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: 1 week ago Recent
5.0
804 Ratings
370 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
804 Ratings
370 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.

He is the best. Caring and thoughtful. I am so grateful that he accepted me as a patient.

(1 week ago) Sep-2026

Cordial, easy to talk to, very nice doctor!

(1 week ago) Sep-2026

Excellent care!

(1 week ago) Sep-2026

I’ve been seeing Dr. Zelenka for many years and I have the upmost confidence in him. He stayed on top of things, easy to talk with an extremely knowledgeable in all aspects of his field, without any doubt I’ve made the right decision with going with Dr. Zelenka

(2 weeks ago) Sep-2026

I have been a patient of Dr. Zelenka’s for a number of years and he will always be my cardiologist. He is caring, considerate, takes time with his patients and always listens to your concerns. I highly recommend him.

(2 weeks ago) Sep-2026

Jason is thorough and spends a good amount of time discussing status and strategy with me

(2 weeks ago) Sep-2026

He is a very competent Dr. appreciate his kindness.

(2 weeks ago) Sep-2026

He's a great doctor, but always runs behind in appointments.

(3 weeks ago) Sep-2026

Great consultation visit with Dr Zelenka. He was very informative, took his time with me, and answered all of my questions. A-#1 so far!

(3 weeks ago) Sep-2026

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

(3 weeks ago) Sep-2026