3 Best Cardiologists in St. Catharines, ON

Expert-recommended Top 3 Cardiologists in St. Catharines, ON. All of our cardiologists actually undergo a rigorous 50-Point Inspection, which includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and price - all to ensure overall excellence. You deserve only the best!

Dr. SK Sean Chiew - St Catharines, ON Cardiologists - Clinic Exterior Image
Dr. SK Sean Chiew - St Catharines, ON Cardiologists - Clinic Logo
7+ YEARS ON TBR
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DR. SK SEAN CHIEW

FOURTH AVENUE CARDIAC CLINIC
300 Fourth Avenue, Unit 1A,
St. Catharines, ON L2S 0E6 Directions

Since 2012

Specialty:

✓Electrocardiogram (ECG) ✓Chest Pain Treatment ✓Holter Monitoring ✓Loop Recorder ✓Left Ventricular (LV) Function Study ✓Stress Echo ✓Echocardiogram ✓Cardiac Consultation ✓Heart Attack and Failure ✓Cardiomyopathy ✓Stress Echocardiography ✓Treadmill Exercise Stress Test

"Dr. SK Sean Chiew graduated from Dalhousie University and completed his internal medicine residency at Memorial University. Dr. SK Sean Chiew finished his cardiology fellowship at the University of Western Ontario, specializing in transthoracic, transesophageal, and stress echocardiography. He currently practices at Fourth Avenue Cardiac Clinic, which strives to provide the highest standards of integrated and innovative cardiology services in the Niagara region. The clinic's mission is to deliver high-quality cardiology care to its patients. He is a fellow of the Royal College of Physicians of Canada and the American College of Cardiology. He is a Level III accredited echocardiologist and a member of the American Society of Echocardiography.

2026 Highlights: Dr. SK Sean Chiew is fluent in English, Mandarin, and Cantonese, allowing him to communicate effectively with a diverse range of patients."

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License #85978

Contact:

(905) 935-1010

Mon-Fri: 9am - 5pm
Sat: By Appointment
Sun: Closed

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Dr. Robert Mackett - St Catharines, ON Cardiologists - Consultation Image
11+ YEARS ON TBR
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DR. ROBERT MACKETT

145 Queenston Street, Suite 200A,
St. Catharines, ON L2R 2Z9 Directions

Since 1988

Specialty:

✓High Cholesterol ✓Congenital Heart Defects ✓Chest Pain ✓Heart Attack ✓Acute Myocardial Infarction ✓Arrythmia ✓Heart Failure ✓Atrial Fibrillation

“Dr. Robert Mackett received his medical degree from the University of Ottawa and has over 37 years of experience. Known for his empathy, expertise, and dedication, Dr. Robert Mackett is committed to improving his patients' cardiovascular health and providing life-changing insights and care. He employs cutting-edge, non-invasive technologies and consistently pursues innovative approaches to patient care. Dr. Robert Mackett's commitment to exceptional patient care is reflected in his quest for continuous improvement and active consultation and collaboration with fellow specialists to manage various disorders effectively. He is a fellow of the Royal College of Physicians and Surgeons of Canada.”

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License #51072

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Dr. Adnan Kazi Hameed - St Catharines, ON Cardiologists - Doctor Portrait Image
3+ YEARS ON TBR
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DR. ADNAN KAZI HAMEED

CARDIOLOGY ASSOCIATES OF NIAGARA
35 Albert Street West, Thorold,
St. Catharines, ON L2V 2G4 Directions

Since 2011

Specialty:

✓Heart Failure ✓Hypertension ✓Diagnostic Testing ✓Coronary Angiography ✓Advanced Therapies for Rhythm Abnormalities ✓Cardiomyopathy ✓Blocks and Arrests ✓High Blood Pressure ✓Chest Pain

"Dr. Adnan Kazi Hameed earned his Doctor of Medicine degree from the University of Manitoba in 2008 and completed his cardiology training at Dalhousie University in 2011. Dr. Hameed approaches all individuals under his care with the highest consideration and empathy. He actively listens and offers insightful recommendations, encouraging patients to contemplate their life decisions deeply. Known for his commitment to understanding the full context of patients' concerns, he adeptly addresses each issue to achieve superior outcomes. Dr. Hameed aims to improve his patients' well-being with thorough evaluations, education, and personalized treatments. He is a certified specialist with the Royal College of Physicians and Surgeons of Canada. Cardiology Associates of Niagara is affiliated with McMaster University, providing education to medical students and residents at all levels.

2026 Highlights: They offer a wide variety of non-invasive diagnostic testing and have rapid access to coronary angiography, cardiac surgery, advanced therapies for rhythm abnormalities and a multidisciplinary heart function clinic."

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License #97382

Contact:

(905) 935-0312

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

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