Dr. Dennis Cassidy, MD

Dr. Dennis Cassidy, MD

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Clinical Cardiac Electrophysiology  |  
Male  |  
65 y/o
(11)

Accepting new patients

Dr. Dennis Cassidy, MD is a clinical cardiac electrophysiology doctor who practices in South Pasadena, FL. He is 65 years old and has been practicing for 39 years. Dr. Cassidy is affiliated with Saint Anthony's Hospital, Largo Medical Center - Indian Rocks Campus, Northside Hospital &Tampa Bay Heart Institute, Palms of Pasadena Hospital, Largo Medical Center, St. Petersburg General Hospital and Bayfront Medical Center.

The Heart Institute

1615 Pasadena Ave S Ste 300

South Pasadena, FL 33707
Get Directions

Accepted insurance

  • Accepts most major Health Plans. Please contact our office for details.
  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan
  • UnitedHealthCare
  • WellCare

Learn about Dr. Cassidy

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Cassidy performs your care needs compared to other doctors.

Heart Disease
very high
more than 94% of peers
Cardioversion, Elective
very high
more than 91% of peers
Cardiac Electrophysiology
very high
more than 90% of peers

Dr. Cassidy's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Care Philosophy

This content was provided by Dr. Cassidy "We have forged in new frontiers of cardiovascular care and treatment through advances in nuclear medicine, cutting edge technology and research, and the development of preventive and educational services. Coupled with highly trained physicians and medical staff, The Heart & Vascular Institute has established itself as a "Center of Excellence" in the care and treatment of cardiovascular disease."

More

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3

Specialties

  • Clinical Cardiac Electrophysiology
  • Cardiology
  • Interventional Cardiology
3

Board Certifications

  • Cardiovascular Disease
    Accredited by: American Board of Internal Medicine*
  • Clinical Cardiac Electrophysiology
    Accredited by: American Board of Medical Specialties*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
50

Conditions Treated

  • Aneurysm
  • Aneurysm of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Dissection
  • Aortic Ectasia
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Autonomic Disorders
  • Autonomic Dysreflexia
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Disease (CAD)
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Murmur
  • Heart Palpitations
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypotension
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Palpitations
  • Pericardial Disease
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Hypertension
  • Pulmonary Valve Disease
  • Septal Defect
  • Syncope
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease

More

Read More
26

Procedures

  • Ablation for Treatment of Cardiac Arrhythmias
  • Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
  • Cardiac Catheterization (incl. Coronary Angiography)
  • Cardiac Electrophysiology
  • Cardiac Imaging
  • Cardiac Myocardial Perfusion Imaging
  • Cardioversion
  • Cardioversion, Elective
  • Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
  • Carotid Ultrasound
  • Coronary Angioplasty, Atherectomy and Stent
  • Dobutamine Stress Echocardiography
  • Echocardiography
  • Electrophysiological Study
  • Heart Surgery
  • Insertion of Epicardial Lead for Pacemaker or Cardioverter and-or Defibrillator
  • Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and-or Defibrillator
  • Pacemaker Insertion or Replacement
  • Peripheral Artery Catheterization
  • Removal or Revision of Pacemaker or Cardioverter and-or Defibrillator
  • Stress Test
  • Thoracentesis
  • Tilt Table Testing
  • Tilt Testing or Cardiac Event Monitors
  • Ultrasound, Cardiac
  • Vascular Surgical Procedure

Background Check

0 Malpractice Claims

No malpractice history found for Florida.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Memorial University Of Newfoundland
    Undergraduate School | Graduated 1976
  • Memorial Hospital
    Medical School | Graduated 1978
  • Memorial University Of Newfoundland Faculty Of Medicine
    Medical School | Graduated 1978
  • Meml University
    Internship Hospital | Completed 1979
  • Memorial Hospital
    Residency Hospital | Completed 1982
  • Queens University
    Residency Hospital | Completed 1982
  • University of Toronto
    Residency Hospital | Completed 1980
  • Hospital Of The University Of Pennsylvania
    Fellowship Hospital | Completed 1985

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Cassidy has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Cassidy does not have any memberships or affiliations listed. If you are Dr. Cassidy and would like to add memberships or affiliations, please update your profile.

Dr. Cassidy's Reviews

Likelihood of recommending Dr. Cassidy to family and friends
4.6
based on 11 total reviews (6 with comments)
Dr. Cassidy's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    Under 10 minutes
Patient Comments (6)
in At. Petersburg, FL |
I met Dr Cassidy after an emergency room visit for a serious AFIB incident. He has been my cardiologist since. I recommend this Dr. To anyone seeking.an expert, Caring, and proficient cardiologist.
St Petersburg, FL |
Dr. Cassity explained all the various options of treatment. He took the time to listen my ideas, and then he answered all my questions. There was no pressure to follow a certain treatment.
in St Petersburg, FL |
Very likely
in St Petersburg, FL |
I have great confidence in Dr. Cassidy's care, knowledge and kindness. I surely would recommend him
in St Petersburg, FL |
Administration is easy and efficient, waiting time minimal. Dr. Cassidy is an exceptional physician. He is expert in his field, listens to patients and answers questions, and provides clear explanations. He is in our view one of the best practicing. Don't hesitate...
in madeira beach, fl |
Dr Cassidy spent enough time with me. I did not feel rushed. he answered all my questions.
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Visit Dr. Cassidy

Now Accepting New Patients
Dr. Cassidy accepts 10 insurance carriers
  • Accepts most major Health Plans. Please contact our office for details.
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Blue Cross Blue Shield
    Blue Card PPO
    Blue Cross Blue Shield PPO
  • Cigna
    Cigna HMO
    Cigna PPO
    Great West Healthcare-Cigna PPO
    Open Access
  • Coventry Health Care
    Group Plan PPO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Humana
    Choice Care PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • UnitedHealthCare
    Choice Plus POS
    Options PPO
    United Healthcare
  • WellCare

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Cassidy has admitting privileges

Northside Hospital &Tampa Bay Heart Institute
6000 49th St N
Saint Petersburg, FL 33709
View Hospital Profile
Largo Medical Center
201 14th St SW
Largo, FL 33770
View Hospital Profile
Palms of Pasadena Hospital
1501 Pasadena Ave S
South Pasadena, FL 33707
View Hospital Profile
St. Petersburg General Hospital
6500 38th Ave N
Saint Petersburg, FL 33710
View Hospital Profile
Largo Medical Center - Indian Rocks Campus
2025 Indian Rocks Rd S
Largo, FL 33774
View Hospital Profile
Bayfront Medical Center
701 6th St S
Saint Petersburg, FL 33701
View Hospital Profile
Saint Anthony's Hospital
1200 7th Ave N
Saint Petersburg, FL 33705
View Hospital Profile

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