The 20 Best Atrial Fibrillation Doctors Near Me in Thousand Oaks, CA

Find the Top Atrial Fibrillation Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 57 doctor with experience in Atrial Fibrillation near Thousand Oaks, CA. Of these, 37 are Experienced, 16 are Advanced and 4 are Distinguished.

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57 providers found
    Experienced in Atrial Fibrillation
    Cardiology | Interventional Cardiology
    Experienced in Atrial Fibrillation
    Cardiology | Interventional Cardiology

    UCLA Health

    100 Moody Ct, Ste 110, 
    Thousand Oaks, CA 
     (0.9 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Akhondi received his BS and MD degrees at the University of Washington and received his internal medicine and adult cardiovascular training at UCLA where he was Chief Fellow. He then completed an interventional cardiology fellowship at UCLA, specializing in complex coronary artery, peripheral artery and structural heart disease interventions, including Transcatheter Aortic Valve Replacement (TAVR) and Atrial Septal defect (ASD) and patent foramen ovale (PFO) closures.Ventura County's first cardiology subspecialty group. Enduring commitment to healthcare. Dr. Akhondi is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Aortic Valve Stenosis, Angina, Paroxysmal Supraventricular Tachycardia (PSVT), Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Akhondi is board certified in Internal Medicine and Internal Medicine (Sub: Cardiovascular Disease). Dr. Akhondi is currently accepting new patients.

    Distinguished in Atrial Fibrillation
    Interventional Cardiology
    Distinguished in Atrial Fibrillation
    Interventional Cardiology

    Cardiovascular Institute Of Los Robles Health System

    227 W Janss Rd Ste 340, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Saibal Kar is an Interventional Cardiologist practicing medicine in Thousand Oaks, California. Dr. Kar is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Atrial Fibrillation, Atrial Septal Defect (ASD), Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

    Advanced in Atrial Fibrillation
    Cardiology
    Advanced in Atrial Fibrillation
    Cardiology

    Regional Heart Center Cardiology

    2220 Lynn Rd Ste 208, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    C Michael is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Michael is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Angina, Aortic Valve Stenosis, Atherosclerosis, Coronary Heart Disease, and Pacemaker Implantation.

    Learn about our expert tiers
    Advanced in Atrial Fibrillation
    Advanced in Atrial Fibrillation

    Regional Heart Center Cardiology

    2220 Lynn Rd Ste 208, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Michael Papanicolaou is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Papanicolaou is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Angina, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Atrial Fibrillation.

    Advanced in Atrial Fibrillation
    Advanced in Atrial Fibrillation

    David G. Aliabadi, M.D.

    2220 Lynn Rd Ste 203, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Aliabadi is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Aliabadi is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Aortic Valve Stenosis, Sitosterolemia, Mitral Valve Regurgitation, and Necrosis.

    Advanced in Atrial Fibrillation
    Advanced in Atrial Fibrillation

    Cardiovascular Care Center

    2100 Lynn Rd Ste 120, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Shahrzad Shareghi is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Shareghi is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Apoplexy, Coronary Artery Spasm, Prinzmetal's Variant Angina, and Varicose Veins.

    Advanced in Atrial Fibrillation
    Advanced in Atrial Fibrillation

    Office

    100 Moody Ct Ste 110, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Roman Leibzon is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Leibzon is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Atherosclerosis, Mitral Valve Prolapse, Pacemaker Implantation, and Heart Bypass Surgery.

    Advanced in Atrial Fibrillation
    Cardiology
    Advanced in Atrial Fibrillation
    Cardiology

    Vishva Dev, MD

    227 W Janss Rd Ste 360, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vishva Dev is a Cardiologist practicing medicine in Thousand Oaks, California. Dr. Dev is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Metabolic Syndrome, Angina, Stable Angina, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

    Experienced in Atrial Fibrillation
    Experienced in Atrial Fibrillation

    Office

    415 Rolling Oaks Dr Ste 250, 
    Thousand Oaks, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Ashraf Nashed is a Cardiologist practicing medicine in Thousand Oaks, California. Dr. Nashed is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Restrictive Cardiomyopathy (RCM), Apolipoprotein C2 Deficiency, Hyperlipoproteinemia Type 5, Familial Lipoprotein Lipase Deficiency, and Pacemaker Implantation.

    Experienced in Atrial Fibrillation
    Experienced in Atrial Fibrillation

    Fraidon F Azizi, MD

    2220 Lynn Rd, 
    Thousand Oaks, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Fraidon Azizi is a Cardiologist practicing medicine in Thousand Oaks, California. Dr. Azizi is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Aortic Valve Stenosis, Heart Murmurs, Atherosclerosis, and Coronary Heart Disease.

