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John C. Gruendel, MD, FACC

John C. Gruendel, MD, FACC

Optum Provider

Specialty

Cardiovascular Disease

Languages

English

Seeing patients at

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 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

4.9

129 reviews

    • Reviewed on Jun 29, 2026
    • Verified Review

    I amsatisfied and am sure Someone would be happy.

    • Reviewed on Jun 29, 2026
    • Verified Review

    I have recommended Dr. Gruendel to other people because of his professional work ethic both people are very satisfied with him

    • Reviewed on Jun 28, 2026
    • Verified Review

    He knows my history, is friendly and so I feel comfortable talking to him about personal subjects.

    • Reviewed on Jun 15, 2026
    • Verified Review

    He is caring ,friendly and has compassion and he is my Doctor for over 30 years.

    • Reviewed on Jun 11, 2026
    • Verified Review

    He’s Very easy to speak with. He is personable & informative. So easy going

    • Reviewed on Jun 11, 2026
    • Verified Review

    Straight, to the point, thorough. Listens to my concerns.

    • Reviewed on Jun 9, 2026
    • Verified Review

    Very to the point very understanding

    • Reviewed on Jun 9, 2026
    • Verified Review

    Been happy with him all these years. He's always available.

    • Reviewed on Jun 8, 2026
    • Verified Review

    His experience and explanation of medical questions

    • Reviewed on Jun 7, 2026
    • Verified Review

    Dr. Gruendel has a great reputation for being on top of patients issues. He is very forthcoming. I feel safe in his care.

    • Reviewed on Jun 2, 2026
    • Verified Review

    Dr. Gruendel has been my Cardiologist for many years. Dr. Grundel will listen to what I say or questions I ask and provide responses I can understand. I believe his treatment suggestions have helped to keep going. I have and will continue to recommend Dr. Grundel to anyone that may ask.

    • Reviewed on May 31, 2026
    • Verified Review

    Pleasant and knowledeable

    • Reviewed on May 31, 2026
    • Verified Review

    On my last visit Dr. Gruendel did not spend that much time with me.

    • Reviewed on May 29, 2026
    • Verified Review

    Dr. Gruendel is an excellent cardiologist. He has provided treatment to me for years.

    • Reviewed on May 27, 2026
    • Verified Review

    His helpfulness and expertise and understanding of my concerns

    • Reviewed on May 27, 2026
    • Verified Review

    He is a caring dr who knows what he is talking about

    • Reviewed on May 25, 2026
    • Verified Review

    John Gruendel is the best cardiologist I have ever known. He has taken care of my wife and me for over 20+ years, long before Optum, and we hope he takes care of us for the next 20. He is kind, compassionate, and extremely intelligent in his care of us. He is the best!!

    • Reviewed on May 25, 2026
    • Verified Review

    Knowledgeable, courteous and listens.

    • Reviewed on May 24, 2026
    • Verified Review

    I would like to adjust some answers

    • Reviewed on May 24, 2026
    • Verified Review

    John Gruendel is a great Doctor.

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  • About John C. Gruendel, MD, FACC

    Dr. John C. Gruendel provides thoughtful cardiology care for patients with blood pressure concerns, cholesterol imbalances, and arrhythmias. His preventive approach supports patients in achieving and maintaining heart health. He earned his medical degree from New York Medical College and completed cardiology fellowship training at Westchester Medical Center.

    Philosophy of care

    Dr. Gruendel provides individualized heart care focused on quality of life.

    Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    NY, 175379

    Employed or contracted

    Employed

    Network Name

    CareMount

    NPI

    1245201227

  • 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

    • New York Medical College

    Residency

    • Westchester Medical Center

  • Awards and Publications