The 20 Best Sick Sinus Syndrome Doctors Near Me in Pomona, CA

Find the Top Sick Sinus Syndrome Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 43 doctor with experience in Sick Sinus Syndrome near Pomona, CA. Of these, 38 are Experienced, 4 are Advanced and 1 are Distinguished.

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43 providers found
    Distinguished in Sick Sinus Syndrome
    Cardiac Electrophysiology | Cardiology
    Distinguished in Sick Sinus Syndrome
    Cardiac Electrophysiology | Cardiology

    Chaparral Medical Group Inc

    1866 N Orange Grove Ave, Suite 102, 
    Pomona, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Ramanna Merla is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Pomona, California. Dr. Merla is rated as a Distinguished provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), Pacemaker Implantation, and Cardiac Ablation.

    Advanced in Sick Sinus Syndrome
    Cardiology | Internal Medicine
    Advanced in Sick Sinus Syndrome
    Cardiology | Internal Medicine

    Chaparral Medical Group, Inc.

    1866 N Orange Grove Ave, 
    Pomona, CA 
     (1.5 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English

    William Discepolo is a Cardiologist and an Internal Medicine provider practicing medicine in Pomona, California. He has been practicing medicine for over 24 years. Dr. Discepolo is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Pulmonary Edema, Cardiomyopathy, Pacemaker Implantation, and Cardiac Ablation. Dr. Discepolo is board certified in American Board Of Internal Medicine.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome

    Chaparral Medical Group Inc.

    1866 N Orange Grove Ave Ste 202, 
    Pomona,, CA 
     (2.1 miles away)
    Languages Spoken:
    English

    Nitanth Vangala is a Cardiologist practicing medicine in Pomona,, California. Dr. Vangala is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Necrosis, Heart Attack, Apoplexy, and Pulmonary Edema.

    Learn about our expert tiers
    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome

    Chaparral Medical Group Inc.

    1866 N Orange Grove Ave Ste 202, 
    Pomona, CA 
     (2.1 miles away)
    Languages Spoken:
    English

    Gaurav Parikh is a Cardiologist practicing medicine in Pomona, California. Dr. Parikh is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Apoplexy, Heart Attack, Mitral Valve Regurgitation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome

    Chaparral Medical Group Inc.

    1866 N Orange Grove Ave Ste 202, 
    Pomona, CA 
     (2.1 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Krishna Pulumati is a Cardiologist practicing medicine in Pomona, California. He has been practicing medicine for over 17 years. Dr. Pulumati is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Apoplexy, Necrosis, and High Cholesterol.

    Experienced in Sick Sinus Syndrome
    Cardiology
    Experienced in Sick Sinus Syndrome
    Cardiology

    Altaf L. Ali MD Inc.

    5365 Walnut Ave Ste H, 
    Chino, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Altaf Ali is a Cardiologist practicing medicine in Chino, California. Dr. Ali is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Orthostatic Hypotension, Hypertensive Heart Disease, Prinzmetal's Variant Angina, and Coronary Artery Spasm.

    Advanced in Sick Sinus Syndrome
    Advanced in Sick Sinus Syndrome

    Prohealth Partners, A Medical Group, Inc

    5450 Jefferson Ave, 
    Chino, CA 
     (4.3 miles away)
    Experience:
    49+ years
    Languages Spoken:
    English

    Roger Duber is a Cardiologist practicing medicine in Chino, California. He has been practicing medicine for over 49 years. Dr. Duber is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Pediatric Myocarditis, Necrosis, Hypertensive Heart Disease, Thoracic Aortic Aneurysm, and Pacemaker Implantation. Dr. Duber is board certified in American Osteopathic Board Of Internal Medicine.

    Advanced in Sick Sinus Syndrome
    Cardiology
    Advanced in Sick Sinus Syndrome
    Cardiology

    Swapna V Phadnis MD Inc

    1315 S Grand Ave Ste 150, 
    Glendora,, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    Soha Ahmad is a Cardiologist practicing medicine in Glendora,, California. Dr. Ahmad is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Arrhythmias, Sick Sinus Syndrome, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, and Aortic Valve Replacement.

    Experienced in Sick Sinus Syndrome
    Cardiology | Internal Medicine
    Experienced in Sick Sinus Syndrome
    Cardiology | Internal Medicine

    Chaparral Medical Group, Inc.

    160 E Artesia St, 
    Pomona, CA 
     (1.4 miles away)
    Experience:
    49+ years
    Languages Spoken:
    English

    Muthusamy Muthiah is a Cardiologist and an Internal Medicine provider practicing medicine in Pomona, California. He has been practicing medicine for over 49 years. Dr. Muthiah is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Pulmonary Edema, Heart Failure, Metabolic Syndrome, Necrosis, and Pacemaker Implantation. Dr. Muthiah is board certified in American Board Of Internal Medicine.

    Experienced in Sick Sinus Syndrome
    Cardiology | Internal Medicine
    Experienced in Sick Sinus Syndrome
    Cardiology | Internal Medicine

    Chaparral Medical Group, Inc.

    1940 N Orange Grove Ave, 
    Pomona, CA 
     (1.6 miles away)
    Experience:
    55+ years
    Languages Spoken:
    English

    Ramakrishna Thumati is a Cardiologist and an Internal Medicine provider practicing medicine in Pomona, California. He has been practicing medicine for over 55 years. Dr. Thumati is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Pulmonary Edema, Atrial Fibrillation, Heart Failure, and Hypertension. Dr. Thumati is board certified in American Board Of Internal Medicine.

