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Dr. Margaret Sullivan, MD

Dr. Margaret Sullivan, MD

Cardiology*
30+ years of experience

Dr. Margaret Sullivan, MD is a cardiologist in New York, NY and has over 30 years of experience in the medical field. She graduated from Cardinal Stritch College in 1990. She is affiliated with Lenox Hill Hospital. She is accepting telehealth appointments.

4.6 Star Rating
Based on 10 reviews 4.6 Star Rating (10 reviews)

Ascension Medical Group Genesys Heart Center

8 E 83rd St Ste 1B New York, NY 10028
Telehealth available
(212) 772-2971

Hospital Highlight

Dr. Sullivan is affiliated with Lenox Hill Hospital New York, a highly rated and top awarded hospital for cardiology.

At a Glance

  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    America’s 50 Best Hospitals for Cardiac Surgery Award™ • See hospitals
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Dr. Sullivan's Reviews

Likelihood to recommend Dr. Sullivan

4.6

10 ratings
5 Star
90%
90%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
10%
10%

Leave a review

How was your experience with Dr. Sullivan?

Know Before You Go

About Me

biography

Dr. Margaret Sullivan, MD is a cardiologist in New York, NY and has over 30 years of experience in the medical field. She graduated from Cardinal Stritch College in 1990. She is affiliated with Lenox Hill Hospital. She is accepting telehealth appointments.

  • Cardiology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Cardinal Stritch College

    Medical School, 1990
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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  • English

  • French

Focus on ATTR-CM

Locations

Ascension Medical Group Genesys Heart Center

Office8 E 83rd St Ste 1B New York, NY 10028
1

Affiliated Hospitals

  • Lenox Hill Hospital

    100 E 77th St
    New York, NY 10075
    Recipient of 42
    hospital awards

    America’s 50 Best Hospitals for Cardiac Surgery Award™ (2025, 2024)

    Top 5% in the nation for consistently delivering clinical quality

    America’s 100 Best Hospitals for Cardiac Care Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    79%
    Patients said that doctors always listened to them and explained things well

    3% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality