The 20 Best Inappropriate Sinus Tachycardia (IST) Doctors Near Me in tustin, CA

Find the Top Inappropriate Sinus Tachycardia (IST) Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 265 doctor with experience in Inappropriate Sinus Tachycardia (IST) near tustin, CA. Of these, 244 are Experienced, 19 are Advanced and 2 are Distinguished.

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265 providers found
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Referral may be required

    Pacific Cardiovascular Associates

    35 Creek Rd, 
    Ivrine, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Hohai Van is a Cardiologist practicing medicine in Ivrine, California. Dr. Van is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Angina, Heart Attack, Heart Failure, and Pulmonary Edema. Dr. Van is board certified in Cardiovascular Disease, Interventional Cardiology, and Nuclear Cardiology.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Referral may be required

    Pacific Cardiovascular Associates

    35 Creek Rd, 
    Ivrine, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kenneth Wen is a Cardiologist practicing medicine in Ivrine, California. Dr. Wen is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Angina, and Heart Failure. Dr. Wen is board certified in ABIM - Cardiovascular Disease and Nuclear Cardiology.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Referral may be required

    Pacific Cardiovascular Associates

    35 Creek Rd, 
    Ivrine, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Champion is a Cardiologist practicing medicine in Ivrine, California. Dr. Champion is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Hypertension, and High Cholesterol. Dr. Champion is board certified in ABIM - Cardiovascular Disease and ABIM - Internal Medicine.

    Learn about our expert tiers
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Internal Medicine
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Internal Medicine

    Serve The People Community Health Ctr

    1206 17th St Ste 101, 
    Santa Ana, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Minal Borsada is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Borsada is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Food Allergy, Obesity, and Type 2 Diabetes (T2D). Dr. Borsada is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Family Medicine
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Family Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ana Fajardo is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Fajardo is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, Purpura, and Cirrhosis. Dr. Fajardo is board certified in American Board Of Family Medicine. Dr. Fajardo is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Internal Medicine
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Internal Medicine

    Totalcare Walk-In Clinic

    14775 Jeffrey Rd, 
    Irvine, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Xiao-ling Zhang is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Zhang is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 50 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, High Cholesterol, Papular Urticaria, and Tonsillitis. Dr. Zhang is board certified in American Board Of Internal Medicine. Dr. Zhang is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology | Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology | Cardiology
    Referral may be required

    UCI Health - Tustin

    1451 Irvine Boulevard, 
    Tustin, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ailin El-Farra is an Interventional Cardiologist and a Cardiologist practicing medicine in Tustin, California. Dr. El-Farra is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Coronary Heart Disease, Angina, Short QT Syndrome, Pacemaker Implantation, and Heart Bypass Surgery. Dr. El-Farra is board certified in American Board Of Internal Medicine - Cardiovascular Disease. Dr. El-Farra is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Referral may be required
    1140 West La Veta Avenue, 
    Orange, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jashdeep Dhoot is a Cardiologist practicing medicine in Orange, California. Dr. Dhoot is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Arrhythmias, Fainting, Pacemaker Implantation, and Cardiac Ablation. Dr. Dhoot is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Pediatric Cardiology | Pediatrics
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Pediatric Cardiology | Pediatrics
    Referral may be required

    CHOC CS Cardiology

    1140 W La Veta Ave, Ste 750, 
    Orange, CA 
     (3.5 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 Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). 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 Inappropriate Sinus Tachycardia (IST)
    Pediatric Cardiology | Pediatrics
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Pediatric Cardiology | Pediatrics
    Referral may be required
    505 South Main Street, Suite 600, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anjan Batra is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Orange, California. Dr. Batra is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 65 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Congenital Heart Disease (CHD), Paroxysmal Supraventricular Tachycardia (PSVT), Heart Valve Repair, and Cardiac Ablation. Dr. Batra is board certified in Pediatrics (Sub: Pediatric Cardiology). Dr. Batra is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Pediatric Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Pediatric Cardiology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anthony Mccanta is a Pediatric Cardiologist practicing medicine in Orange, California. Dr. Mccanta is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 73 other conditions, according to our data. His clinical expertise encompasses Congenital Heart Disease (CHD), Tetralogy of Fallot, Arrhythmias, Patent Ductus Arteriosus, and Cardiac Ablation. Dr. Mccanta is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Referral may be required

