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Francis J. O'Brien, MD, Facp, Facc

Francis J. O'Brien, MD, Facp, Facc

Optum Provider

Specialty

Cardiovascular Disease

Languages

English

Seeing patients at

Monday 6:30 AM - 6:00 PM
Tuesday 6:30 AM - 6:00 PM
Wednesday 6:30 AM - 6:00 PM
Thursday 6:30 AM - 6:00 PM
Friday 6:30 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

4.9

213 reviews

  • Mar 30, 2026
    Verified Review

    He is a great doctor

  • Mar 28, 2026
    Verified Review

    He cares for both me and my husband. He's very thorough and interested in our health and well-being. We're very pleased to have him as our cardiologist.

  • Mar 28, 2026
    Verified Review

    Dr.O'B consistently takes time to explain everything. He answers questions and addresses my issues with caring concern.

  • Mar 27, 2026
    Verified Review

    Very good doctor. Everything done by the book. Feel time is of the essence with a 15 minute window. Could be more personable.

  • Mar 27, 2026
    Verified Review

    An MD devoted to the care of his family. Confidence in his knowledge and judgment

  • Mar 25, 2026
    Verified Review

    Very helpful and explained things clearly and answered all of my questions.

  • Mar 24, 2026
    Verified Review

    not open to cutting edge options and only recommended what's available at the office like stress test he was very professional and polite nice doctor . thank you for the time . it is like some like vanilla some chocolate .

  • Mar 23, 2026
    Verified Review

    I’d rate him 11

  • Mar 22, 2026
    Verified Review

    I think he is an excellent diagnostician . I need a doctor that doesn't seem rushed and gives his patients adequate time.

  • Mar 21, 2026
    Verified Review

    He’s an excellent doctor , some of my other Drs send their family to him . What better than that !

  • Mar 21, 2026
    Verified Review

    Dr. O'Brien is thorough, caring and informed about my case. He takes time to discuss it with me and whoever is accompanying me.

  • Mar 21, 2026
    Verified Review

    Excellent, diligent, caring, well organized and timely

  • Mar 20, 2026
    Verified Review

    Knowledgeable, compassionate, low key

  • Mar 20, 2026
    Verified Review

    Dr O’Brien has saved my life several times.

  • Mar 20, 2026
    Verified Review

    He was knowledgeable

  • Mar 19, 2026
    Verified Review

    My complete satisfaction is only with Dr. O'Brien and his staff at 37th and First Avenue. He and his staff are the best in your practice in Manhattan!

  • Mar 19, 2026
    Verified Review

    Excellent care

  • Mar 16, 2026
    Verified Review

    He explained what he was foing.

  • Mar 15, 2026
    Verified Review

    excellent doctor

  • Mar 13, 2026
    Verified Review

    appears tro be a knowledgable doc

Page 1 of 11
  • About Francis J. O'Brien, MD, Facp, Facc

    Francis J. O'Brien, MD, is a board-certified cardiologist. He completed medical training at Harvard Medical School and NYU Langone Medical Center.

    Philosophy of care

    Dr. O'Brien focuses on comprehensive cardiovascular care and prevention.

    Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    NY, 157747

    Employed or contracted

    Employed

    Network Name

    CareMount

    NPI

    1336148717

  • 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

    • Harvard Medical School

    Residency

    • New York University