EP Heart Doctor in Scottsdale, AZ

Dr. John F. Beshai is an internationally renowned and respected cardiologist who is known as much for his research and expertise as he is for evoking an instant connection and confidence in his patients. He is a compassionate doctor who patients and referring doctors seek with trust; his research is published in major journals including The New England Journal of Medicine, Heart Rhythm, American Heart Journal, Journal of American College of Cardiology, and the American Journal of Cardiology. Dr. Beshai is a teacher of repute who understands the most basic medical student as well as the most advanced training level of cardiac electrophysiology fellow. He is currently serving as a flight surgeon in the United States Air Force and applies the core values to his practice as well – integrity first, service before self, and excellence in all we do.

The Heart Rhythm Institute of Arizona aims at keeping your heart in rhythm, one beat at a time. Our center is old-fashioned, and our patients remain a priority from the moment they walk in. We understand how scary it can be to suffer from a heart concern, especially irregular and rapid heartbeats. Dr. Beshai is an extraordinary arrhythmia doctor who offers solutions to your heart issues and exceptional care. With more than 15 years of experience serving as staff of prestigious institutions like the University of Chicago and the Mayo Clinic, he offers the most advanced approach using state-of-the-art techniques and current guidelines to help his patients from Scottsdale. We offer every patient customized care and ensure a complete understanding of your condition and the available options so that you can make a confident decision.


Dr. Beshai is an expert in the diagnosis of complex heart rhythm abnormalities and device management. We offer a cardiac ultrasound to check the movement and function of the heart to determine where the irregular activity stems from in addition to ECG with and without exercise stress testing, which checks the electrical activity of the heart. You can also get a portable device to check your heart’s activity known as the Holter Monitoring system. In case you have cardiac issues, Dr. Beshai offers patients an athlete physical examination that determines if they are healthy enough to participate in strenuous activities and sports. Patients from Scottsdale can undergo the following tests:


There are several heart conditions that Dr. Beshai can detect using the latest in diagnostic tools to determine what you are experiencing and then develop the best treatment plan. Whether you are experiencing irregular heartbeats, heart rhythm issues (arrhythmias), rapid or chaotic heartbeats, or fainting, we can help you manage the condition after an accurate diagnosis. Certain conditions like cardiac sarcoidosis cannot be cured but Dr. Beshai offers you solutions to manage it and ensure that your condition does not progress. Our patients from Scottsdale can prevent further complications and enjoy a healthier life despite these conditions:


At the Heart Rhythm Institute of Arizona, proper diagnosis of your cardiac concerns leads to the use of personalized treatment plans. An irregular heartbeat or arrhythmias are regulated with the use of cardiac resynchronization therapy involving a pacemaker or implantable cardioverter-defibrillator. These latest devices ensure that any serious cardiac complications can be prevented. Minimally invasive diagnostic procedures also allow Dr. Beshai to study the electrical activity of your heart to determine the reason for your irregular heartbeat. We also offer the WATCHMAN device which is a permanent heart implant that is an alternative to lifelong medication and reduces your risks of a stroke. Here are the procedures our patients from Scottsdale can benefit from:

About Scottsdale, AZ

Scottsdale is a desert city east of Phoenix, the state capital of Arizona. It is known for its golf courses, like the TPC Scottsdale, and spa resorts. In the north, there are trails that wind through the McDowell Sonoran Preserve, which is a desertscape of cacti, rock formations, and hills. This is where Taliesin West is also located, which is the former home and studio of architect Frank Llyod Wright. The Old Town Scottsdale downtown is a lovely place with 19th-century olive trees and buildings from the 1920s.

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Dr. Beshai is a board-certified electrophysiologist internationally renowned and respected for his expertise and research. Having published in major medical journals and travelled all over the world to present research, he is dedicated to providing innovative, state-of-the-art care to his patients.