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

Find the Top Sick Sinus Syndrome Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 32 doctor with experience in Sick Sinus Syndrome near Upland, CA. Of these, 27 are Experienced, 4 are Advanced and 1 are Distinguished.

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32 providers found
    Advanced in Sick Sinus Syndrome

    Dr. Rahul Bhardwaj
    Cardiac Electrophysiology | Cardiology
    Advanced in Sick Sinus Syndrome

    Dr. Rahul Bhardwaj
    Cardiac Electrophysiology | Cardiology
    Referral may be required

    Faculty Physicians And Surgeons Of Llusm

    901 San Bernardino Rd, Suite 104and302, 
    Upland, CA 
     (0.7 miles away)
    909-558-4000
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Rahul Bhardwaj is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Upland, California. Dr. Bhardwaj is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Ectopic Heartbeat, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Cardiac Ablation, and Pacemaker Implantation.

    Advanced in Sick Sinus Syndrome
    Advanced in Sick Sinus Syndrome
    Referral may be required

    Prohealth Partners, A Medical Group, Inc

    685 N 13th Ave, 
    Upland, CA 
     (1.0 miles away)
    909-981-8383
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Roger Duber is a Cardiologist practicing medicine in Upland, California. Dr. Duber is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 32 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. Dr. Duber is currently accepting new patients.

    Distinguished in Sick Sinus Syndrome

    Dr. Ramanna Merla
    Cardiac Electrophysiology | Cardiology
    Distinguished in Sick Sinus Syndrome

    Dr. Ramanna Merla
    Cardiac Electrophysiology | Cardiology
    Referral may be required

    Chaparral Medical Group Inc

    1866 N Orange Grove Ave, Suite 102, 
    Pomona, CA 
     (5.8 miles away)
    909-629-3062
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    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.

    Learn about our expert tiers
    Experienced in Sick Sinus Syndrome

    Dr. Antoine E. Sakr
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Experienced in Sick Sinus Syndrome

    Dr. Antoine E. Sakr
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Referral may be required

    Faculty Physicians And Surgeons Of Llusm

    901 San Bernardino Rd, Suite 104and302, 
    Upland, CA 
     (0.7 miles away)
    909-558-4000
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Antoine Sakr is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist practicing medicine in Upland, California. Dr. Sakr is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Transplant, and Cardiac Ablation.

    Experienced in Sick Sinus Syndrome

    Dr. Liset N. Stoletniy
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Experienced in Sick Sinus Syndrome

    Dr. Liset N. Stoletniy
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Referral may be required

    Faculty Physicians And Surgeons Of Llusm

    901 San Bernardino Rd, Suite 104and302, 
    Upland, CA 
     (0.7 miles away)
    909-558-4000
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Liset Stoletniy is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist practicing medicine in Upland, California. Dr. Stoletniy is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Transplant, and Cardiac Ablation.

    Experienced in Sick Sinus Syndrome

    Dr. Diane D. Tran
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Experienced in Sick Sinus Syndrome

    Dr. Diane D. Tran
    Advanced Heart Failure and Transplant Cardiology | Cardiology
    Referral may be required

    Faculty Physicians And Surgeons Of Llusm

    901 San Bernardino Rd, Suite 104and302, 
    Upland, CA 
     (0.7 miles away)
    909-558-4000
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Diane Tran is an Advanced Heart Failure and Transplant Cardiologist and a Cardiologist practicing medicine in Upland, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), Cardiac Ablation, and Pacemaker Implantation.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Deepaaleya Medical Inc.

    914 W Foothill Blvd Ste A, 
    Upland, CA 
     (0.7 miles away)
    909-285-6717
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    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. Dr. Tummala is currently accepting new patients.

    Experienced in Sick Sinus Syndrome

    Dr. Byung D. Ahn
    Cardiology
    Experienced in Sick Sinus Syndrome

    Dr. Byung D. Ahn
    Cardiology
    Referral may be required

    Office

    685 N 13th Ave Ste 1, 
    Upland,, CA 
     (0.7 miles away)
    909-982-6500
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    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 Hypertension, Glucocorticoid-Remediable Aldosteronism, Metabolic Syndrome, Pediatric Myocarditis, and Pacemaker Implantation. Dr. Ahn is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    San Antonio Regional Hospital

    999 San Bernardino Rd, 
    Upland, CA 
     (0.8 miles away)
    909-477-3015
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Vatsal Mody is a Cardiologist practicing medicine in Upland, California. Dr. Mody is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Atherosclerosis, Angioplasty, and Pacemaker Implantation. Dr. Mody is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Prohealth Partners, A Medical Group, Inc

    685 N 13th Ave, 
    Upland, CA 
     (1.0 miles away)
    909-981-8383
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Hammad Khan is a Cardiologist practicing medicine in Upland, California. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Necrosis, Hypertensive Heart Disease, Apoplexy, and Atherosclerosis. Dr. Khan is board certified in American Board Of Internal Medicine. Dr. Khan is currently accepting new patients.

