The 20 Best Inappropriate Sinus Tachycardia (IST) Doctors Near Me in Londonderry, NH

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

Last Updated: 04/28/2026

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

MediFind found 130 doctor with experience in Inappropriate Sinus Tachycardia (IST) near Londonderry, NH. Of these, 107 are Experienced, 21 are Advanced and 2 are Distinguished.

Location
LocationClose
130 providers found
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology
    Advanced in Inappropriate Sinus Tachycardia (IST)
    Cardiac Electrophysiology | Cardiology

    Cardiovascular Specialists Of New England, LLC

    6 Buttrick Rd, Suite 200, 
    Londonderry, NH 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jamie Kim is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Londonderry, New Hampshire. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Ectopic Heartbeat, Arrhythmias, Cardiac Ablation, and Pacemaker Implantation.

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

    Office

    49 Range Rd Ste 110, 
    Windham, NH 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Macdonald is a primary care provider, practicing in Internal Medicine in Windham, New Hampshire. Dr. Macdonald 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 Congenital Sucrase-Isomaltase Deficiency, Glucose Phosphate Isomerase Deficiency, Glucose-Galactose Malabsorption Deficiency, and Glucocorticoid-Remediable Aldosteronism.

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

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (8.0 miles away)
    Languages Spoken:
    English

    Christopher Pyne is a Cardiologist practicing medicine in Nashua, New Hampshire. Dr. Pyne 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 Familial Ventricular Tachycardia, Arrhythmias, Ventricular Tachycardia, Atherectomy, and Transcatheter Aortic Valve Replacement (TAVR).

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

    Office

    1 Elliot Way Ste 100, 
    Manchester, NH 
     (8.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Greenblatt is a Cardiologist practicing medicine in Manchester, New Hampshire. Dr. Greenblatt is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Aortic Regurgitation, Hypertension, and Fainting. Dr. Greenblatt is board certified in HCA Aventura Hospital.

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

    Office

    1 Elliot Way Ste 100, 
    Manchester, NH 
     (8.4 miles away)
    Languages Spoken:
    English

    Carl Fier is a Cardiologist practicing medicine in Manchester, New Hampshire. Dr. Fier 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 Arrhythmias, Familial Neurocardiogenic Syncope, Heart Block, and Atrial Fibrillation.

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

    St. Joseph Hospital Nashua Cardiology

    166 Kinsley St, 
    Nashua, NH 
     (8.9 miles away)
    Languages Spoken:
    English

    Peter Gibson is a Cardiologist practicing medicine in Nashua, New Hampshire. Dr. Gibson is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Atrial Fibrillation, Coronary Heart Disease, and Atherosclerosis.

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

    Office

    14 Research Pl Ste 3, 
    North Chelmsford, MA 
     (14.8 miles away)
    Languages Spoken:
    English

    Eric Ewald is a Cardiologist practicing medicine in North Chelmsford, Massachusetts. Dr. Ewald is rated as a Distinguished 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 Heart Failure with Preserved Ejection Fraction (HFpEF), Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, and Fainting.

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

    Office

    6 Buttrick Rd, 
    Londonderry, NH 
     (0.7 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Katharine Wetherbee is a primary care provider, practicing in Family Medicine in Londonderry, New Hampshire. She has been practicing medicine for over 17 years. Dr. Wetherbee is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Obesity, Generalized Anxiety Disorder (GAD), Obesity in Children, Seasonal Affective Disorder (SAD), and Intrauterine Device Insertion.

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

    Office

    50 Michels Way Unit 102, 
    Londonderry, NH 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christine Hand is a primary care provider, practicing in Family Medicine in Londonderry, New Hampshire. Dr. Hand is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 44 other conditions, according to our data. Her clinical expertise encompasses Obesity, Type 2 Diabetes (T2D), Obesity in Children, and Generalized Anxiety Disorder (GAD).

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

    Cardiovascular Specialists Of New England LLC

    6 Buttrick Rd Ste 200, 
    Londonderry, NH 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Daniel Waszkowski is a primary care provider, practicing in Family Medicine in Londonderry, New Hampshire. Dr. Waszkowski 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 Obesity, Purpura, Autoerythrocyte Sensitivity, and Gardner-Diamond Syndrome.

