David Hsi, MD

Chief of Cardiology & Co-Director of Heart and Vascular Institute

sh logowhiteMember of the Stamford Health Medical Group

Stamford Health Medical Group

32 Strawberry Hill Court
2nd Floor
Stamford, CT 06902

Main: (203) 276-2323
Fax: (203) 276-2324

Stamford Health Medical Group

75 Holly Hill Lane
Suite 202
Greenwich, CT 06897

Main: (203) 869-6960
Fax: (203) 869-5103

About Me

Dr. David Hsi is a Harvard-trained cardiologist with many years of experience in clinical cardiology. He has special interests in hypertension, coronary artery disease, hypertrophic cardiomyopathy, cardio-oncology, and cardiac imaging. Dr. Hsi has been practicing as a cardiologist at Stamford Health for more than 10 years. Prior to joining Stamford Health, he was chair of cardiology at Deborah Heart & Lung Hospital in New Jersey, where he led a large clinical and teaching program. Dr. Hsi is actively involved in medical education and research at Stamford Health with extensive publications.

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Cardiovascular Disease


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Education & Training


Harvard Medical School

Medical School

Shanghai Medical University


Tufts University School of Medicine

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Published Work

A call to consider an aortic stenosis screening program Ju Young Bae, Arzhang Fallahi, Wayne Miller, Martin B. Leon, Theodore P. Abraham, Sripal Bangalore, and David H. Hsi. Trends in Cardiovascular Medicine. Percutaneous Intramyocardial Septal Radiofrequency Ablation in Patients With Drug-Refractory Hypertrophic Obstructive Cardiomyopathy. JAMA cardiology7(5), 529–538. https://doi.org/10.1001/jamacardio.2022.0259

Mengyao Zhou, Shengjun Ta, Rebecca T. Hahn, David H. Hsi, Martin B. Leon, …… and Liwen Liu. JAMA Cardiol. doi:10.1001/jamacardio.2022.0259 Ultrasound renal denervation for hypertension resistant to a triple medication pill (RADIANCE-HTN TRIO): a randomised, multicentre, single-blind, sham-controlled trial. 

Michel Azizi*, Kintur Sanghvi, ……. David Hsi, Sripal Bangalore, and …… Ajay J Kirtane*, on behalf of the RADIANCE-HTN investigators† Ultrasound renal denervation for hypertension resistant to a triple medication pill (RADIANCE-HTN TRIO): a randomised, multicentre, single-blind, sham-controlled trial. Lancet May 16, 2021 https://doi.org/10.1016/ S0140-

Lu Chen, …… Michael A. Bernstein, Michael I. Ebright, Suzanne Rose, Arzhang Fallahi, Brian Stainken, and David H. Hsi* Front. Cardiovasc. Med., 16 June 2021 | https://doi.org/10.3389/fcvm.2021.684292

Right Ventricular Ejection Fraction Assessed by Three-Dimensional Echocardiography Is Associated with Long-term Adverse Clinical Cardiac Events in Patients with Anthracycline Induced Cardiotoxicity. Yihui Shen, …… Rui Zhao, David H. Hsi, and Leilei Cheng J Am So Echo DOI: https://doi.org/10.1016/j.echo.2022.01.018.

Rui Zhao, Fang Shu, Chujie Zhang, Jinyi Lin, David H. Hsi, and Leilei Cheng. Early Detection and Prediction of Anthracycline-Induced Right Ventricular Cardiotoxicity by 3-Dimensional Echocardiography. JACC: CARDIO ONCOLOGY 2020 (2),13 – 22. 

Lung cancer complicated by pericardial effusion, constriction, and tumor invasion. Andrey Vavrenyuk, MD, Michael Ebright, MD, Salvatore DelPrete, MD, Wayne Miller, MD, Arzhang Fallahi, MD, David D. Yuh, MD, David H. Hsi, MD. American College of Cardiology 2019 Annual Scientific Session, New Orleans, LA. 

Board Certifications

American Board of Internal Medicine,National Board of Echocardiography,American Board of Internal Medicine,American Board of Vascular Medicine


Professional Memberships:

  • Fellow of the American College of Cardiology
  • Fellow of the American Society of Echocardiography

If You Are in Need of Emergency Care, Call 911.

The majority of the physicians on the Stamford Hospital Medical Staff are not employees or agents of the Hospital. They are independent practitioners who have been granted the privilege of using the Hospital's facilities for the care and treatment of their patients. This includes, but is not limited to, emergency department physicians, anesthesiologists, radiologists, surgeons, cardiologists, obstetricians, pathologists and other consultants who may treat patients.

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Blogs I've Written

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