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Mara Posner, DO

Mara Posner, DO

Optum Provider

Specialty

Gastroenterology

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.3

65 reviews

    • Reviewed on May 25, 2026
    • Verified Review

    She's always on point with knowledge, information, and professionalism.

    • Reviewed on May 23, 2026
    • Verified Review

    She great very knowledgeable

    • Reviewed on May 21, 2026
    • Verified Review

    She is compassionate and knowledgeable and takes the time to address all concerns and questions

    • Reviewed on May 9, 2026
    • Verified Review

    Very friendly very thorough. I liked dealing with her.

    • Reviewed on May 7, 2026
    • Verified Review

    She comes highly recommended. She listens and is compassionate.

    • Reviewed on May 3, 2026
    • Verified Review

    I felt very attentive and knowledgeable

    • Reviewed on Apr 30, 2026
    • Verified Review

    She’s always professional and takes the time to listen to me.

    • Reviewed on Apr 17, 2026
    • Verified Review

    She very professional, easy to talk, answered all my questions concerning my health issues.

    • Reviewed on Apr 13, 2026
    • Verified Review

    Explained everything. Professional and personable.

    • Reviewed on Apr 10, 2026
    • Verified Review

    She is very caring and professional answering all my questions and asking me questions about my medication and any stomach issues i may have.

    • Reviewed on Apr 9, 2026
    • Verified Review

    She is a very effective and caring Doctor. She is one of the main reasons I stay with Heath Care Provider

    • Reviewed on Mar 21, 2026
    • Verified Review

    Dr. Posner is always prepared, professional compassionate, she listens, she answers all your questions in a way that you can understand then confirms to make sure that you understand.

    • Reviewed on Mar 19, 2026
    • Verified Review

    Very professional, no nonsense attitude

    • Reviewed on Mar 13, 2026
    • Verified Review

    Dr Posner always addresses my concerns, and is always prepared, I am totally happy with all of my interactions with Dr Posner

    • Reviewed on Mar 12, 2026
    • Verified Review

    Because Dr Posner listens attentively.She shows real compassion and care. I never feel rushed with her.

    • Reviewed on Mar 6, 2026
    • Verified Review

    Very caring and compassionate.

    • Reviewed on Mar 5, 2026
    • Verified Review

    She listened, referred a procedure to find out why I'm having my symptoms

    • Reviewed on Mar 2, 2026
    • Verified Review

    She is an amazing doctor/ gastroenterologist

    • Reviewed on Feb 27, 2026
    • Verified Review

    she is awesome. she is an excellent listener. she is caring, attentive, kind, professional, compassionate, solution-oriented, reasonable. she considers my personal needs and wants in her treatment plan.

    • Reviewed on Feb 25, 2026
    • Verified Review

    Dr Posner has been my doctor for many years, she is compassionate, caring and saved my life. I absolutely trust her!

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  • About Mara Posner, DO

    Mara J. Posner, DO, is a board-certified gastroenterologist who diagnoses and treats conditions affecting the digestive system. She has a special interest in irritable bowel syndrome and women's digestive health. Dr. Posner completed her residency and fellowship training at Thomas Jefferson University and serves as Chief of Gastroenterology at SMA.

    Philosophy of care

    Dr. Posner has always wanted to help people feel better, and being a physician allows her to do that every day. She brings that purpose to caring for patients with digestive health concerns, helping them navigate their health with compassion and a focus on improving their quality of life.

    Gender

    Female

    Board certifications

    American Board of Internal Medicine

    Licenses

    NV, CS18030

    Employed or contracted

    Employed

    Network Name

    OptumCare Network of Nevada

    NPI

    1477765634

    Hospital affiliations

    Southwest Medical Surgery Center