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

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

Last Updated: 04/28/2026

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MediFind found 114 doctor with experience in Inappropriate Sinus Tachycardia (IST) near Laguna Beach, CA. Of these, 102 are Experienced, 11 are Advanced and 1 are Distinguished.

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114 providers found
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Pulmonary Medicine
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Pulmonary Medicine
    Aliso Viejo, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    George Shahinian is a Pulmonary Medicine provider practicing medicine in Aliso Viejo, California. Dr. Shahinian 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 Lung Nodules, Asthma in Children, Grass Allergy, Gastrostomy, and Hip Replacement. Dr. Shahinian is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Laguna Hills, CA 
     (6.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Inderpal Gujral is a Cardiologist practicing medicine in Laguna Hills, California. Dr. Gujral is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Atrial Fibrillation, Stable Angina, Fainting, and Pacemaker Implantation. Dr. Gujral is currently accepting new patients.

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

    Pacific Cardiovascular Associates

    24022 Calle De La Plata Ste 500, 
    Laguna Hills, CA 
     (6.1 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English

    Scott Ard is a Cardiologist practicing medicine in Laguna Hills, California. He has been practicing medicine for over 23 years. Dr. Ard 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 Heart Murmurs, Atrial Fibrillation, Hypertensive Heart Disease, Atherosclerosis, and Pacemaker Implantation. Dr. Ard is board certified in American Board Of Internal Medicine.

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

    Pacific Cardiovascular Associates

    24022 Calle De La Plata Ste 500, 
    Laguna Hills, CA 
     (6.1 miles away)
    Experience:
    45+ years
    Languages Spoken:
    English

    George Konugres is a Cardiologist and an Internal Medicine provider practicing medicine in Laguna Hills, California. He has been practicing medicine for over 45 years. Dr. Konugres is rated as an Experienced 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 Heart Attack, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Apoplexy. Dr. Konugres is board certified in American Board Of Internal Medicine.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Advanced in Inappropriate Sinus Tachycardia (IST)
    26800 Crown Valley Parkway, Suite 250, 
    Mission Viejo, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Absalom Hepner is a Cardiologist practicing medicine in Mission Viejo, California. Dr. Hepner is rated as an Advanced 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 Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and Angina. Dr. Hepner is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    26800 Crown Valley Parkway, Suite 120, 
    Mission Viejo, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tze Ip is a Cardiologist practicing medicine in Mission Viejo, California. Dr. Ip 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 Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and Aortic Regurgitation. Dr. Ip is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology | Interventional Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology | Interventional Cardiology
    26800 Crown Valley Parkway, Suite 120, 
    Mission Viejo, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Arthur Loussararian is a Cardiologist and an Interventional Cardiologist practicing medicine in Mission Viejo, California. Dr. Loussararian 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 Atrial Fibrillation, Thoracic Aortic Aneurysm, Abdominal Aortic Aneurysm (AAA), and Arterial Embolism. Dr. Loussararian is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Advanced in Inappropriate Sinus Tachycardia (IST)
    26800 Crown Valley Parkway, Suite 120, 
    Mission Viejo, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Miyamoto is a Cardiologist practicing medicine in Mission Viejo, California. Dr. Miyamoto is rated as an Advanced 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 Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and Angina. Dr. Miyamoto is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology | Interventional Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology | Interventional Cardiology
    26800 Crown Valley Parkway, Suite 120, 
    Mission Viejo, CA 
     (6.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Suk is a Cardiologist and an Interventional Cardiologist practicing medicine in Mission Viejo, California. He has been practicing medicine for over 17 years. Dr. Suk is rated as an Advanced 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 Inappropriate Sinus Tachycardia (IST), Ectopic Heartbeat, Fainting, Heart Attack, and Angioplasty. Dr. Suk is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiology
    26800 Crown Valley Parkway, Suite 250, 
    Mission Viejo, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sheri Koplik is a Cardiologist practicing medicine in Mission Viejo, California. Dr. Koplik is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Atrial Fibrillation, Coronary Heart Disease, Atherosclerosis, and Aortic Regurgitation. Dr. Koplik is currently accepting new patients.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology | Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Interventional Cardiology | Cardiology
    26800 Crown Valley Parkway, Suite 250, 
    Mission Viejo, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bennett Cua is a Cardiologist and an Interventional Cardiologist practicing medicine in Mission Viejo, California. Dr. Cua 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 Apoplexy, Adenosine Deaminase 2 Deficiency, Heart Attack, Aortic Regurgitation, and Angioplasty. Dr. Cua is currently accepting new patients.

