The 20 Best Inappropriate Sinus Tachycardia (IST) Doctors Near Me in Longmont, CO

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

Last Updated: 04/28/2026

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MediFind found 36 doctor with experience in Inappropriate Sinus Tachycardia (IST) near Longmont, CO. Of these, 33 are Experienced and 3 are Advanced.

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36 providers found
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology

    Colorado Heart Vascular PC

    2030 Mountain View Ave Ste 220, 
    Longmont, CO 
     (0.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Parth Makker is a Cardiac Electrophysiologist practicing medicine in Longmont, Colorado. Dr. Makker 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 Atrial Fibrillation, Paroxysmal Supraventricular Tachycardia (PSVT), Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Cardiac Ablation, and Pacemaker Implantation. Dr. Makker is board certified in American Board Of Internal Medicine. Dr. Makker is currently accepting new patients.

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

    Colorado Heart Vascular PC

    2030 Mountain View Ave Ste 220, 
    Longmont, CO 
     (0.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ganesh Venkataraman is a Cardiac Electrophysiologist practicing medicine in Longmont, Colorado. Dr. Venkataraman is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Heart Failure, Familial Progressive Cardiac Conduction Defect, Trabeculectomy, and Pacemaker Implantation. Dr. Venkataraman is board certified in American Board Of Internal Medicine. Dr. Venkataraman is currently accepting new patients.

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

    Longmont Clinic Lab

    1925 Mountain View Ave, 
    Longmont,, CO 
     (1.5 miles away)
    Languages Spoken:
    English

    John Stathis is a Cardiologist practicing medicine in Longmont,, Colorado. Dr. Stathis 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 Coronary Heart Disease, Angina, Atherosclerosis, and Atrial Fibrillation.

    Learn about our expert tiers
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology

    Poudre Valley Medical Group LLC

    1760 E Ken Pratt Blvd, 
    Longmont, CO 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Katz is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Longmont, Colorado. Dr. Katz is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Ectopic Heartbeat, Arrhythmias, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation. Dr. Katz is currently accepting new patients.

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

    Rocky Mountain Clinics LLC

    1308 Vivian St, 
    Longmont, CO 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Adam Musgrave is a Physician Assistant practicing medicine in Longmont, Colorado. Mr. Musgrave is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Muscle Spasms, Zoon Vulvitis, Eyelid Bump, and Inappropriate Sinus Tachycardia (IST).

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

    Longs Peak Family Practice PC

    1309 Sunset St, 
    Longmont, CO 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Eric Traister is a Sports Medicine specialist and a Family Medicine provider practicing medicine in Longmont, Colorado. Dr. Traister 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 Bursitis, Tendinitis, Tennis Elbow, and Muscle Spasms. Dr. Traister is currently accepting new patients.

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

    Poudre Valley Medical Group LLC

    1760 E Ken Pratt Blvd, Suite 205 Lpmc, 
    Longmont, CO 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Shane Rowan is a Cardiac Electrophysiologist practicing medicine in Longmont, Colorado. Dr. Rowan 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 Familial Progressive Cardiac Conduction Defect, Sick Sinus Syndrome, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation. Dr. Rowan is currently accepting new patients.

    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Experienced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology

    Poudre Valley Medical Group LLC

    1760 E Ken Pratt Blvd, 
    Longmont, CO 
     (2.4 miles away)
    Languages Spoken:
    English, Castilian, Spanish
    Accepting New Patients
    Offers Telehealth

    Ethan Ellis is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Longmont, Colorado. Dr. Ellis 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 Atrial Fibrillation, Ectopic Heartbeat, Arrhythmias, Cardiac Ablation, and Pacemaker Implantation. Dr. Ellis is currently accepting new patients.

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

    Poudre Valley Medical Group LLC

    1760 E Ken Pratt Blvd, 
    Longmont, CO 
     (2.4 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    Tristan Dow is a Cardiologist and a Nuclear Medicine provider practicing medicine in Longmont, Colorado. Dr. Dow 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 Angina, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, Pulmonary Edema, and Pacemaker Implantation. Dr. Dow is currently accepting new patients.

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

    Boulder Heart At Erie Medical Center

    101 Erie Pkwy, 
    Erie, CO 
     (9.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Schutz is a Cardiologist practicing medicine in Erie, Colorado. Dr. Schutz 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 Coronary Heart Disease, Familial Neurocardiogenic Syncope, Atherosclerosis, Atrial Fibrillation, and Pacemaker Implantation.

