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Mark E. Lieb, MD

Mark E. Lieb, MD

Optum Provider

Specialty

Cardiovascular Disease

Languages

English

Seeing patients at

Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:00 PM
Wednesday 8:30 AM - 5:00 PM
Thursday 8:30 AM - 5:00 PM
Friday 8:30 AM - 5:00 PM
Saturday Closed
Sunday Closed
Please contact the clinic directly to schedule and confirm appointment availability.

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

5.0

114 reviews

  • Mar 29, 2026
    Verified Review

    Dr Lieb is very capable of explaining my health assessments and advising how to stay healthy via exercide, diet, medicine, and periodic checkups.

  • Mar 29, 2026
    Verified Review

    Dr. is a great doctor. He listens carefully and gives feedback.

  • Mar 28, 2026
    Verified Review

    He is detailed, caring kind helpful. He takes good care of my heart health including blood pressure and general well being. I am[omitted] years old and in other departments-sickly

  • Mar 27, 2026
    Verified Review

    Great at communicating information.

  • Mar 26, 2026
    Verified Review

    Attentive and had reviewed my files and tests prior to appointment. So adjustments that need to be done were discussed and implemented

  • Mar 26, 2026
    Verified Review

    Excellent doctor. Personable, highly professional. Very good care.

  • Mar 23, 2026
    Verified Review

    Caring , thoughtful and thorough

  • Mar 21, 2026
    Verified Review

    Caring and thorough. Great personality

  • Mar 19, 2026
    Verified Review

    He is the best

  • Mar 19, 2026
    Verified Review

    He is a caring wonderful doctor

  • Mar 16, 2026
    Verified Review

    Professionalism, medical knowledge, and thoroughness

  • Mar 14, 2026
    Verified Review

    Friendly, knowledgable, accommodating.

  • Mar 14, 2026
    Verified Review

    Already got my sister to see him.

  • Mar 12, 2026
    Verified Review

    Caring, detailed excellent doctor

  • Mar 11, 2026
    Verified Review

    professional, knowledgeable and friendly

  • Mar 10, 2026
    Verified Review

    Have Not developed a relationship as I have only seen about 5 times. Have the PA as it wa s hard to see Lieb.

  • Mar 10, 2026
    Verified Review

    very thorough

  • Mar 5, 2026
    Verified Review

    Excellent knowledge of my situation and history. Listens to my questions and provides answers which I can understand.

  • Mar 3, 2026
    Verified Review

    Dr Lieb has been my cardiologist for the past 6 years. He is a knowledgeable, thorough and caring doctor. I trust him totally with my health.

  • Feb 28, 2026
    Verified Review

    knowledgable.Professional,Kind,The Best

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  • About Mark E. Lieb, MD

    Award-winning cardiologist Mark E. Lieb, MD, provides exceptional care for patients with hypertension, elevated cholesterol, and cardiac rhythm disorders. His patient-centered approach emphasizes education and cardiovascular disease prevention. He earned his medical degree from Boston University and completed advanced cardiology training at Mount Sinai. Dr. Lieb has been recognized by Best Doctors in America, Castle Connolly, and regional publications.

    Philosophy of care

    He emphasizes prevention, education, and personalized cardiovascular care.

    Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    NY, 180753

    Employed or contracted

    Employed

    Network Name

    CareMount

    NPI

    1619921749

  • Insurance accepted

    This may not reflect all insurance accepted by the provider and is for informational purposes only.

    • 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

    • Boston University School of Medicine

    Residency

    • Mount Sinai Hospital