    Experienced in Atrial Fibrillation
    Internal Medicine
    Experienced in Atrial Fibrillation
    Internal Medicine

    Arroyo Oaks Medical Associates, Inc

    2230 Lynn Rd Ste 200, 
    Thousand Oaks, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sonia Monga is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Monga is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Hypertension, Familial Hypertension, Hip Replacement, and Endoscopy. Dr. Monga is currently accepting new patients.

    Experienced in Atrial Fibrillation
    Cardiology
    Experienced in Atrial Fibrillation
    Cardiology

    Sanjiv Goel, MD, Inc.

    2100 Lynn Rd Ste 120, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Sanjiv Goel is a Cardiologist practicing medicine in Thousand Oaks, California. Dr. Goel is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Angina, Stable Angina, Coronary Artery Bypass Graft (CABG), and Heart Bypass Surgery.

    Experienced in Atrial Fibrillation
    Cardiology
    Experienced in Atrial Fibrillation
    Cardiology

    Charles P. Johnson M.D. Inc .

    2220 Lynn Rd Ste 203, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    John Hess is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Hess is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Hyperlipoproteinemia Type 4, Heterozygous Familial Hypercholesterolemia (HeFH), and Defective Apolipoprotein B-100.

    Experienced in Atrial Fibrillation
    Experienced in Atrial Fibrillation

    Office

    2220 Lynn Rd Ste 201, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Martin Josephson is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Josephson is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His clinical expertise encompasses Aortic Regurgitation, Mitral Valve Regurgitation, Ectopic Heartbeat, and Heart Murmurs.

    Experienced in Atrial Fibrillation
    Cardiology
    Experienced in Atrial Fibrillation
    Cardiology

    Office

    2220 Lynn Rd Ste 208, 
    Thousand Oaks, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Irving Loh is a Cardiologist practicing medicine in Thousand Oaks, California. Dr. Loh is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Ectopic Heartbeat, High Cholesterol, Homozygous Familial Hypercholesterolemia (HoFH), and Defective Apolipoprotein B-100.

    Experienced in Atrial Fibrillation
    Experienced in Atrial Fibrillation

    Office

    80 E Hillcrest Dr Ste 102, 
    Thousand Oaks,, CA 
     (3.2 miles away)
    Languages Spoken:
    English

    Siddique Abbasi is a Cardiologist practicing medicine in Thousand Oaks,, California. Dr. Abbasi is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Heart Failure, Cardiomyopathy, Heart Attack, and Ventricular Fibrillation.

    Advanced in Atrial Fibrillation
    Advanced in Atrial Fibrillation

    Conejo Valley Electrophysiology

    865 Patriot Dr, Ste 201, 
    Moorpark, CA 
     (7.1 miles away)
    Languages Spoken:
    English, Portuguese, Spanish
    Accepting New Patients
    Offers Telehealth

    Dr. Alves is a native of Portugal and is fluent in Portuguese and Spanish. He moved to New Jersey at the age of 15, and soon after attended the New Jersey Institute of Technology where he graduated with a Bachelor's degree in Applied Mathematics and two Masters degrees in Bio-mathematic Microbiology and Molecular Genetics. During this time he participated in significant research ranging from the mathematical modeling of human walking to improving genetic algorithms in predicting the secondary structure of proteins. Dr. Alves moved to Texas to pursue his medical degree from the University of Texas, Southwestern Medical Center in Dallas. He graduated at the top of his class and earned the distinguished Alpha Omega Alpha award. He then moved back to the east coast to attend the internal medicine internship and residency at The Johns Hopkins Hospital in Baltimore, Md. He furthered his training still at Cleveland Clinic in Ohio where he completed a fellowship in cardiovascular diseases and clinical cardiac electrophysiology. During this training period at the Cleveland Clinic, he worked with some of the country's most distinguished electrophysiologists, including Dr. Andrea Natale, Dr. Patrick Tchou, Dr. Walid Saliba, Dr. Ousama Wazni and Dr. Bruce Wilkoff. He also developed an interest in clinical research and published several studies focusing on pacemaker and defibrillator lead extraction methods, focusing on overall safety and success rates. He has authored several research papers and literature on defibrillator implantation and cardiac re-synchronization therapy (CRT). Dr. Alves has joined the Heart Rhythm Specialists of Southern California, where he served as the Director of the Pacemaker and Defibrillator Clinic and was also a Co-Director of the Atrial Fibrillation Center. He is a member of the American College of Cardiology and the Heart Rhythm Society. Dr. Alves is an avid cyclist and can often be found biking to work!Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Alves is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Sick Sinus Syndrome, Familial Progressive Cardiac Conduction Defect, Pacemaker Implantation, and Cardiac Ablation. Dr. Alves is board certified in Internal Medicine (Sub: Cardiovascular Disease) and Internal Medicine (Sub: Clin Cardiac Electrophysiolog. Dr. Alves is currently accepting new patients.

