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

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

Last Updated: 04/28/2026

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MediFind found 338 doctor with experience in Inappropriate Sinus Tachycardia (IST) near Westminster, CA. Of these, 309 are Experienced, 27 are Advanced and 2 are Distinguished.

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338 providers found
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Advanced in Inappropriate Sinus Tachycardia (IST)

    Chris Tsimerekis M.D. Inc.

    11100 Warner Ave Ste 354, 
    Fountain Valley, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Abdulkareem Sharaf is a Cardiologist practicing medicine in Fountain Valley, California. Dr. Sharaf is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Deep Vein Thrombosis, and Arrhythmias.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology

    OC Cardiovascular Care Inc.

    11180 Warner Ave Ste 457, 
    Fountain Valley, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Tuan Nguyen is an Interventional Cardiologist practicing medicine in Fountain Valley, California. Dr. Nguyen is rated as an Advanced 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 Heart Attack, Inappropriate Sinus Tachycardia (IST), Apoplexy, Low Blood Pressure, and Gastrostomy.

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

    Pacific Cardiovascular Associates

    4281 Katella Ave Ste 109, 
    Los Alamitos, CA 
     (4.9 miles away)
    Experience:
    35+ years
    Languages Spoken:
    English

    Michael Dam is a Cardiologist and an Internal Medicine provider practicing medicine in Los Alamitos, California. He has been practicing medicine for over 35 years. Dr. Dam 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, Atrial Fibrillation, and High Cholesterol. Dr. Dam is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Distinguished in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Distinguished in Inappropriate Sinus Tachycardia (IST)
    Cardiology

    Providence St. Jude Medical Center

    101 E Valencia Mesa Dr, 
    Fullerton, CA 
     (10.0 miles away)
    Languages Spoken:
    English

    Harry Peled is a Cardiologist practicing medicine in Fullerton, California. Dr. Peled is rated as a Distinguished provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Heart Attack, and Pediatric Myocarditis.

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

    T Mai Phan MD Inc.

    9500 Bolsa Ave Ste P, 
    Westminster,, CA 
     (0.5 miles away)
    Languages Spoken:
    English

    Vinh-khiem Nguyen is a Cardiologist practicing medicine in Westminster,, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Sick Sinus Syndrome, Arrhythmias, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Pacemaker Implantation.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology

    Office

    10301 Bolsa Ave Ste 209, 
    Westminster, CA 
     (0.5 miles away)
    Languages Spoken:
    English

    Tao Duong is a Cardiologist practicing medicine in Westminster, California. Dr. Duong is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Angina, Metabolic Syndrome, Coronary Heart Disease, and Atherosclerosis.

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

    Office

    11180 Warner Ave Ste 265, 
    Fountain Valley,, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Harpreet Singh is a Cardiologist practicing medicine in Fountain Valley,, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Heart Attack, and Pacemaker Implantation.

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

    Fountain Valley Cardiology Medical Clinic Inc.

    11100 Warner Ave Ste 268, 
    Fountain Valley, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Shankarlingam Sainath is a Cardiologist practicing medicine in Fountain Valley, California. Dr. Sainath is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Pulmonary Valve Stenosis, Transient Ischemic Attack (TIA), and Gastrostomy.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Experienced in Inappropriate Sinus Tachycardia (IST)
    3356 West Ball Road, Suite 205, 
    Anaheim, CA 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Narayanaiyengar Devaraj is a Cardiologist practicing medicine in Anaheim, California. Dr. Devaraj is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Pediatric Myocarditis, Apoplexy, Pacemaker Implantation, and Gastrostomy. Dr. Devaraj is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Pulmonary Medicine
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Pulmonary Medicine
    3055 West Orange Avenue, Suite 103, 
    Anaheim, CA 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ahmed Badr is a Pulmonary Medicine provider practicing medicine in Anaheim, California. Dr. Badr is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Pneumonia, Hospital-Acquired Pneumonia, Gastrostomy, and Endoscopy. Dr. Badr is currently accepting new patients.

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

    Fountain Valley Regional Hospital And Medical Center

    17100 Euclid St, 
    Fountain Valley, CA 
     (4.5 miles away)
    Languages Spoken:
    English

    Christian Rank is an Emergency Medicine provider practicing medicine in Fountain Valley, California. Dr. Rank is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Gallbladder Disease, Cannabinoid Hyperemesis Syndrome (CHS), End-Stage Renal Disease (ESRD), and Inappropriate Sinus Tachycardia (IST).

