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Dr. David Hsi, MD

Dr. David Hsi, MD

Stamford, CT

36 Years of Experience

Accepting patients
Online booking

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hsi, Cardiologist in Stamford, CT?

    Dr. David Hsi, MD is a Cardiologist, who primarily practices in Stamford, CT with 2 additional practice locations. He has been practicing for over 36 years and is board certified by the American Board of Internal Medicine. Dr. Hsi completed his residency at Boston Va Hlthcare Sys-W Roxbu, Cardiovascular Diseases; Brigham & Women'S Hosp, Cardiovascular Diseases; Newton Wellesley Hosp, Internal Medicine. Dr. Hsi is fluent in English and Chinese, and is currently seeing new patients. Dr. Hsi’s practice accepts Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hsi’s office at (203) 276-2323.

    What are Areas of Expertise for Dr. Hsi?

    Dr. David Hsi, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Hsi empowers patients to confidently navigate their health journey, specializing in Coronary Artery Disease, Heart Valve Disease, Vascular Medicine, or comprehensive wellness support. Serving the Stamford/CT community, Dr. Hsi is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Hsi go to medical school and complete their residency?

    • Residency: Boston Va Hlthcare Sys-W Roxbu, Cardiovascular Diseases; Brigham & Women'S Hosp, Cardiovascular Diseases; Newton Wellesley Hosp, Internal Medicine | Newtonwellesley Hospital

    • Medical School: Shanghai First Med Coll- Shanghai- (Natl Shanghai M C) | Shanghai Medical University, Shanghai First Medical University

    Is Dr. Hsi board certified in Cardiologist?

    Yes, Dr. David Hsi, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Hsi speak?

    Dr. Hsi and their clinical team can communicate with patients in the following languages:

    • Chinese

    • English

    What conditions does Dr. Hsi treat?

    As a Cardiologist, Dr. Hsi diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Hsi. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Heart Palpitations
    • Premature Ventricular Contractions
    • Atrial Fibrillation
    • Arrhythmia
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • PVCs
    • Ventricular Ectopic Beats
    • Skipped Heartbeat (Ventricular)
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • R002: Palpitations
    • I493: Ventricular premature depolarization
    • I4891: Unspecified atrial fibrillation
    • I480: Paroxysmal atrial fibrillation

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified
    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Leaky Mitral Valve
    • Narrowed Aortic Valve
    • Heart Valve Disease
    • Mitral Valve Insufficiency
    • Mitral Regurgitation
    • Aortic Valve Stenosis
    • Tight Aortic Valve

    ICD-10 Codes:

    • I340: Nonrheumatic mitral (valve) insufficiency
    • I350: Nonrheumatic aortic (valve) stenosis

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Thoracic Aortic Widening
    • Dilated Thoracic Aorta
    • Thoracic Aortic Dilation
    • Enlarged Chest Aorta

    ICD-10 Codes:

    • I77810: Thoracic aortic ectasia

    Also known as:

    • Having a Coronary Angioplasty Implant or Graft
    • Angioplasty
    • Coronary stent
    • Heart artery graft
    • Angioplasty device

    ICD-10 Codes:

    • Z955: Presence of coronary angioplasty implant and graft

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Having a Prosthetic Heart Valve
    • Heart Valve Disease
    • Artificial heart valve
    • Mechanical heart valve
    • Bioprosthetic valve

    ICD-10 Codes:

    • Z952: Presence of prosthetic heart valve

    Also known as:

    • Therapeutic Drug Monitoring
    • Drug level testing
    • Medication monitoring
    • Therapeutic drug management

    ICD-10 Codes:

    • Z5181: Encounter for therapeutic drug level monitoring

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Rheumatic Mitral and Tricuspid Valve Disease
    • Heart Valve Disease
    • Streptococcal Infection
    • Rheumatic Heart Valve Disease

    ICD-10 Codes:

    • I081: Rheumatic disorders of both mitral and tricuspid valves

    Also known as:

    • Pre-Procedure Heart Examination
    • Pre-Surgery Cardiac Checkup
    • Heart Health Assessment (Before Procedure)
    • Cardiovascular Clearance Exam

    ICD-10 Codes:

    • Z01810: Encounter for preprocedural cardiovascular examination

    Which procedures does Dr. Hsi perform as a Cardiologist?

    As a Cardiologist, procedures performed by a Dr. David Hsi may include:

    For detailed information, please contact Dr. Hsi's office.

    Does Dr. Hsi accept my insurance?

    Dr. Hsi accepts most major insurance plans. Important: Please call our office at (203) 276-2323 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hsi accept in Stamford, CT?

    Dr. Hsi in Stamford, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Express Scripts

    • Humana

    • Medicare

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hsi's office located?

    Dr. David Hsi's Primary Practice

    32 Strawberry Hill Ave

    Stamford, CT 06902

    (203) 276-2323

    Get Directions

    Dr. David Hsi's Practice 2

    1500 Post Rd

    Darien, CT 06820

    Get Directions

    Dr. David Hsi's Practice 3

    75 Holly Hill Ln Ste 202

    Greenwich, CT 06830

    Get Directions

    Would you like to schedule an appointment with Dr. David Hsi?

    Dr. Hsi has appointments available at his Stamford, CT office, as well as 2 other locations. Please select a location, date, and time below.

    What is Dr. Hsi's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Hsi's National Provider Identifier (NPI) number is 1588616312.

    What common questions do patients ask about Dr. Hsi?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hsi

    What is Dr. David Hsi's specialty?

    Dr. Hsi is a Cardiologist near Stamford, CT. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Hsi to book an appointment today.

    Is this Dr. David Hsi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hsi is affiliated with Stamford Hospital, Greenwich Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Cardiologist?

    Explore Cardiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is David Hsi accepting new patients in Stamford, CT?

    Yes, Dr. David Hsi is accepting new patients at this time.

    Does Dr. David Hsi offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Hsi, or call (203) 276-2323 for more information.

    How can I make an appointment with David Hsi?

    Please contact Dr. Hsi's office at (203) 276-2323 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. David Hsi have?

    Dr. David Hsi is certified by the American Board of Internal Medicine.

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