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Maud L. Lemercier, MD

Maud L. Lemercier, MD

Optum Provider

Specialty

Surgery

Languages

English

Seeing patients at

Monday 8:30 AM - 5:30 PM
Tuesday 8:30 AM - 5:30 PM
Wednesday 8:30 AM - 5:30 PM
Thursday 8:30 AM - 5:30 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed
Hours may vary, please contact to schedule and confirm appointment availability.
Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:30 PM
Wednesday 8:30 AM - 5:30 PM
Thursday 8:30 AM - 5:30 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed
Hours may vary, please contact to schedule and confirm appointment availability.

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

5.0

17 reviews

    • Reviewed on May 18, 2026
    • Verified Review

    Caring and addressed all my questions before and after. If I ever need general surgery again, she will be my first stop.

    • Reviewed on May 18, 2026
    • Verified Review

    TERRIFIC! Would highly recommend

    • Reviewed on May 4, 2026
    • Verified Review

    Dr. Maud is a very caring human being, excellent communicator and very thorough. Everything went precisely as she explained prior to the surgery. It was a great success, including the recovery and healing.

    • Reviewed on May 1, 2026
    • Verified Review

    Performed operation well.

    • Reviewed on Apr 4, 2026
    • Verified Review

    Dr. Lemercier has been very pleasant and professional to deal with, thoroughly discussed the procedure and the process before and after, and the surgery and recuperation went very well.

    • Reviewed on Mar 31, 2026
    • Verified Review

    I would like to thank Dr Lemercier + Staff (Katonah/Mt.Kisco) She was very quick and precise with the procedure I had. I appreciate the reassurance and skill. Thank you, [omitted]

    • Reviewed on Jan 28, 2026
    • Verified Review

    She is very thorough

    • Reviewed on Jan 20, 2026
    • Verified Review

    She is thorough and an excellent communicator.

    • Reviewed on Jan 8, 2026
    • Verified Review

    She is empathetic and caring.

    • Reviewed on Dec 2, 2025
    • Verified Review

    Great doctor!!

    • Reviewed on Nov 30, 2025
    • Verified Review

    Clarity of explanation of treatment, speed of getting an appointment, sense of competence that she exudes.

    • Reviewed on Nov 11, 2025
    • Verified Review

    Friendly and explained everything

    • Reviewed on Nov 8, 2025
    • Verified Review

    Dr Lemercier is a fantastic and down to earth surgeon and practitioner. I would choose her again and again as my surgeon. Made everything super easy to understand and put me at ease.

    • Reviewed on Nov 6, 2025
    • Verified Review

    Well versed in her profession. Introduced herself by her first name and not Dr….. Calm personality. Competency comes through with no problem

    • Reviewed on Sep 23, 2025
    • Verified Review

    Dr. Lemercier is an excellent surgeon, compassionate, and caring. When she is in the examination room, she cares about me, the person, not just me, the patient

    • Reviewed on Sep 15, 2025
    • Verified Review

    Kind and caring and knows her stuff.

    • Reviewed on Sep 7, 2025
    • Verified Review

    Dr. Lemercier is a wonderful Dr. she listened to me and is a very caring person. She is very knowledgeable and kind.

  • About Maud L. Lemercier, MD

    Maud Lemercier, MD, is a board-certified surgeon with expertise across a broad range of general surgical conditions. Her clinical work includes complex abdominal, colorectal, hepatobiliary, and hernia care. Dr. Lemercier earned her medical degree from Temple University and is board-certified by the American Board of Surgery. She is affiliated with Northern Westchester Hospital and has received multiple honors for excellence in surgical care.

    Philosophy of care

    Dr. Lemercier prioritizes clear communication and shared decision-making. She takes time to explain conditions and treatment options, building trusted partnerships focused on each patient's long-term health and well-being.

    Gender

    Female

    Licenses

    NY, 236497

    Employed or contracted

    Employed

    Network Name

    CareMount

    NPI

    1093700031

  • Insurance Accepted

    This list is for informational purposes only and may not reflect the most current plans accepted by the provider. Optum accepts most major health insurance plans. Please contact your insurance company to confirm your coverage, eligibility, and the provider's participation in your plan.

    • 1199
    • Aetna
    • Affinity
    • Anthem BCBS
    • CDPHP
    • CHN
    • Centivo
    • Cigna
    • Coventry
    • EmblemHealth
    • First Health
    • Healthfirst
    • Humana
    • MVP Healthcare
    • MagnaCare
    • Medicaid
    • Medicare
    • MetroPlus
    • MultiPlan
    • NYSHIP
    • Northwell Direct
    • Oscar
    • Oxford
    • TRICARE
    • UMR
  • Medical School

    • Temple University School of Medicine

    Residency

    • University of Connecticut School of Medicine