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

    California Heart Associates

    18111 Brookhurst St Ste 5100, 
    Fountain Valley,, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Berg is a Cardiologist practicing medicine in Fountain Valley,, California. Dr. Berg is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Atrial Fibrillation, High Cholesterol, and Heart Transplant.

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

    Cardiovascular Care Inc.

    3801 Katella Ave Ste 401, 
    Los Alamitos, CA 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Bruce Vannatta is a Cardiologist practicing medicine in Los Alamitos, California. Dr. Vannatta is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Arterial Embolism, Nasal Flaring, Apoplexy, and Pacemaker Implantation.

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

    Cardiovascular Care Inc.

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

    Adrian Shandling is a Cardiologist practicing medicine in Los Alamitos,, California. Dr. Shandling is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Orthostatic Hypotension, Sitosterolemia, Pacemaker Implantation, and Cardiac Ablation.

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

    Pacific Cardiovascular Associates

    4281 Katella Ave Ste 109, 
    Los Alamitos, CA 
     (4.9 miles away)
    Experience:
    9+ years
    Languages Spoken:
    English

    Shamili Allam is an Internal Medicine provider practicing medicine in Los Alamitos, California. She has been practicing medicine for over 9 years. Dr. Allam is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Atrial Fibrillation, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol. Dr. Allam is board certified in American Board Of Internal Medicine.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology | Pediatrics
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology | Pediatrics

    Pacific Cardiovascular Associates

    681 S Parker Street Ste 100, 
    Orange, CA 
     (6.8 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    Christopher Tan is a Cardiologist and a Pediatrics provider practicing medicine in Orange, California. He has been practicing medicine for over 28 years. Dr. Tan is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Cornelia De Lange Syndrome, Patent Ductus Arteriosus, Ventricular Septal Defects, Kawasaki Disease, and Percutaneous Coronary Intervention (PCI). Dr. Tan is board certified in American Board Of Pediatrics.

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

    Robert A. Ruelaz, MD

    16272 Rascal Ln, 
    Huntington Beach, CA 
     (4.8 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Robert Ruelaz is a Cardiologist and an Internal Medicine provider practicing medicine in Huntington Beach, California. He has been practicing medicine for over 26 years. Dr. Ruelaz is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Dilated Cardiomyopathy (DCM), Cardiomyopathy, Arrhythmias, Pacemaker Implantation, and Cardiac Ablation. Dr. Ruelaz is board certified in American Board Of Internal Medicine.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Advanced in Inappropriate Sinus Tachycardia (IST)
    1712 West Medical Center Drive, 
    Anaheim, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Raveen Arora is a Cardiologist practicing medicine in Anaheim, California. Dr. Arora is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Arrhythmogenic Right Ventricular Cardiomyopathy, Stable Angina, Cardiomyopathy, Pacemaker Implantation, and Heart Bypass Surgery. Dr. Arora is currently accepting new patients.

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

    Pacific Cardiovascular Associates

    710 N Euclid Street Ste 214, 
    Anaheim, CA 
     (6.3 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    David Weinberg is a Cardiologist practicing medicine in Anaheim, California. He has been practicing medicine for over 41 years. Dr. Weinberg is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, High Cholesterol, and Atrial Fibrillation. Dr. Weinberg is board certified in National Board Of Physicians And Surgeons.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiology

    Pacific Cardiovascular Associates

    710 N Euclid Street Ste 214, 
    Anaheim, CA 
     (6.3 miles away)
    Experience:
    34+ years
    Languages Spoken:
    English

    Lamia Dris is a Cardiologist practicing medicine in Anaheim, California. She has been practicing medicine for over 34 years. Dr. Dris is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Sick Sinus Syndrome, Arrhythmias, Familial Progressive Cardiac Conduction Defect, and Cardiomyopathy. Dr. Dris is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 338

    Last Updated: 04/28/2026

    When should I see an Inappropriate Sinus Tachycardia (IST) doctor near Westminster, 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 Westminster, 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 Westminster, 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 Westminster, 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 Westminster, 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 Westminster, 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 Westminster, 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 

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