    Advanced in Atrial Fibrillation
    Cardiac Electrophysiology | Cardiology
    Advanced in Atrial Fibrillation
    Cardiac Electrophysiology | Cardiology

    Golden State Providers, A Medical Corporation

    227 W Janss Rd, Suite 340, 
    Thousand Oaks, CA 
     (2.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    David Yoo is a Cardiac Electrophysiologist and a Cardiologist practicing medicine in Thousand Oaks, California. He has been practicing medicine for over 10 years. Dr. Yoo is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Atrial Fibrillation, Heart Failure, Pulmonary Edema, Fainting, and Cardiac Ablation.

    Advanced in Atrial Fibrillation
    Interventional Cardiology
    Advanced in Atrial Fibrillation
    Interventional Cardiology

    Adventist Health Physicians Network

    124 Macaw Ln, 
    Simi Valley,, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Thanh Nguyen is an Interventional Cardiologist practicing medicine in Simi Valley,, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, High Cholesterol, Atrial Fibrillation, and Atherectomy.

    Experienced in Atrial Fibrillation
    Geriatrics | Internal Medicine
    Experienced in Atrial Fibrillation
    Geriatrics | Internal Medicine

    Primary Care & Specialty Care - Dignity Health Medical Group - Camarillo, CA

    5051 Verdugo Wy, Ste 100 & Ste 110, 
    Camarillo, CA 
     (8.3 miles away)
    Languages Spoken:
    English, Hindi, Spanish
    Accepting New Patients
    Offers Telehealth

    I treat every patient as if they are my family or friends. I listen to my patients and treat them with the utmost respect, dedication, and commitment that I show my family and loved ones, putting their best health interests first. I treat the patient, not just a symptom or an ailment. I do my best to preserve the trust my patients place in me. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Bone Graft, and Vertebroplasty. Dr. Patel is currently accepting new patients.

    Showing 1-20 of 57

    Last Updated: 04/28/2026

    What is the definition of Atrial Fibrillation?

    Atrial fibrillation (AF), also known as A-fib, is the most common type of irregular heartbeat (arrythmia) of the heart’s upper chambers (atria) which can lead to strokes, heart failure, blood clots in the heart and/or blockage of blood flow (ischemia) in the heart or other organs. Atrial fibrillation is frequently combined with a rapid heart rate (tachycardia) and occurs when the upper chambers of the heart (atria) receive abnormal electrical signals from the heart’s conduction system that causes the atria to quiver. Atrial fibrillation is categorized by the following four main types: Occasional (Paroxysmal) atrial fibrillation – This type of atrial fibrillation comes and goes, can last from minutes to hours, or even last as long as a week, or occur repeatedly, and may go away on its own. Persistent atrial fibrillation – In this type of atrial fibrillation, the irregular heart rhythm (arrythmia) doesn’t go away on its own and needs treatment to restore normal rhythm. Long-standing persistent atrial fibrillation – This type of atrial fibrillation occurs continuously, lasting longer than 12 months. Permanent atrial fibrillation – In this type of atrial fibrillation, the irregular heart rhythm cannot be restored to normal, in which case it becomes permanent, requiring heart medications and anticoagulants to prevent blood clots. Atrial fibrillation that occurs in individuals who do not have any heart defects or damage is called lone atrial fibrillation.

    When should I see an Atrial Fibrillation doctor near Thousand Oaks, 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 Atrial Fibrillation doctor near Thousand Oaks, 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 Atrial Fibrillation doctors near Thousand Oaks, 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 Atrial Fibrillation doctors near Thousand Oaks, 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 Atrial Fibrillation doctor near Thousand Oaks, 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 Atrial Fibrillation doctor search results page. 

    Why is it important to get a second opinion from a different Atrial Fibrillation 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 Atrial Fibrillation doctor near Thousand Oaks, 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 Atrial Fibrillation 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 Atrial Fibrillation 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 Atrial Fibrillation doctors near Thousand Oaks, CA?

    Look for the filter feature on the left side of the Atrial Fibrillation 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 Atrial Fibrillation doctor that offers video calls?

    Look for the filter feature on the left-side of the Atrial Fibrillation 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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