    Advanced in Inappropriate Sinus Tachycardia (IST)
    Vascular Surgery | Cardiology | Interventional Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Vascular Surgery | Cardiology | Interventional Cardiology

    Intermountain Health Heart & Vascular - Lafayette Clinic

    300 Exempla Circle, Suite 310, 
    Lafayette, CO 
     (13.7 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English, Czech, Russian, Slovak
    Accepting New Patients

    Dr. Martin Fejka received his medical degree suma cum laude from Safarik University School of Medicine in Czechoslovakia. He relocated from Europe in 1993 and completed his internal medicine residency at Saint Louis University. From Missouri, Dr. Fejka moved to Michigan, where he completed cardiovascular fellowship training at William Beaumont Hospital in Royal Oak and then an interventional cardiology fellowship at St. John Hospital in Detroit before joining SCL Physicians in 2003. Dr. Fejka is board certified in internal medicine, cardiovascular diseases and interventional cardiology by the American Board of Internal Medicine. He specializes in interventional cardiology, coronary and peripheral interventions and treatment of varicose veins and vein disease. His expertise centers on the use of various devices, angioplasty balloons, atherectomy catheters, stents and radiofrequency ablation catheters to treat patients with heart and vascular disease.Away from the hospital, Dr. Fejka enjoys hiking, skiing, traveling, reading, playing the saxophone and, most importantly, spending time with his family, including his son and daughter. Dr. Fejka 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 Atrial Fibrillation, Angina, Venous Insufficiency, Stasis Dermatitis and Ulcers, and Heart Bypass Surgery. Dr. Fejka is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Fejka is currently accepting new patients.

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

    Colorado Imaging Associates PC

    4715 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Todd Lessie is a Radiologist practicing medicine in Boulder, Colorado. Dr. Lessie 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 Ascites, Gallbladder Disease, Pleurisy, Diverticular Disease, and Bone Marrow Aspiration. Dr. Lessie is currently accepting new patients.

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

    Boulder Heart At Community Medical Center

    1000 W South Boulder Rd, 
    Lafayette, CO 
     (12.5 miles away)
    Languages Spoken:
    English

    Robert Shapiro is a Cardiologist practicing medicine in Lafayette, Colorado. Dr. Shapiro 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 Angina, Heart Attack, Coronary Heart Disease, and Atherosclerosis.

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

    Boulder Community Health

    4743 Arapahoe Ave Ste 201, 
    Boulder,, CO 
     (12.7 miles away)
    Languages Spoken:
    English

    Roy Thompson is a Cardiologist practicing medicine in Boulder,, Colorado. Dr. Thompson 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 Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and Angina.

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

    Boulder Heart

    4743 Arapahoe Ave, 
    Boulder, CO 
     (12.7 miles away)
    Languages Spoken:
    English

    Oussama Lawand is a Cardiologist practicing medicine in Boulder, Colorado. Dr. Lawand 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, Catecholaminergic Polymorphic Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation.

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

    Boulder Heart

    4743 Arapahoe Ave, 
    Boulder,, CO 
     (12.7 miles away)
    Languages Spoken:
    English

    Molly Ware is a Cardiologist practicing medicine in Boulder,, Colorado. Dr. Ware is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Coronary Heart Disease, Mitral Valve Regurgitation, Arrhythmias, and Endocarditis.

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

    Poudre Valley Medical Group LLC

    2750 Broadway St Ste 2178, 
    Boulder,, CO 
     (13.1 miles away)
    Languages Spoken:
    English

    Matthew Purvis is an Interventional Cardiologist practicing medicine in Boulder,, Colorado. Dr. Purvis 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 Aortic Regurgitation, Heart Attack, Cardiomyopathy, and Angina.

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

    Kaiser Permanente Rock Creek

    280 Exempla Circle, Cardiology Dept, 
    Lafayette, CO 
     (13.7 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Accepting New Patients

    Michael Morcos is a Cardiologist practicing medicine in Lafayette, Colorado. He has been practicing medicine for over 13 years. Dr. Morcos 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 Adenosine Deaminase 2 Deficiency, Vasculitis, Pediatric Myocarditis, Heart Block, and Transcatheter Aortic Valve Replacement (TAVR). Dr. Morcos is board certified in Certification Board Of Nuclear Cardiology , American Board Of Internal Medicine , and American Board Of Internal Medicine. Dr. Morcos is currently accepting new patients.

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

    Colorado Heart Vascular PC

    14190 Orchard Pkwy Ste 270, 
    Westminster, CO 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Regina Lee is an Interventional Cardiologist practicing medicine in Westminster, Colorado. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Heart Attack, Apoplexy, Arterial Embolism, and Infective Endocarditis. Dr. Lee is board certified in American Board Of Internal Medicine. Dr. Lee is currently accepting new patients.

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

    Advanced Heart And Vein Center Inc

    805 E 144th Ave Ste 100, 
    Thornton, CO 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Stees is a Cardiac Electrophysiologist practicing medicine in Thornton, Colorado. Dr. Stees 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 Arrhythmias, Catecholaminergic Polymorphic Ventricular Tachycardia, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Stees is board certified in American Board Of Internal Medicine. Dr. Stees is currently accepting new patients.

    Showing 1-20 of 36

    Last Updated: 04/28/2026

    When should I see an Inappropriate Sinus Tachycardia (IST) doctor near Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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 Longmont, CO?

    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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