    Southern California Hospitalist Network Medical Group Inc

    625 The City Dr S, Suite 320, 
    Orange, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ibrahim Helmy is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Orange, California. Dr. Helmy is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Fainting.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Referral may be required

    UCI Health Cardiovascular Center

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

    David Donaldson is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Orange, California. Dr. Donaldson is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Arrhythmias, His Bundle Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), and Pacemaker Implantation. Dr. Donaldson is board certified in American Board Of Internal Medicine - Clinical Cardiac Electrophysiology.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Referral may be required

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (5.0 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 Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). 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.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Referral may be required

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (5.0 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 Inappropriate Sinus Tachycardia (IST). 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 Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Referral may be required

    UCI Health Cardiovascular Center

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

    Michael Rochon-Duck is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Orange, California. Dr. Rochon-Duck is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Arrhythmias, Sick Sinus Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation. Dr. Rochon-Duck is board certified in American Board Of Internal Medicine - Clinical Cardiac Electrophysiology. Dr. Rochon-Duck is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Referral may be required

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (5.0 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 Inappropriate Sinus Tachycardia (IST). 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.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Referral may be required

    UCI Health Cardiovascular Center

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

    Felice Lin is a Cardiologist practicing medicine in Orange, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Pulmonary Edema, Heart Failure, Arrhythmogenic Right Ventricular Cardiomyopathy, Cardiomyopathy, and Percutaneous Coronary Intervention (PCI). Dr. Lin is board certified in American Board Of Internal Medicine - Advanced Heart Failure And Transplant Cardiology, American Board Of Internal Medicine - Internal Medicine, and American Board Of Internal Medicine - Cardiovascular Disease.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology | Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology | Cardiology
    Referral may be required

    UCI Health Cardiovascular Center

    101 The City Drive South, Building 25, 
    Orange, CA 
     (5.0 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 Inappropriate Sinus Tachycardia (IST). 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 Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology
    Referral may be required

    UC Irvine Medical Center

    101 The City Drive South, 
    Orange, CA 
     (5.0 miles away)
    Languages Spoken:
    English, Arabic, French, German
    Offers Telehealth

    Antonio Frangieh is an Interventional Cardiologist practicing medicine in Orange, California. Dr. Frangieh is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Aortic Valve Stenosis, Cardiogenic Shock, Coronary Heart Disease, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

    Showing 1-20 of 265

    Last Updated: 09/26/2026

    When should I see an Inappropriate Sinus Tachycardia (IST) doctor near tustin, 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 Inappropriate Sinus Tachycardia (IST) doctor near tustin, 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 Inappropriate Sinus Tachycardia (IST) doctors near tustin, 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 Inappropriate Sinus Tachycardia (IST) doctors near tustin, 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 Inappropriate Sinus Tachycardia (IST) doctor near tustin, 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 Inappropriate Sinus Tachycardia (IST) doctor search results page. 

    Why is it important to get a second opinion from a different Inappropriate Sinus Tachycardia (IST) 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 Inappropriate Sinus Tachycardia (IST) doctor near tustin, 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 Inappropriate Sinus Tachycardia (IST) 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 Inappropriate Sinus Tachycardia (IST) 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 Inappropriate Sinus Tachycardia (IST) doctors near tustin, CA?

    Look for the filter feature on the left side of the Inappropriate Sinus Tachycardia (IST) 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 Inappropriate Sinus Tachycardia (IST) doctor that offers video calls?

    Look for the filter feature on the left-side of the Inappropriate Sinus Tachycardia (IST) 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. 

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