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

    Office

    Irvine, CA 
     (9.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Daniel Ng Jr is a Cardiologist practicing medicine in Irvine, California. Dr. Ng Jr is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Short QT Syndrome, and Postural Orthostatic Tachycardia Syndrome (POTS).

    Distinguished in Inappropriate Sinus Tachycardia (IST)
    Distinguished in Inappropriate Sinus Tachycardia (IST)

    Pacific Cardiovascular Associates

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

    George Tadros is a Cardiologist practicing medicine in Ivrine, California. Dr. Tadros is rated as a Distinguished provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Heart Attack, Arterial Embolism, Apoplexy, and Inappropriate Sinus Tachycardia (IST).

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

    Gabor Kovacs MD A Medical Corporation

    31852 Coast Hwy Ste 305, 
    Laguna Beach, CA 
     (2.1 miles away)
    Languages Spoken:
    English

    Gabor Kovacs is an Oncologist practicing medicine in Laguna Beach, California. Dr. Kovacs is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Inflammatory Breast Cancer, Chronic Lymphocytic Leukemia (CLL), and Chronic B-Cell Leukemia (CBCL).

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Family Medicine
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Family Medicine
    Aliso Viejo, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Shannon O'connor is a primary care provider, practicing in Family Medicine in Aliso Viejo, California. Dr. O'connor is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, Obesity in Children, Food Allergy, and Seasonal Affective Disorder (SAD). Dr. O'connor is currently accepting new patients.

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

    Laguna Beach Urgent Care Inc

    32341 Coast Hwy, 
    Laguna Beach, CA 
     (4.5 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English

    Marc Shomer is an Ophthalmologist practicing medicine in Laguna Beach, California. He has been practicing medicine for over 22 years. Dr. Shomer 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 Eyelid Bump, Conjunctivitis (Pink Eye), Meibomianitis, and Glaucoma.

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

    Office

    24411 Health Center Dr Ste 550, 
    Laguna Hills, CA 
     (6.1 miles away)
    Languages Spoken:
    English

    Daniel Walters is a Cardiologist practicing medicine in Laguna Hills, California. Dr. Walters is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Unstable Angina, Familial Neurocardiogenic Syncope, Mitral Valve Regurgitation, and Angina.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Experienced in Inappropriate Sinus Tachycardia (IST)
    24411 Health Center Drive, Suite 550, 
    Laguna Hills, CA 
     (6.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ronald Gim is a Cardiologist practicing medicine in Laguna Hills, California. Dr. Gim 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 Atrial Fibrillation, Mitral Valve Regurgitation, Unstable Angina, Pacemaker Implantation, and Heart Bypass Surgery. Dr. Gim is currently accepting new patients.

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

    Office

    33971 Selva Rd Ste 250, 
    Dana Point,, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christine Theard is a Cardiologist practicing medicine in Dana Point,, California. Dr. Theard is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Mitral Valve Prolapse, Idiopathic Edema, Hypertensive Heart Disease, and Familial Neurocardiogenic Syncope.

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

    Office

    2618 San Miguel Dr, 
    Newport Beach, CA 
     (6.8 miles away)
    Languages Spoken:
    English

    Saif Siddiqi is a Vascular Surgeon practicing medicine in Newport Beach, California. Dr. Siddiqi 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 Gallbladder Disease, Pleural Effusion, Pleurisy, and Aicardi-Goutieres Syndrome.

    Showing 1-20 of 114

    Last Updated: 04/28/2026

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