The 20 Best Atrial Septal Defect (ASD) Doctors Near Me in glendora, CA

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

Last Updated: 09/26/2026

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MediFind found 18 doctor with experience in Atrial Septal Defect (ASD) near glendora, CA. Of these, 16 are Experienced and 2 are Advanced.

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

    Sherwin Dela Cruz, M.D.

    1500 Duarte Rd, 
    Duarte,, CA 
     (6.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sherwin Dela is a Cardiologist practicing medicine in Duarte,, California. Dr. Dela is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Familial Ventricular Tachycardia, Inappropriate Sinus Tachycardia (IST), Arrhythmias, and Brugada Syndrome. Dr. Dela is currently accepting new patients.

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

    Pacific Pediatric Cardiology Medical Group, Inc.

    1135 S Sunset Ave, 
    West Covina, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Irving Tessler is a Cardiologist and a Pediatrics provider practicing medicine in West Covina, California. Dr. Tessler is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Heart Murmurs, Ventricular Septal Defects, Truncus Arteriosus, and Coronary Artery Fistula. Dr. Tessler is board certified in American Board Pediatrics. Dr. Tessler is currently accepting new patients.

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

    Chaparral Medical Group Inc

    1866 N Orange Grove Ave, Suite 102, 
    Pomona, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ramanna Merla is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Pomona, California. Dr. Merla is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), Pacemaker Implantation, and Cardiac Ablation.

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

    Global Sleep LLC

    51 N 5th Ave Ste 302, 
    Arcadia, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Georgios Hartas is a Pediatric Cardiologist practicing medicine in Arcadia, California. Dr. Hartas 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 Heart Murmurs, Congenital Heart Disease (CHD), Pulmonary Valve Stenosis, and Pulmonary Supravalvular Stenosis. Dr. Hartas is currently accepting new patients.

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

    Kaiser Permanente PHMCY #554

    1336 Bridgegate Dr, 
    Diamond Bar, CA 
     (9.8 miles away)
    Languages Spoken:
    English

    Martin Nguyen is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Angiosarcoma of the Liver, Meckel's Diverticulum, Cat Scratch Disease, and Esophageal Perforation.

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

    Office

    125 W Huntington Dr, 
    Arcadia, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Parveen Garg is a Cardiologist practicing medicine in Arcadia, California. Dr. Garg is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Atherosclerosis, Peripheral Artery Disease, Carotid Artery Disease, Carotid Artery Surgery, and Cardiac Ablation. Dr. Garg is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Family Medicine
    Experienced in Atrial Septal Defect (ASD)
    Family Medicine
    22716 Mountain Laurel Way, 
    Diamond Bar, CA 
     (10.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yuan Liu is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Liu is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 117 other conditions, according to our data. Her clinical expertise encompasses Lung Adenocarcinoma, Arthritis, Lung Cancer, Tissue Biopsy, and Endoscopy. Dr. Liu is currently accepting new patients.

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

    Foothill Cardiology

    289 W Huntington Dr, 
    Arcadia, CA 
     (10.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Azhil Durairaj is a Cardiologist practicing medicine in Arcadia, California. Dr. Durairaj is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Stable Angina, Metabolic Syndrome, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Durairaj is board certified in American Board Of Internal Medicine. Dr. Durairaj is currently accepting new patients.

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

    Keck Hospital Of USC-Arcadia Treatment

    125 W Huntington Dr Bldg A, 
    Arcadia,, CA 
     (10.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ray Matthews is a Cardiologist practicing medicine in Arcadia,, California. Dr. Matthews is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Atherosclerosis, Aortic Valve Stenosis, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Matthews is currently accepting new patients.

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

    Foothill Cardiology

    289 W Huntington Dr, 
    Arcadia, CA 
     (10.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Raul Roth is a Cardiologist practicing medicine in Arcadia, California. Dr. Roth is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Heart Failure, Pulmonary Edema, and Necrosis. Dr. Roth is board certified in American Board Internal Medicine. Dr. Roth is currently accepting new patients.

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

    California Cardiovascular Care Medical Group, Inc.

    3235 E Colorado Blvd, 
    Pasadena, CA 
     (12.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christakis Christodoulou is a Cardiologist practicing medicine in Pasadena, California. Dr. Christodoulou is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Varicose Veins, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Necrosis. Dr. Christodoulou is board certified in American Board Of Internal Medicine. Dr. Christodoulou is currently accepting new patients.

    Experienced in Atrial Septal Defect (ASD)
    Family Medicine
    Experienced in Atrial Septal Defect (ASD)
    Family Medicine
    5475 Walnut Ave, 
    Chino, CA 
     (12.9 miles away)
    Languages Spoken:
    English

    Jennifer Xu is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Xu is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). Her clinical expertise encompasses Atrial Septal Defect (ASD), Cardiac Tamponade, and Patent Foramen Ovale.

    Experienced in Atrial Septal Defect (ASD)
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Experienced in Atrial Septal Defect (ASD)
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Referral may be required

    Faculty Physicians And Surgeons Of Llusm

    901 San Bernardino Rd, Suite 104and302, 
    Upland, CA 
     (13.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Antoine Sakr is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist practicing medicine in Upland, California. Dr. Sakr is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Transplant, and Cardiac Ablation.

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

    Roger D. Duber D.O. Inc.

    685 N 13th Ave Ste 9, 
    Upland, CA 
     (13.4 miles away)
    Languages Spoken:
    English

    Fatima Hakkak is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Hakkak is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). Her clinical expertise encompasses Juvenile Primary Osteoporosis, Hypertensive Heart Disease, Pediatric Myocarditis, and Necrosis.

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

    Prohealth Partners, A Medical Group, Inc

    685 N 13th Ave, 
    Upland, CA 
     (13.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Larry Chan is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Enlarged Liver, Hypertension, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Chan 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

    Prohealth Partners, A Medical Group, Inc

    685 N 13th Ave, 
    Upland, CA 
     (13.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Samir Samarany is a Cardiologist practicing medicine in Upland, California. Dr. Samarany is rated as an Experienced 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 Aortic Regurgitation, Pediatric Myocarditis, Necrosis, and Coronary Heart Disease. Dr. Samarany is board certified in American Board Of Internal Medicine. Dr. Samarany is currently accepting new patients.

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

    Prohealth Partners, A Medical Group, Inc

    685 N 13th Ave, 
    Upland, CA 
     (13.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hammad Khan is a Cardiologist practicing medicine in Upland, California. Dr. Khan 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 Necrosis, Hypertensive Heart Disease, Apoplexy, and Atherosclerosis. Dr. Khan is board certified in American Board Of Internal Medicine. Dr. Khan is currently accepting new patients.

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

    Balguma, Freddie, M.D.

    630 N 13th Ave, 
    Upland, CA 
     (13.5 miles away)
    Languages Spoken:
    English

    Freddie Balguma is a Cardiologist practicing medicine in Upland, California. Dr. Balguma 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 Double Aortic Arch, Vascular Ring, Heart Murmurs, and Ventricular Septal Defects. Dr. Balguma is board certified in American Board Of Pediatrics.

    Showing 1-18 of 18

    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 glendora, CA?

    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 glendora, CA?

    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 glendora, CA?

    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 glendora, CA?

    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 glendora, CA?

    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 glendora, CA?

    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 glendora, CA?

    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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