    Experienced in Sick Sinus Syndrome

    Dr. Tuan A. Pham
    Cardiology
    Experienced in Sick Sinus Syndrome

    Dr. Tuan A. Pham
    Cardiology
    Referral may be required

    Office

    9333 Base Line Rd Ste 160, 
    Rancho Cucamonga, CA 
     (4.1 miles away)
    909-941-4599
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Tuan Pham is a Cardiologist practicing medicine in Rancho Cucamonga, California. Dr. Pham 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 Atherosclerosis, Angina, Coronary Heart Disease, and Necrosis. Dr. Pham is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Office

    7974 Haven Ave Ste 200, 
    Rancho Cucamonga, CA 
     (4.1 miles away)
    909-476-6743
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Satish Choudhary is a Cardiologist practicing medicine in Rancho Cucamonga, California. Dr. Choudhary 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 Restrictive Cardiomyopathy (RCM), Pediatric Myocarditis, Metabolic Syndrome, Hypertension, and Pacemaker Implantation. Dr. Choudhary is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Pulse Cardiology

    10601 Church St, Ste 105, 
    Rancho Cucamonga, CA 
     (4.6 miles away)
    909-881-7400
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Issa Alesh is a Cardiologist practicing medicine in Rancho Cucamonga, California. Dr. Alesh is rated as an Experienced 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 Heart Attack, Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, and Apoplexy. Dr. Alesh is board certified in Internal Medicine (Sub: Cardiovascular Disease), American Board Of Internal Medicine, and Internal Medicine (Sub: Adv Heart Failure And Transpl. Dr. Alesh is currently accepting new patients.

    Advanced in Sick Sinus Syndrome
    Advanced in Sick Sinus Syndrome
    Referral may be required

    Cardiac Electrophysiology Institute

    160 E Artesia St, 
    Pomona, CA 
     (6.0 miles away)
    909-629-7878
    Languages Spoken:
    English
    See accepted insurances

    Arshia Noori is a Cardiologist practicing medicine in Pomona, California. Dr. Noori is rated as an Advanced provider by MediFind in the treatment of Sick Sinus Syndrome. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses His Bundle Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), Multifocal Atrial Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Noori is board certified in American Board Of Internal Medicine.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Chaparral Medical Group Inc.

    1866 N Orange Grove Ave Ste 202, 
    Pomona,, CA 
     (5.1 miles away)
    909-623-8796
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    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 32 other conditions, according to our data. His clinical expertise encompasses Necrosis, Heart Attack, Apoplexy, and Pulmonary Edema. Dr. Vangala is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Chaparral Medical Group Inc.

    1866 N Orange Grove Ave Ste 202, 
    Pomona, CA 
     (5.1 miles away)
    909-623-8796
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    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, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Parikh is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Ontario Medical Center

    2295 S Vineyard Ave, 
    Ontario, CA 
     (5.2 miles away)
    909-724-5000
    Languages Spoken:
    English
    See accepted insurances
    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
    Referral may be required

    Chino Valley Medical Center

    5451 Walnut Ave, 
    Chino, CA 
     (5.5 miles away)
    909-464-8600
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    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. Dr. Choie is currently accepting new patients.

    Experienced in Sick Sinus Syndrome

    Dr. Altaf L. Ali
    Cardiology
    Experienced in Sick Sinus Syndrome

    Dr. Altaf L. Ali
    Cardiology
    Referral may be required

    Altaf L. Ali MD Inc.

    5365 Walnut Ave Ste H, 
    Chino, CA 
     (5.5 miles away)
    909-591-7395
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    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. Dr. Ali is currently accepting new patients.

    Experienced in Sick Sinus Syndrome
    Experienced in Sick Sinus Syndrome
    Referral may be required

    Chaparral Medical Group, Inc.

    1866 N Orange Grove Ave, 
    Pomona, CA 
     (5.8 miles away)
    909-398-1550
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Muthusamy Muthiah is a Cardiologist practicing medicine in Pomona, California. 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. Dr. Muthiah is currently accepting new patients.

    Showing 1-20 of 32

    Last Updated: 09/26/2026

    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 Upland, 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 Upland, 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 do I find the best Sick Sinus Syndrome doctor near Upland, CA?

    You can find a Sick Sinus Syndrome doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Sick Sinus Syndrome doctors near Upland, 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 Upland, 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 Upland, 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 Upland, 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 Upland, 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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