Dr. Dennis Cassidy, MD

Dr. Dennis Cassidy, MD

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Clinical Cardiac Electrophysiology  ·  
Male  ·  
66 y/o
(17)

Accepting new patients

Dr. Dennis Cassidy, MD is a clinical cardiac electrophysiologist in St Petersburg, FL and has been practicing for 33 years. He specializes in clinical cardiac electrophysiology, cardiology, and more.Read his story

The Heart Institute

6006 49th St N Ste 200

St Petersburg, FL 33709
Get Directions

Insurance Accepted

  • 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

Background Check

No malpractice claims found for Florida
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Cassidy's experience treating your condition or procedure

Dr. Cassidy's Top Procedures and Conditions

Treatment Frequency
Hypotension
very high
very high

Treatment Frequency

Dr. Cassidy treats Hypotension more than 100% of his peers

Dr. Cassidy treats this condition more than 100% of his peers

Rating Includes other areas of care:

  • Chronic Orthostatic Hypotension
  • Orthostatic Hypotension
Atrial Fibrillation
very high
very high

Treatment Frequency

Dr. Cassidy treats Atrial Fibrillation more than 100% of his peers

Dr. Cassidy treats this condition more than 100% of his peers

Rating Includes other areas of care:

  • Familial Atrial Fibrillation
Arrhythmias
very high
very high

Treatment Frequency

Dr. Cassidy treats Arrhythmias more than 100% of his peers

Dr. Cassidy treats this condition more than 100% of his peers

Rating Includes other areas of care:

  • Atrial Fibrillation
  • Cardiac Arrest
  • Familial Atrial Fibrillation
  • Multifocal Premature Beats
  • Paroxysmal Supraventricular Tachycardia
  • Ventricular Fibrillation
  • Ventricular Fibrillation, Idiopathic
  • Ventricular Fibrillation, Paroxysmal

Dr. Cassidy's conditions and procedures:

Ablation for Treatment of Cardiac Arrhythmias
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
Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
Autonomic Disorders
Autonomic Dysreflexia
Cardiac Catheterization (incl. Coronary Angiography)
Cardiac Electrophysiology
Cardiac Imaging
Cardiac Myocardial Perfusion Imaging
Cardiomegaly
Cardiomyopathy
Cardiovascular Stress Test
Cardioversion
Cardioversion, Elective
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Carotid Artery Disease
Carotid Ultrasound
Chest Pain
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Coarctation of the Aorta
Congenital Heart Defects
Congenital Heart Disease
Congestive Heart Failure
Coronary Angioplasty, Atherectomy and Stent
Coronary Artery Disease (CAD)
Dobutamine Stress Echocardiography
Echocardiography
Electrophysiological Study
Endocarditis
Heart Attack (Acute Myocardial Infarction)
Heart Disease
Heart Murmur
Heart Palpitations
Heart Surgery
Hyperlipidemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hypotension
Insertion of Epicardial Lead for Pacemaker or Cardioverter and-or Defibrillator
Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and-or Defibrillator
Limb Swelling
Limb Swelling Caused by Fluid Overload
Mitral Valve Disease
Mitral Valve Regurgitation
Mitral Valve Stenosis
Pacemaker Insertion or Replacement
Palpitations
Pericardial Disease
Peripheral Artery Catheterization
Primary Pulmonary Hypertension
Pulmonary Disease
Pulmonary Edema
Pulmonary Hypertension
Pulmonary Valve Disease
Removal or Revision of Pacemaker or Cardioverter and-or Defibrillator
Rheumatic Aortic Valve Disorders
Secondary Hypertension
Septal Defect
Stress Test
Syncope
Tetralogy of Fallot
Thoracentesis
Thrombosis
Tilt Table Testing
Tilt Testing or Cardiac Event Monitors
Tricuspid Valve Disease
Ultrasound, Cardiac
Vascular Disease
Vascular Duplex Ultrasonography and Plethysmography
Vascular Surgical Procedure

About Me

Care Philosophy

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...

Specialties

  • Clinical Cardiac Electrophysiology
  • Cardiology
  • Interventional Cardiology

Board Certifications

  • Cardiovascular Disease
  • Clinical Cardiac Electrophysiology
  • Internal Medicine

Education

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

Languages

  • Spanish
  • English

Awards

Dr. Cassidy's Reviews

Likelihood to recommend Dr. Cassidy

4.8

Based on 17 reviews

5 Stars
94.11764705882354%
(16)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
5.882352941176471%
(1)

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How likely are you to recommend
Dr. Cassidy?
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Average Wait Time
  • Under 10 minutes
Dr. Cassidy's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Dennis Cassidy, MD
Recent
Reply
Dr. Cassidy is great! After seeing many doctors who just wanted to jump the gun and do surgery on my heart he took the time to try medications to manage my condition. 4 years later I am doing much better and did not need surgery.
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He was very detailed on giving me the information on my heart . He spent the needed time with me
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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.
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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.
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Very likely
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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

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

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Cassidy treats patients.

Learn more

Palms Of Pasadena Hospital

South Pasadena, FL

Saint Anthony's Hospital

Saint Petersburg, FL

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