Jason Zelenka M.D.

Clearwater Cardiovascular Consultants

Cardiology: Congestive Heart Failure, Nuclear Cardiology, Preventive Cardiology, Stress Echocardiography, Transthoracic & Transesophageal Echocardiography

Safety Harbor, FL

Most recent review: 2 days ago New
5.0
790 Ratings
360 Comments

Dr. Jason Zelenka was born in Minnesota and raised in Upstate New York. A summa cum laude graduate of State University of New York at Albany, Dr. Zelenka received his medical degree from State University of New York College of Medicine at Syracuse. His internship and residencies were completed at Indiana University School of Medicine. Dr. Zelenka, under the tutelage of Harvey Feigenbaum, M.D., distinguished professor of medicine at Indiana University School of Medicine and recognized as “Father of Modern Echocardiography”, completed his cardiovascular fellowship at the Krannert Institute of Cardiology in Indianapolis where he served as chief cardiology fellow in 2002-2003 and completed a 7 month preceptorship in nuclear cardiology. Dr. Zelenka joined Clearwater Cardiovascular Consultants in 2003. Dr. Zelenka is a fellow of the American College of Cardiology and board certified in cardiovascular disease. He also holds credentials from the National Board of Echocardiography in adult comprehensive echocardiography. His interests include echocardiography, vascular ultrasound, nuclear cardiology, cardiac PET, and cardiac computed tomography. He is co-director of our vascular laboratories, active in our cardiac research studies, and is an Affiliate Assistant Professor at the University of South Florida College of Medicine. Dr. Zelenka is available to see patients at the Countryside office.

5.0
790 Ratings
360 Comments

Dr. Jason Zelenka was born in Minnesota and raised in Upstate New York. A summa cum laude graduate of State University of New York at Albany, Dr. Zelenka received his medical degree from State University of New York College of Medicine at Syracuse. His internship and residencies were completed at Indiana University School of Medicine. Dr. Zelenka, under the tutelage of Harvey Feigenbaum, M.D., distinguished professor of medicine at Indiana University School of Medicine and recognized as “Father of Modern Echocardiography”, completed his cardiovascular fellowship at the Krannert Institute of Cardiology in Indianapolis where he served as chief cardiology fellow in 2002-2003 and completed a 7 month preceptorship in nuclear cardiology. Dr. Zelenka joined Clearwater Cardiovascular Consultants in 2003. Dr. Zelenka is a fellow of the American College of Cardiology and board certified in cardiovascular disease. He also holds credentials from the National Board of Echocardiography in adult comprehensive echocardiography. His interests include echocardiography, vascular ultrasound, nuclear cardiology, cardiac PET, and cardiac computed tomography. He is co-director of our vascular laboratories, active in our cardiac research studies, and is an Affiliate Assistant Professor at the University of South Florida College of Medicine. Dr. Zelenka is available to see patients at the Countryside office.

The reviews listed below were collected independently of Clearwater Cardiovascular Consultants through rater8. Each review represents an authentic and verified patient experience.

Dr.Zelenka is the best!! This visit the wait time was too long.

(2 days ago) Sep-2026

I had an excellent experience as a new patient with Dr. Zelenka. He was kind, knowledgeable, and very attentive. He was on time, listened to my concerns and explained everything in a way that was easy for me to understand. I didn’t feel rushed, and I left the visit with a plan.

(3 days ago) Sep-2026

He’s very thorough and personable.

(1 week ago) Aug-2026

Best Cardiologist ever!

(2 weeks ago) Aug-2026

Top notch as usual

(2 weeks ago) Aug-2026

Very knowledgeable and up to date with novel holistic approach to prevention and management of cardiovascular disorders.

(2 weeks ago) Aug-2026

He’s the best!

(1 month ago) Aug-2026

DR. ZELENKA IS A FINE CARDIOLOGIST. PERSONABLE, VERY KNOWLEDGEABLE, THOROUGH. HE EXPLAINS WHAT IS HAPPENING AND TAKES CARE OF US. WE TRUST HIM

(1 month ago) Jul-2026

Dr Zelenka is extremely knowledgeable and thorough! He actually listens to what the patient has to say and discusses options to move forward with your care. I would highly recommend him and happy I found him as my cardiologist.

(1 month ago) Jul-2026

Always an excellent appointment with him.

(1 month ago) Jul-2026
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