was in the best hands possible for my condition.

    5 out of 5 stars
    Reviewed on 11/13/2025

    Dr.O'Donnell was excellent- friendly- compassionate and really made me feel comfortable at a very stressful time.

    5 out of 5 stars
    Reviewed on 11/7/2025

    Very knowledgeable, very thorough, put me at ease, walked through all possible options and next steps.

    5 out of 5 stars
    Reviewed on 11/7/2025

    Wonderful

    5 out of 5 stars
    Reviewed on 10/30/2025

    Excellent doctor. Knowledgeable, explained things clearly, compassionate .

    5 out of 5 stars
    Reviewed on 10/28/2025

    Dr. O'Donnell is easy to talk too and explains everything throughly .

    5 out of 5 stars
    Reviewed on 10/23/2025

    An excellent doctor who relates to a patient's needs.

    5 out of 5 stars
    Reviewed on 10/16/2025

    She was very informative and extremely kind and patient

    5 out of 5 stars
    Reviewed on 10/9/2025

    Very good doctor, was concerned.

    5 out of 5 stars
    Reviewed on 10/7/2025

    Dr.O'Donnell-Debritz did a thorough exam, she explained the next steps in my care very clearly, she listened, and she addressed all of my questions/concerns.

    5 out of 5 stars
    Reviewed on 10/2/2025

    Dr. O'Donnell was very attentive and kind. She took the time to slowly explain my diagnosis and next steps.

    5 out of 5 stars
    Reviewed on 10/2/2025

    Dr. Maureen O'Donnell is a very friendly and skilled surgeon. She is a joy to visit. I am grateful to have received care from her.

    5 out of 5 stars
    Reviewed on 9/30/2025

    I have been a patient of Dr O'Donnell's for nearly 10 years. She has seen me through the many challenges of breast cancer and operated on me probably more than 5 times for lumpectomies and for 2 mastectomies. She is kind, compassionate and caring. I've always felt I had nothing to fear from breast cancer if I placed my care in her hands. At this point, I only need to see her once a year. But I know she is there and will be there for me if needed.

    5 out of 5 stars
    Reviewed on 9/23/2025

    I appreciate Dr. O'Donnell's postivie attitude and her clear explanations

    5 out of 5 stars
    Reviewed on 9/19/2025

    Great surgeon and great person with whom to interact in an office that's really well run.

    4 out of 5 stars
    Reviewed on 9/18/2025

    Excellent doctor!!

    5 out of 5 stars
    Reviewed on 9/16/2025

    She seemed very warm and fuzzy but felt that she tried to sway me away from my decision to have bilateral mastectomy by repeatedly telling me of potential difficulties with the surgery.

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

    Dr O'Donnell is the the absolute best. This was my final follow up after surgery 5 years ago. And all is well. I'm very grateful and happy for my positive results.

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

    She was excellent, helpful, listened to my concerns and reassuring about my health issues.

    5 out of 5 stars
    Reviewed on 9/2/2025

    Dr. O'Donnell-DeBritz is consummately knowledgeable about breast cancer. Her breadth of knowledge and ability to convey the relevant information about my cancer and the next medical steps was both impressive and reassuring. She seemed very engaged in my care and outcomes. I definitely feel that I am in most capable hands.

    5 out of 5 stars
    Reviewed on 8/26/2025

    Dr O'Donnell is an excellent surgeon who is also personable; she gives you plenty of time to ask questions and provides clear and knowledgeable answers.

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

    Pleasant, competent

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

    Dr. O'Donnell is an amazing person. Professional, patient, kind, good listener.

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

    This was my first visit with Dr. O'Donnell. She explained what needed to be done and she had just the right ""bedside manner"".

    5 out of 5 stars
    Reviewed on 8/19/2025

    The doctor was excellent in all respects. She was knowledgeable, experienced, empathic, very thorough and most importantly I felt she cared about me as a patient; and also, had the patience to explain everything in a very detailed way that I could understand. I would like to thank the Dr. O'Donnell very much for making my visit pleasant and not scary as I thought it would be. I am so grateful.

    5 out of 5 stars
    Reviewed on 8/19/2025

    Dr. O'Donnell is an amazing, caring, and knowledgeable doctor who has great bedside manner. She explains everything thoroughly and makes you feel supported and cared for. She takes her time and answers every question or concerns you may have.

