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.
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.
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.

Great doctor who takes his time and cares.
He is taking care of me for 12 years. Very nice, personable doctor. Highly recommend him.
A doctor who actually listens to you. Very compassionate & offers common sense solutions. Great doctor
Great Doctor has greatly helped me with efficiency and patience.
He’s absolutely the kindest, most thorough doctor. He takes his time to explain things, you can tell he genuinely cares. Both my husband and I are patients of Dr Zelenka, we are so grateful we found him
Dr.Jason is not only a medical Doctor he is a caring " physcian" !! .
Dr. Zelenka is thorough and has a great bedside manner. Very kind which puts you at ease quickly. Listens and gives helpful feedback to any health concerns I have. Great doctor.
He has been my Dr for 23 years.
Very friendly and professional
He is great!!!