    Experienced in Sick Sinus Syndrome
    Interventional Cardiology
    Experienced in Sick Sinus Syndrome
    Interventional Cardiology

    PrimeCare Medical Group Of Chino Valley

    5562 Philadelphia St Ste 200, 
    Chino, CA 
     (5.1 miles away)
    Languages Spoken:
    English

    Robert Castro is an Interventional Cardiologist practicing medicine in Chino, California. Dr. Castro is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Acute Coronary Syndrome, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Sick Sinus Syndrome
    Cardiology
    Experienced in Sick Sinus Syndrome
    Cardiology

    John H. Choie MD PC

    5385 Walnut Ave Ste 6, 
    Chino, CA 
     (5.1 miles away)
    Languages Spoken:
    English

    John Choie is a Cardiologist practicing medicine in Chino, California. Dr. Choie is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Atherosclerosis, Hypertensive Heart Disease, and Angina.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome

    Deepaaleya Medical Inc.

    914 W Foothill Blvd Ste A, 
    Upland, CA 
     (6.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Padmini Tummala is a Cardiologist practicing medicine in Upland, California. Dr. Tummala is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Familial Dilated Cardiomyopathy, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Murmurs, and Hypertensive Heart Disease.

    Experienced in Sick Sinus Syndrome
    Cardiology
    Experienced in Sick Sinus Syndrome
    Cardiology

    Office

    685 N 13th Ave Ste 1, 
    Upland,, CA 
     (6.1 miles away)
    Languages Spoken:
    English

    Byung Ahn is a Cardiologist practicing medicine in Upland,, California. Dr. Ahn is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Metabolic Syndrome, Pediatric Myocarditis, and Pacemaker Implantation.

    Experienced in Sick Sinus Syndrome
    Cardiac Electrophysiology | Cardiology
    Experienced in Sick Sinus Syndrome
    Cardiac Electrophysiology | Cardiology
    15855 Pomona Rincon Road, 
    Chino Hills, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Danny Lee is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Chino Hills, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Arrhythmias, Paroxysmal Supraventricular Tachycardia (PSVT), Pacemaker Implantation, and Cardiac Ablation. Dr. Lee is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Cardiology
    Experienced in Sick Sinus Syndrome
    Cardiology

    Uday G. Gadgil MD Inc.

    315 N 3rd Ave Ste 305, 
    Covina,, CA 
     (8.1 miles away)
    Languages Spoken:
    English

    Uday Gadgil is a Cardiologist practicing medicine in Covina,, California. Dr. Gadgil is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Atherosclerosis, Angina, and Hypertensive Heart Disease.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome

    Ontario Medical Center

    2295 S Vineyard Ave, 
    Ontario, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Puneet Ghayal is a Cardiologist practicing medicine in Ontario, California. Dr. Ghayal is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Endocarditis, Pulmonary Edema, Atrial Fibrillation, and Familial Neurocardiogenic Syncope. Dr. Ghayal is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome

    CBC Rose Clinic Pharmacy

    420 W Rowland St, 
    Covina,, CA 
     (8.6 miles away)
    Languages Spoken:
    English

    Darrell Walter is a Cardiologist practicing medicine in Covina,, California. Dr. Walter is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. His clinical expertise encompasses Heart Attack, Atrial Fibrillation, Apoplexy, and Cardiomyopathy.

    Advanced in Sick Sinus Syndrome
    Cardiology | Internal Medicine
    Advanced in Sick Sinus Syndrome
    Cardiology | Internal Medicine

    Foothill Cardiology

    315 N 3rd Ave, 
    Covina, CA 
     (8.5 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jesus Vazquez is a Cardiologist and an Internal Medicine provider practicing medicine in Covina, California. He has been practicing medicine for over 21 years. Dr. Vazquez is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Heart Failure, Fainting, Pacemaker Implantation, and Cardiac Ablation. Dr. Vazquez is board certified in American Board Of Internal Medicine.

    Experienced in Sick Sinus Syndrome
    Internal Medicine
    Experienced in Sick Sinus Syndrome
    Internal Medicine

    Indus Healthcare Inc

    1060 E Foothill Blvd Ste 204, 
    Upland, CA 
     (6.1 miles away)
    Languages Spoken:
    English

    Yogesh Paliwal is an Internal Medicine provider practicing medicine in Upland, California. Dr. Paliwal is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertensive Heart Disease, Gastrostomy, and Endoscopy.

    Showing 1-20 of 43

    Last Updated: 04/28/2026

    What is the definition of Sick Sinus Syndrome?

    Sick sinus syndrome (also known as sinus node dysfunction) is a group of related heart conditions that can affect how the heart beats. "Sick sinus" refers to the sino-atrial (SA) node, which is an area of specialized cells in the heart that functions as a natural pacemaker. The SA node generates electrical impulses that start each heartbeat. These signals travel from the SA node to the rest of the heart, signaling the heart (cardiac) muscle to contract and pump blood. In people with sick sinus syndrome, the SA node does not function normally. In some cases, it does not produce the right signals to trigger a regular heartbeat. In others, abnormalities disrupt the electrical impulses and prevent them from reaching the rest of the heart.

    When should I see a Sick Sinus Syndrome doctor near Pomona, 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 a Sick Sinus Syndrome doctor near Pomona, 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 Sick Sinus Syndrome doctors near Pomona, 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 Sick Sinus Syndrome doctors near Pomona, 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 a Sick Sinus Syndrome doctor near Pomona, 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 Sick Sinus Syndrome doctor search results page. 

    Why is it important to get a second opinion from a different Sick Sinus Syndrome 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 a Sick Sinus Syndrome doctor near Pomona, 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 Sick Sinus Syndrome 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 Sick Sinus Syndrome 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 Sick Sinus Syndrome doctors near Pomona, CA?

    Look for the filter feature on the left side of the Sick Sinus Syndrome 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 a Sick Sinus Syndrome doctor that offers video calls?

    Look for the filter feature on the left-side of the Sick Sinus Syndrome 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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