The 20 Best Atrial Septal Defect (ASD) Doctors Near Me in commack, NY

Find the Top Atrial Septal Defect (ASD) Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 57 doctor with experience in Atrial Septal Defect (ASD) near commack, NY. Of these, 49 are Experienced, 5 are Advanced and 3 are Distinguished.

Location
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57 providers found
    Distinguished in Atrial Septal Defect (ASD)
    Interventional Cardiology | Cardiology
    Distinguished in Atrial Septal Defect (ASD)
    Interventional Cardiology | Cardiology
    Referral may be required

    Northwell Health Physician Partners Cardiology At Huntington Hospital

    270 Park Avenue, 
    Huntington, NY 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lawrence Ong is an Interventional Cardiologist and a Cardiologist practicing medicine in Huntington, New York. Dr. Ong is rated as a Distinguished provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Patent Foramen Ovale, Atrial Septal Defect (ASD), Mitral Valve Regurgitation, Patent Foramen Ovale Repair, and Aortic Valve Replacement. Dr. Ong is board certified in American Board Of Internal Medicine, American Board Of Internal Medicine/Interventional Cardiology, and American Board Of Internal Medicine/Cardiovascular Disease. Dr. Ong is currently accepting new patients.

    Advanced in Atrial Septal Defect (ASD)
    Advanced in Atrial Septal Defect (ASD)
    Referral may be required

    Island Cardiovascular Associates Of NY PC

    496 Smithtown Byp Ste 101, 
    Smithtown,, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jyoti Ganguly is a Cardiologist practicing medicine in Smithtown,, New York. Dr. Ganguly is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Heart Attack, Patent Foramen Ovale, and Atrial Septal Defect (ASD). Dr. Ganguly is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Family Medicine | Geriatrics
    Experienced in Atrial Septal Defect (ASD)
    Family Medicine | Geriatrics

    Northwell Health Physician Partners Family Medicine At Smithtown

    9 Brooksite Drive, 
    Smithtown, NY 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alfred Belding is a primary care provider, practicing in Family Medicine and Geriatrics in Smithtown, New York. Dr. Belding is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Belding is board certified in American Board Of Family Medicine and American Board Of Family Medicine/Geriatric Medicine.

    Learn about our expert tiers
    Advanced in Atrial Septal Defect (ASD)
    Advanced in Atrial Septal Defect (ASD)
    Referral may be required

    Office

    496 Smithtown Byp, 
    Smithtown, NY 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Abhay Malhotra is a Cardiologist practicing medicine in Smithtown, New York. Dr. Malhotra is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Mitral Valve Regurgitation, Atherosclerosis, and Coronary Heart Disease.

    Distinguished in Atrial Septal Defect (ASD)
    Distinguished in Atrial Septal Defect (ASD)
    Referral may be required

    Southbay Cardiovascular Assoc PC

    540 Union Blvd, 
    West Islip,, NY 
     (9.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Janice Mccormack is a Cardiologist practicing medicine in West Islip,, New York. Dr. Mccormack is rated as a Distinguished provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 35 other conditions, according to our data. Her clinical expertise encompasses Atrial Tachycardia, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Multifocal Atrial Tachycardia, and His Bundle Tachycardia. Dr. Mccormack is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Stony Brook Children's Advanced Pediatric Care

    500 Commack Rd Ste 104, 
    Commack, NY 
     (0.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kathleen Walsh-Spoonhower is a Pediatric Cardiologist practicing medicine in Commack, New York. Dr. Walsh-Spoonhower is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). Her clinical expertise encompasses Congenital Heart Disease (CHD), Patent Ductus Arteriosus, Heart Murmurs, and Ventricular Septal Defects. Dr. Walsh-Spoonhower is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Stony Brook Pulmonary Hypertension Center

