36 Years of Experience
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. 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, Cigna, UnitedHealthcare 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 and 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, and 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 as a 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 a Cardiologist like Dr. Hsi typically 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. Learn more about our claims-based healthcare methodology here.
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:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
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:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- Abnormal EKG
- Heart Health Tests
- Irregular Electrocardiogram
- Unusual Heart Rhythm Test
- ECG Abnormalities
ICD-10 Codes:
- R9431: Abnormal electrocardiogram [ECG] [EKG]
What procedures does a Cardiologist like Dr. Hsi typically perform?
As a Cardiologist, procedures performed by Dr. David Hsi may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
Please contact Dr. Hsi's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
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
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Medicare
State of Connecticut
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Hsi's office located?
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.
What does a Cardiologist do?
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.
Is this Dr. David Hsi affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hsi is affiliated with Stamford Health, 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
When to see a Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Cardiologist. Explore 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.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>