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

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

Last Updated: 09/26/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 56 doctor with experience in Atrial Septal Defect (ASD) near los alamitos, CA. Of these, 41 are Experienced, 14 are Advanced and 1 are Distinguished.

Location
LocationClose
56 providers found
    Experienced in Atrial Septal Defect (ASD)
    Interventional Cardiology
    Experienced in Atrial Septal Defect (ASD)
    Interventional Cardiology
    Referral may be required

    Cardiovascular Care, Inc

    3801 Katella Ave, 401, 
    Los Alamitos, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Arnold Seto is an Interventional Cardiologist practicing medicine in Los Alamitos, California. Dr. Seto 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 Coronary Heart Disease, Apoplexy, Heart Attack, Percutaneous Coronary Intervention (PCI), and Angioplasty. Dr. Seto is board certified in Interventional Cardiology, Critical Care Medicine, Cardiology, Nuclear Cardiology, and Certified Cardiac Device Specialist.

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

    MemorialCare Medical Group - Long Beach

    3828 Schaufele Ave Ste 200, 
    Long Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Shavelle is a Cardiologist practicing medicine in Long Beach, California. Dr. Shavelle is rated as an Experienced 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 Failure, Heart Attack, Atherosclerosis, Percutaneous Coronary Intervention (PCI), and Thrombectomy. Dr. Shavelle 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

    Cardiovascular Care, Inc.

    3801 Katella Ave, 
    Los Alamitos, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Fernando Mendoza is a Cardiologist and a Pediatrics provider practicing medicine in Los Alamitos, California. Dr. Mendoza is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Carotid Artery Disease, Arterial Embolism, and Atherosclerosis. Dr. Mendoza is board certified in American Board Pediatrics. Dr. Mendoza is currently accepting new patients.

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

    Douglas Park

    3828 Schaufele Ave Ste 200, 
    Long Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Khiet Hoang is a Cardiologist practicing medicine in Long Beach, California. Dr. Hoang 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 Heart Failure, Pulmonary Edema, Heart Attack, Pacemaker Implantation, and Aortic Valve Replacement. Dr. Hoang is currently accepting new patients.

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

    Pacific Cardiovascular Associates Medical Group, Inc.

    790 E Willow St, Suite 150, 
    Long Beach, CA 
     (6.4 miles away)
    Languages Spoken:
    English

    David Chun is a Cardiologist and a Pediatrics provider practicing medicine in Long Beach, California. Dr. Chun is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Patent Ductus Arteriosus, Pulmonary Valve Stenosis, Ventricular Septal Defects, and Kawasaki Disease. Dr. Chun is board certified in Pediatric Cardiology.

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

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (10.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jeannette Lin is a Cardiologist practicing medicine in Orange, California. Dr. Lin is rated as a Distinguished provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Tricuspid Atresia, Congenital Heart Disease (CHD), Double Inlet Left Ventricle, Thrombectomy, and Heart Transplant. Dr. Lin is board certified in American Board Of Internal Medicine - Adult Congenital Heart Disease. Dr. Lin 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 Cardiovascular Associates Medical Group, Inc.

    790 E Willow St, Suite 150, 
    Long Beach, CA 
     (6.4 miles away)
    Languages Spoken:
    English

    Christopher Tan is a Cardiologist and a Pediatrics provider practicing medicine in Long Beach, California. Dr. Tan is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Patent Ductus Arteriosus, Cornelia De Lange Syndrome, Ventricular Septal Defects, Kawasaki Disease, and Percutaneous Coronary Intervention (PCI). Dr. Tan is board certified in Pediatric Cardiology.

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

    Pacific Cardiovascular Associates Medical Group, Inc.

    710 N Euclid St, Suite 214, 
    Anaheim, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Wassef Karrowni is a Cardiologist practicing medicine in Anaheim, California. Dr. Karrowni 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 Attack, Coronary Heart Disease, Angina, Angioplasty, and Percutaneous Coronary Intervention (PCI). Dr. Karrowni is board certified in ABIM - Internal Medicine, ABIM - Adult Echocardiography, American Board Of Nuclear Cardiology, and ABIM - Cardiovascular Disease. Dr. Karrowni 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

    MemorialCare Medical Group - Long Beach

    2701 Atlantic Ave, 
    Long Beach, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mohammad Rahimi is a Pediatric Cardiologist practicing medicine in Long Beach, California. Dr. Rahimi is rated as an Experienced 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 Ductus Arteriosus, Ventricular Septal Defects, Heart Murmurs, and Kawasaki Disease. Dr. Rahimi is currently accepting new patients.

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

    Regional Physicians And Associates Inc

    1974 Santa Fe Ave, 
    Long Beach, CA 
     (8.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sen Lai is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Lai 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 Hypertensive Heart Disease, Enlarged Liver, Pediatric Myocarditis, Necrosis, and Gastrostomy. Dr. Lai is board certified in American Board Of Internal Medicine and Internal Medicine. Dr. Lai 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

    Kaiser Foundation Health Plan

    9449 Imperial Hwy, 
    Downey,, CA 
     (8.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joseph Mares is a Pediatric Cardiologist practicing medicine in Downey,, California. Dr. Mares is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Congenital Heart Disease (CHD), Heart Murmurs, Ventricular Septal Defects, and Myocarditis. Dr. Mares is currently accepting new patients.