    500 Commack Rd Ste 203, 
    Commack,, NY 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Howard Novotny is a Cardiologist practicing medicine in Commack,, New York. Dr. Novotny is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Aortic Regurgitation, Pediatric Myocarditis, Vasculitis, Cardiac Ablation, and Pacemaker Implantation. Dr. Novotny is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Cardiology
    Experienced in Atrial Septal Defect (ASD)
    Cardiology
    Referral may be required

    St. Catherine Of Siena Diagnostic Imaging

    500 Commack Rd, 
    Commack,, NY 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    On Chen is a Cardiologist practicing medicine in Commack,, New York. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Apoplexy, Atrial Fibrillation, Ventricular Tachycardia, Angioplasty, and Cardiac Ablation. Dr. Chen is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Internal Medicine
    Experienced in Atrial Septal Defect (ASD)
    Internal Medicine

    East Northport Medical Care PLLC

    554 Larkfield Rd Ste 101, 
    East Northport, NY 
     (1.9 miles away)
    Languages Spoken:
    English

    Amir Herman is a primary care provider, practicing in Internal Medicine in East Northport, New York. Dr. Herman is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Anemia, Nasal Flaring, and Male Genital Sores.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Suffolk Heart Group LLP

    260 E Main St Ste 214, 
    Smithtown,, NY 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Happes is a Cardiologist practicing medicine in Smithtown,, New York. Dr. Happes is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Arterial Embolism, Carotid Artery Disease, Angina, Coronary Heart Disease, and Atherectomy. Dr. Happes is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Experienced in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Referral may be required

    Cohen Children's Northwell Health Physician Partners Pediatric Specialists At Smithtown

    222 Middle Country Road, Suite 106, 
    Smithtown, NY 
     (5.8 miles away)
    Languages Spoken:
    English, Hindi, Punjabi, Urdu
    Accepting New Patients

    Rohit Talwar is a Pediatric Cardiologist practicing medicine in Smithtown, New York. Dr. Talwar is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Pulmonary Valve Stenosis, Pulmonary Supravalvular Stenosis, and Bicuspid Aortic Valve. Dr. Talwar is board certified in American Board Of Pediatrics/Pediatric Cardiology. Dr. Talwar is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Experienced in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Referral may be required

    Cohen Children's Northwell Health Physician Partners Pediatric Specialists At Smithtown

    222 Middle Country Road, Suite 106, 
    Smithtown, NY 
     (5.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Marion Rose is a Pediatric Cardiologist practicing medicine in Smithtown, New York. Dr. Rose is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Congenital Mitral Malformation, Heart Murmurs, Bicuspid Aortic Valve, and Interrupted Aortic Arch. Dr. Rose is board certified in American Board Of Pediatrics/Pediatric Cardiology. Dr. Rose is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Experienced in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Referral may be required

    Cohen Children's Northwell Health Physician Partners Pediatric Specialists At Smithtown

    222 Middle Country Road, Suite 106, 
    Smithtown, NY 
     (5.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Barry Goldberg is a Pediatric Cardiologist practicing medicine in Smithtown, New York. Dr. Goldberg is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Congenital Mitral Malformation, Heart Murmurs, Bicuspid Aortic Valve, and Pulmonary Atresia. Dr. Goldberg is board certified in American Board Of Pediatrics/Pediatric Cardiology and American Board Of Pediatrics. Dr. Goldberg is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Northwell Health Physician Partners Cardiology At Deer Park

    1630 Deer Park Avenue, 
    Deer Park, NY 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Abraham Schneider is a Cardiologist practicing medicine in Deer Park, New York. Dr. Schneider is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Atherosclerosis. Dr. Schneider is board certified in American Board Of Internal Medicine/Cardiovascular Disease. Dr. Schneider is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Office

    3001 Express Dr N Ste 200B, 
    Islandia,, NY 
     (6.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kathleen Stergiopoulos is a Cardiologist practicing medicine in Islandia,, New York. Dr. Stergiopoulos is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Atrial Fibrillation, Catecholaminergic Polymorphic Ventricular Tachycardia, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Stergiopoulos is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Northwell Health Physician Partners Cardiology At Bay Shore