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

    Cardiovascular Specialists Of New England LLC

    6 Buttrick Rd Ste 200, 
    Londonderry, NH 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Rork is a primary care provider, practicing in Family Medicine in Londonderry, New Hampshire. Dr. Rork is rated as an Experienced 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 Obesity, Generalized Anxiety Disorder (GAD), Cirrhosis, and Familial Combined Hyperlipidemia.

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

    Parkland Medical Center

    1 Parkland Dr, 
    Derry, NH 
     (3.0 miles away)
    Languages Spoken:
    English

    Amit Sharma is a primary care provider, practicing in Internal Medicine in Derry, New Hampshire. Dr. Sharma 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 Sepsis, Peptic Ulcer, Necrosis, Endoscopy, and Hip Replacement.

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

    Parkland Center For Emotional Wellness

    1 Parkland Dr, 
    Derry, NH 
     (3.0 miles away)
    Languages Spoken:
    English

    David Bryson is a Physician Assistant practicing medicine in Derry, New Hampshire. Mr. Bryson is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Inappropriate Sinus Tachycardia (IST) and Gallbladder Disease.

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

    Office

    49 Range Rd Ste 104, 
    Windham, NH 
     (3.9 miles away)
    Languages Spoken:
    English

    Justin Plaum is a primary care provider, practicing in Family Medicine in Windham, New Hampshire. Dr. Plaum 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 Obesity, Obesity in Children, Generalized Anxiety Disorder (GAD), and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).

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

    Derry Medical Center At Windham

    49 Range Rd Ste 104, 
    Windham, NH 
     (3.9 miles away)
    Languages Spoken:
    English

    Douglas Phelan is a primary care provider, practicing in Family Medicine in Windham, New Hampshire. Dr. Phelan is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Type 2 Diabetes (T2D), Generalized Anxiety Disorder (GAD), and Obesity in Children.

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

    Lahey Clinic Inc

    6 Tsienneto Rd, Suite 101ll, 
    Derry, NH 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bruce Hook is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Derry, New Hampshire. Dr. Hook 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 Atrial Fibrillation, Arrhythmias, Familial Progressive Cardiac Conduction Defect, Cardiac Ablation, and Pacemaker Implantation. Dr. Hook is currently accepting new patients.

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

    Lahey Clinic Inc

    6 Tsienneto Rd, Suite 101ll, 
    Derry, NH 
     (4.0 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients

    Guy Kulbak is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Derry, New Hampshire. He has been practicing medicine for over 18 years. Dr. Kulbak 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, Familial Progressive Cardiac Conduction Defect, Arrhythmias, Pacemaker Implantation, and Cardiac Ablation. Dr. Kulbak is currently accepting new patients.

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

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (8.0 miles away)
    Languages Spoken:
    English

    Ajay Sharma is a Cardiologist practicing medicine in Nashua, New Hampshire. Dr. Sharma 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 Atrial Fibrillation, Heart Attack, Apoplexy, Coronary Heart Disease, and Tenotomy.

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

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (8.0 miles away)
    Languages Spoken:
    English

    Paul Boffetti is a Cardiologist practicing medicine in Nashua, New Hampshire. Dr. Boffetti 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 Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Cardiomyopathy, Angioplasty, and Pacemaker Implantation.

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

    Southern NH Medical Center

    8 Prospect St, 
    Nashua, NH 
     (8.0 miles away)
    Languages Spoken:
    English

    Banu Oner is a Radiologist practicing medicine in Nashua, New Hampshire. Dr. Oner 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 Breast Lump, Breast Infection, Melorheostosis with Osteopoikilosis, and Melorheostosis.

    Showing 1-20 of 130

    Last Updated: 04/28/2026

    When should I see an Inappropriate Sinus Tachycardia (IST) doctor near Londonderry, NH?

    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 Londonderry, NH?

    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 Londonderry, NH?

    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 Londonderry, NH?

    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 Londonderry, NH?

    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 Londonderry, NH?

    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 Londonderry, NH?

    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