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

    California Heart Associates

    18111 Brookhurst St, 
    Fountain Valley, CA 
     (9.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hoang Nguyen is a Cardiologist practicing medicine in Fountain Valley, 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 12 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Angina, Heart Attack, Pacemaker Implantation, and Atherectomy. Dr. Nguyen is board certified in American Board Of Internal Medicine. Dr. Nguyen is currently accepting new patients.

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

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (10.5 miles away)
    Languages Spoken:
    English, Korean
    Accepting New Patients
    Offers Telehealth

    Jin Kim is a Cardiologist practicing medicine in Orange, California. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Mitral Valve Regurgitation, Coronary Heart Disease, Angina, Heart Failure, and Pacemaker Implantation. Dr. Kim is board certified in American Board Of Internal Medicine - Internal Medicine. Dr. Kim is currently accepting new patients.

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

    CHOC CS Cardiology

    1140 W La Veta Ave, Ste 750, 
    Orange, CA 
     (12.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nafiz Kiciman is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Orange, California. Dr. Kiciman is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Patent Ductus Arteriosus, Ventricular Septal Defects, Mixed Gonadal Dysgenesis, and Turner Syndrome. Dr. Kiciman is board certified in Pediatrics (Sub: Pediatric Cardiology) and Pediatrics (Sub: Neonatal-Perinatal Medicine). Dr. Kiciman is currently accepting new patients.

    Advanced in Atrial Septal Defect (ASD)
    Cardiology | Interventional Cardiology
    Advanced in Atrial Septal Defect (ASD)
    Cardiology | Interventional Cardiology
    Referral required

    Martin Luther King Jr. Community Medical Group

    12021 Wilmington Ave, 
    Los Angeles, CA 
     (12.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Olcay Aksoy is a Cardiologist and an Interventional Cardiologist practicing medicine in Los Angeles, California. Dr. Aksoy is rated as an Advanced provider by MediFind in the treatment of Atrial Septal Defect (ASD). He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Aortic Valve Stenosis, Mitral Stenosis, Pulmonary Hypertension, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Aksoy is board certified in Internal Medicine (Sub: Interventional Cardiology), American Board Of Internal Medicine, Internal Medicine (Sub: Cardiovascular Disease), and Internal Medicine. Dr. Aksoy is currently accepting new patients.

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

    Martin Luther King Jr-Harbor Hospital

    12021 Wilmington Ave, 
    Los Angeles,, CA 
     (12.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sion Roy is a Cardiologist practicing medicine in Los Angeles,, California. Dr. Roy 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 Atherosclerosis, Coronary Heart Disease, Inappropriate Sinus Tachycardia (IST), Percutaneous Coronary Intervention (PCI), and Hormone Replacement Therapy (HRT). Dr. Roy is currently accepting new patients.

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

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (10.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Pranav Patel is an Interventional Cardiologist and a Cardiologist practicing medicine in Orange, California. Dr. Patel is rated as an Experienced 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 Coronary Heart Disease, Angina, Heart Attack, Atherectomy, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Patel is board certified in American Board Of Internal Medicine - Interventional Cardiology. Dr. Patel is currently accepting new patients.

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

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (10.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Byron Allen is a Cardiologist practicing medicine in Orange, California. Dr. Allen is rated as an Experienced 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 Coronary Heart Disease, Atrial Fibrillation, Angina, Arrhythmias, and Pacemaker Implantation. Dr. Allen is board certified in American Board Of Internal Medicine - Internal Medicine and American Board Of Internal Medicine - Cardiovascular Disease. Dr. Allen is currently accepting new patients.

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

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (10.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dawn Lombardo is a Cardiologist practicing medicine in Orange, California. Dr. Lombardo is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), Pulmonary Edema, and Angina. Dr. Lombardo is board certified in American Board Of Internal Medicine - Advanced Heart Failure And Transplant Cardiology. Dr. Lombardo is currently accepting new patients.

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

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (10.5 miles away)
    Languages Spoken:
    English, Polish
    Accepting New Patients
    Offers Telehealth

    Irmina Gradus-Pizlo is a Cardiologist practicing medicine in Orange, California. Dr. Gradus-Pizlo is rated as an Experienced provider by MediFind in the treatment of Atrial Septal Defect (ASD). She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Attack, Heart Transplant, and Heart Bypass Surgery. Dr. Gradus-Pizlo is board certified in American Board Of Internal Medicine - Advanced Heart Failure And Transplant Cardiology and American Board Of Internal Medicine - Cardiovascular Disease. Dr. Gradus-Pizlo is currently accepting new patients.

    Showing 1-20 of 56

    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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 

    Read more about our Content Policy.