    5 out of 5 stars
    Reviewed on 8/14/2025

    This was second opinion visit.I am happy that I had opportunity to make consultations with Dr. M. O'Donnell and very sorry she couldn't see me earlier because of her busy schedule . I wish she could accommodate my needs for sooner both office and surgery schedule.

    5 out of 5 stars
    Reviewed on 8/7/2025

    It would be helpful if Dr. O' Donnell would speak a bit slower.

    5 out of 5 stars
    Reviewed on 8/7/2025

    Dr. O'Donnell is a very caring and personable surgeon.

    5 out of 5 stars
    Reviewed on 8/7/2025

    Marvelous doctor

    5 out of 5 stars
    Reviewed on 7/31/2025

    Thank you!

    5 out of 5 stars
    Reviewed on 7/25/2025

    Dr. O'Donnell is a wonderful surgeon. She also has a great bedside manner, explaining my condition and tests carefully and patiently, listening intently to my questions, and responding clearly and professionally.

    5 out of 5 stars
    Reviewed on 7/25/2025

    She made me feel very comfortable and confident

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

    She was and is a great Dr , I am very happy to work with her

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

    The best !!

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

    Dr. O'Donnell took her time asking me questions and explaining her advice. She is very personable and patient. I feel confident in her skills and in the treatment plan.

    5 out of 5 stars
    Reviewed on 7/22/2025

    Dr.O'Donnell is easy to talk to and explained things well and thoroughly.

    5 out of 5 stars
    Reviewed on 7/11/2025

    Dr. O'Donnell was the most helpful, knowledgeable and caring physician I have ever met.

    5 out of 5 stars
    Reviewed on 7/10/2025

    Very clear and responsive. Felt in good and knowledgeable hands. Friendly.

    5 out of 5 stars
    Reviewed on 7/1/2025

    Dr O'Donnell was very professional, a great listener, and very empathetic to my health challenges. She has excellent bedside manners.

    5 out of 5 stars
    Reviewed on 6/26/2025

    Professional and caring.

    5 out of 5 stars
    Reviewed on 6/26/2025

    Dr. O'Donnell is by far one of the very best doctors I've ever had. Not only is she a skilled professional, but an effective communicator as well. I've felt heard and cared for every step of the last five years in her care.

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

    Dr. O'Donnell, and entire team, have been very responsive throughout the appointments, procedures and follow up.

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

    I thought the provider took excellent care to answer all of my questions thoroughly and talked to me in a way that was respectful and at a level that I could understand. Given the gravity of my diagnosis (cancer) I was appreciative.

    5 out of 5 stars
    Reviewed on 6/13/2025

    She was excellent!

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

    Dr. O'Donnell is the best. She is very kind, thorough and explains things clearly to me. She is an excellent surgeon and you can hardly see a surgical scar from the lumpectomy she did on my breast to remove cancer.

    5 out of 5 stars
    Reviewed on 5/22/2025

    Dr. O'Donnell was extremely informative, warm bedside manner and seems trustworthy. Her patience while explaining my treatment plan while also writing out hand written notes to send home was unmatched. She took her time and made sure all questions were answered.

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

    Loved Dr O'Donnell- she is hands on, calming and delightful!! Her nurses are kind and supportive!!

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

    The doctor was very helpful; she explained everything about my condition and recommended treatment, and answered all my questions.

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

    Dr O'Donnell is very knowledgeable, thoughtful and caring

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

    A dedicated Doctor who truly cares about her patients.

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

    Excellent medical appointment with Dr. O'Donnell. She spent time with me sharing her clinical recommendations so that I could make an informed decision about next steps in my medical care.

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

    Dr. O'Donnell continues to be an excellent health provider. She gives the highest level of care to her patients, and I would recommend her to anyone needing to undergo breast surgery.

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

    Excelente doctor

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

    Very fortunate to have her

    5 out of 5 stars
    Reviewed on 4/29/2025

    Dr. O'Donnell is wonderful!!

    5 out of 5 stars
    Reviewed on 4/29/2025

    Warm, friendly, clear and thorough communicator. Listens with compassion.

    5 out of 5 stars
    Reviewed on 4/29/2025

    A super doctor.

    5 out of 5 stars
    Reviewed on 4/22/2025

    Excellent doctor. I have great confidence in her care.

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

    She is terrific, clear, thorough, thoughtful

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

    She was very personable, kind and caring.

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

    Dr. O'Donnell is the best! She's very knowledgeable and also very kind.

    5 out of 5 stars
    Reviewed on 4/16/2025

    Excellent provider who eases anxiety with thorough answers to questions.