    39 Brentwood Road, Suite 101, 
    Bay Shore, NY 
     (8.4 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients

    Azhar Supariwala is a Cardiologist practicing medicine in Bay Shore, New York. Dr. Supariwala is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Aortic Valve Stenosis, Coronary Heart Disease, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Supariwala is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Cardiovascular Disease. Dr. Supariwala is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Internal Medicine
    Experienced in Atrial Septal Defect (ASD)
    Internal Medicine

    Northwell Health Physician Partners Internal Medicine At Bay Shore, 250 East Main Street

    250 East Main Street, 2nd Floor, 
    Bay Shore, NY 
     (8.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Edward Hallal is a primary care provider, practicing in Internal Medicine in Bay Shore, New York. Dr. Hallal is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Hallal is board certified in American Board Of Internal Medicine.

    Experienced in Atrial Septal Defect (ASD)
    Experienced in Atrial Septal Defect (ASD)
    Referral may be required

    Northwell Health Physician Partners Adult & Pediatric Cardiology At Woodbury

    43 Crossways Park Drive West, 1st Floor, 
    Woodbury, NY 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sarit Cohen is a Cardiologist practicing medicine in Woodbury, New York. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). Her clinical expertise encompasses Cor Pulmonale, Eisenmenger Syndrome, Atrioventricular Septal Defect, and Atrial Fibrillation. Dr. Cohen is currently accepting new patients.

    Distinguished in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Distinguished in Atrial Septal Defect (ASD)
    Pediatric Cardiology
    Referral may be required

    Office

    232 Barnum Ave, 
    Port Jefferson,, NY 
     (13.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sean Levchuck is a Pediatric Cardiologist practicing medicine in Port Jefferson,, New York. Dr. Levchuck is rated as a Distinguished provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Atrial Septal Defect (ASD), Double Outlet Right Ventricle, Bicuspid Aortic Valve, and Heart Murmurs. Dr. Levchuck is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Family Medicine
    Experienced in Atrial Septal Defect (ASD)
    Family Medicine

    Endoscopy OB/GYN At HMG PLLC

    180 E Pulaski Rd, 
    Huntington Station, NY 
     (5.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lisa Baker is a primary care provider, practicing in Family Medicine in Huntington Station, New York. Dr. Baker is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). Her clinical expertise encompasses Vitamin D Deficiency, Sitosterolemia, Arrhythmogenic Right Ventricular Cardiomyopathy, and Atrial Septal Defect (ASD).

    Showing 1-20 of 57

    Last Updated: 09/26/2026

    What is the definition of Atrial Septal Defect (ASD)?

    Atrial septal defect (ASD) is a heart defect that is present at birth (congenital).

    As a baby develops in the womb, a wall (septum) forms that divides the upper chamber into a left and right atrium. When this wall does not form correctly, it can result in a defect that remains after birth. This is called an atrial septal defect, or ASD.

    When should I see an Atrial Septal Defect (ASD) doctor near commack, NY?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing an Atrial Septal Defect (ASD) doctor near commack, NY?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Atrial Septal Defect (ASD) doctors near commack, NY?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Atrial Septal Defect (ASD) doctors near commack, NY?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with an Atrial Septal Defect (ASD) doctor near commack, NY?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Atrial Septal Defect (ASD) doctor search results page. 

    Why is it important to get a second opinion from a different Atrial Septal Defect (ASD) doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with an Atrial Septal Defect (ASD) doctor near commack, NY?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Atrial Septal Defect (ASD) doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Atrial Septal Defect (ASD) doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Atrial Septal Defect (ASD) doctors near commack, NY?

    Look for the filter feature on the left side of the Atrial Septal Defect (ASD) doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find an Atrial Septal Defect (ASD) doctor that offers video calls?

    Look for the filter feature on the left-side of the Atrial Septal Defect (ASD) doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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