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Dr. Dennis Cassidy, MD

Dr. Dennis Cassidy, MD

St Petersburg, FL

41 Years of Experience

Accepting patients

    Who is Dr. Cassidy, Clinical Cardiac Electrophysiologist in St Petersburg, FL?

    Dr. Dennis Cassidy, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in St Petersburg, FL with 1 additional practice location. He has been practicing for over 41 years and is board certified. Dr. Cassidy graduated from Memorial University of Newfoundland / Faculty of Medicine and completed his residency at Univ Of Pa Hlth System, Cardiovascular Diseases. Dr. Cassidy is fluent in English and French, and is currently seeing new patients. Dr. Cassidy’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Cassidy’s office at (727) 893-6234.

    Where did Dr. Cassidy go to medical school and complete their residency?

    • Residency: Univ Of Pa Hlth System, Cardiovascular Diseases | Queens University | University of Pennsylvania Health System Program

    • Medical School: Memorial University of Newfoundland / Faculty of Medicine

    Is Dr. Cassidy board certified as a Clinical Cardiac Electrophysiologist?

    Yes, Dr. Dennis Cassidy, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Cassidy speak?

    Dr. Cassidy and their clinical team can communicate with patients in the following languages:

    • English

    • French

    What conditions does Dr. Cassidy treat?

    As a Clinical Cardiac Electrophysiologist, Dr. Cassidy diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Cassidy. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Atrial Fibrillation
    • Sick Sinus Syndrome
    • Heart Palpitations
    • Fast Heartbeat
    • Complete Heart Block
    • Slow Heart Rate
    • Atrial Flutter
    • Premature Ventricular Contractions
    • Premature Atrial Contractions
    • Arrhythmia
    • Sick sinus syndrome
    • Familial atrial fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Sinus Node Dysfunction
    • Bradycardia-Tachycardia Syndrome
    • SSS
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • SVT
    • Supraventricular Tachycardia
    • Rapid Heart Rate
    • Persistent atrial fibrillation
    • Complete AV Block
    • Third-Degree Heart Block
    • Bradycardia
    • Slow Pulse
    • Low Heart Rate
    • A-flutter
    • Heart flutter
    • Rapid atrial rhythm
    • PVCs
    • Ventricular Ectopic Beats
    • Skipped Heartbeat (Ventricular)
    • Tachycardia
    • Rapid heart rate
    • Racing heart
    • PACs
    • Atrial Ectopic Beats
    • Skipped Heartbeat (Atrial)

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation
    • I495: Sick sinus syndrome
    • R002: Palpitations
    • I471: Supraventricular tachycardia
    • I4819: Other persistent atrial fibrillation
    • I442: Atrioventricular block, complete
    • R001: Bradycardia, unspecified
    • I483: Typical atrial flutter
    • I493: Ventricular premature depolarization
    • R000: Tachycardia, unspecified
    • I4719: Other supraventricular tachycardia
    • I491: Atrial premature depolarization

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Cardiovascular Disorder Screening
    • Health Screening
    • Heart Disease Screening
    • Vascular Disease Check
    • Cardiac Screening

    ICD-10 Codes:

    • Z136: Encounter for screening for cardiovascular disorders

    Also known as:

    • Permanent Atrial Fibrillation
    • Atrial Fibrillation
    • Irreversible AFib
    • Fixed Atrial Fibrillation
    • Long-term AFib

    ICD-10 Codes:

    • I4821: Permanent atrial fibrillation

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Cardiomyopathy
    • Heart Muscle Disease
    • Enlarged Heart

    ICD-10 Codes:

    • I429: Cardiomyopathy, unspecified

    What procedures does Dr. Cassidy perform?

    As a Clinical Cardiac Electrophysiologist, Dr. Cassidy performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Cassidy. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Dual-Chamber Pacemaker Insertion
    • Permanent Pacemaker Placement
    • Atrial and Ventricular Pacemaker
    • Heart Rhythm Device Implantation

    CPT Codes:

    • 33208: Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); atrial and ventricular

    Does Dr. Cassidy accept my insurance?

    Dr. Cassidy accepts most major insurance plans. Important: Please call our office at (727) 893-6234 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Cassidy accept in St Petersburg, FL?

    Dr. Cassidy in St Petersburg, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Carpenters Funds Administrative Office (CA)

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Medicare

    • State of Tennessee

    View All Insurances

    Where is Dr. Cassidy's office located?

    Dr. Dennis Cassidy's Primary Practice

    601 7th St S Ste 205

    St Petersburg, FL 33701

    (727) 893-6234

    Get Directions

    Dr. Dennis Cassidy's Practice 2

    13330 Usf Laurel Dr

    Tampa, FL 33612

    Get Directions

    What is Dr. Cassidy's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Cassidy's National Provider Identifier (NPI) number is 1649272006.

    What common questions do patients ask about Dr. Cassidy?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Cassidy

    What is Dr. Dennis Cassidy's specialty?

    Dr. Cassidy is a Clinical Cardiac Electrophysiologist near St Petersburg, FL. A specialized domain within the cardiovascular disease subspecialty of Internal Medicine that involves advanced technical procedures to evaluate heart rhythms and determine the most appropriate treatments. Contact Dr. Cassidy to book an appointment today.

    Is this Dr. Dennis Cassidy affiliated with a ranked Castle Connolly Top Hospital?

    No, Cassidy is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: St. Joseph's Hospital - Tampa. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Clinical Cardiac Electrophysiologist?

    Explore Clinical Cardiac Electrophysiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dennis Cassidy accepting new patients in St Petersburg, FL?

    Yes, Dr. Dennis Cassidy is accepting new patients at this time.

    Does Dr. Dennis Cassidy offer online booking?

    Please contact Dr. Cassidy's office at (727) 893-6234 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dennis Cassidy?

    Please contact Dr. Cassidy's office at (727) 893-6234 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Dennis Cassidy have?

    Dr. Dennis Cassidy is certified by the American Board of Internal Medicine.

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