Dr. Jason Klein, M.D., is a board-certified cardiologist with extensive expertise in cardiovascular imaging, minimally invasive procedures, and comprehensive heart health care. After earning a Bachelor of Arts degree from the prestigious University of Pennsylvania and Medical Degree from Tel Aviv University School of Medicine, Dr. Klein continued his training with an internal medicine residency and cardiology fellowship at Banner Good Samaritan Medical Center (University of Arizona College of Medicine - Phoenix) where he served as Chief Cardiology Fellow.
Dr. Jason Klein, M.D., is a board-certified cardiologist with extensive expertise in cardiovascular imaging, minimally invasive procedures, and comprehensive heart health care. After earning a Bachelor of Arts degree from the prestigious University of Pennsylvania and Medical Degree from Tel Aviv University School of Medicine, Dr. Klein continued his training with an internal medicine residency and cardiology fellowship at Banner Good Samaritan Medical Center (University of Arizona College of Medicine - Phoenix) where he served as Chief Cardiology Fellow.
The reviews listed below were collected independently of Heart and Vascular Care of Arizona through rater8. Each review represents an authentic and verified patient experience.
I just love Jason Klein, he is a awesome Doctor, he is excellent at his job, and he is a very caring person.
(1 week ago)
Apr-2026
Dr. Klein answered my questions. We have plans to investigate my heart's function in March.
(1 month ago)
Apr-2026
Dr. Klein made sure to go over my results and made sure to bring me comfort.
Thank you
(1 month ago)
Mar-2026
Dr Klein is a thoughtful and caring professional with a focus on best possible patient outcomes.
(1 month ago)
Mar-2026
Excelente
(1 month ago)
Mar-2026
Dr. Klein was friendly and approachable. He answered all my questions in a way that I could understand.
(1 month ago)
Mar-2026
He always is very forth coming about how you are doing and discusses upcoming needed tests if any.
(1 month ago)
Mar-2026
A great listener, succinct, professional and friendly.
(1 month ago)
Mar-2026
Great manners, listen to my concern, encourage me to keep myself healthy
(2 months ago)
Mar-2026
He listen to what I had to tell him. He waited until I went to retrieve my CT scan results from my car.
(2 months ago)
Feb-2026
Read More
HVCA: Central Phoenix Office
1331 N. 7th Street Suite 375 Phoenix, AZ 85006
HVCA: West Phoenix Office
9305 W. Thomas Road Suite 270 Phoenix, AZ 85037
Dr. Jason Klein, M.D., is a board-certified cardiologist with extensive expertise in cardiovascular imaging, minimally invasive procedures, and comprehensive heart health care. As the Medical Director of the Echo and Vascular Imaging Lab at the Heart & Vascular Center of Arizona, he leads advancements in diagnosing and managing complex cardiovascular conditions.
After earning a Bachelor of Arts degree from the prestigious University of Pennsylvania and Medical Degree from Tel Aviv University School of Medicine, Dr. Klein continued his training with an internal medicine residency and cardiology fellowship at Banner Good Samaritan Medical Center (University of Arizona College of Medicine - Phoenix) where he served as Chief Cardiology Fellow. Dr. Klein is also a Fellow of the American College of Cardiology (FACC), underscoring his dedication to clinical excellence and leadership in cardiology.
Dr. Klein specializes in advanced diagnostic and invasive techniques, including transthoracic and transesophageal echocardiography, nuclear stress testing, and treatment of rhythm disorders such as pacemaker implantation and loop recorder insertion. He is particularly known for his expertise in treating varicose veins using minimally invasive catheter-based methods, helping patients return to their daily activities with minimal discomfort and downtime.
Patients value Dr. Klein’s compassionate, personalized approach to care. He ensures each patient understands their diagnosis and treatment options, fostering a collaborative relationship to achieve optimal health outcomes. Beyond his clinical practice, Dr. Klein serves as a Clinical Assistant Professor at the University of Arizona College of Medicine, and Program Director for the Abrazo Internal Medicine Residency Program, where he helps to train the next generation of physicians.
When not caring for patients, Dr. Klein contributes to cutting-edge cardiovascular research. He has been involved in clinical trials exploring innovative heart failure, atrial fibrillation, and valve disease treatments. His work has been published in leading medical journals, furthering advancements in cardiovascular medicine.
Outside of medicine, Dr. Klein enjoys traveling, playing soccer, skiing, and spending quality time with his family. His multilingual skills and global medical mission experience highlight his dedication to improving heart health both locally and internationally.
See other doctors in Heart and Vascular Care of Arizona
I just love Jason Klein, he is a awesome Doctor, he is excellent at his job, and he is a very caring person.
Dr. Klein answered my questions. We have plans to investigate my heart's function in March.
Dr. Klein made sure to go over my results and made sure to bring me comfort. Thank you
Dr Klein is a thoughtful and caring professional with a focus on best possible patient outcomes.
Excelente
Dr. Klein was friendly and approachable. He answered all my questions in a way that I could understand.
He always is very forth coming about how you are doing and discusses upcoming needed tests if any.
A great listener, succinct, professional and friendly.
Great manners, listen to my concern, encourage me to keep myself healthy
He listen to what I had to tell him. He waited until I went to retrieve my CT scan results from my car.