EP Heart Doctor in Phoenix, AZ

The Heart Rhythm Institute of Arizona aims at keeping your heart in rhythm, one beat at a time. Our center is headed by Dr. John F. Beshai who is an internationally renowned and respected cardiologist. Patients from Phoenix and surrounding areas seek him for his expertise as well as his ability to instantly connect with them and make them feel at ease. He is a compassionate doctor whom patients and referring doctors seek with trust. Dr. Beshai is also committed to continued research and education, 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. He is a teacher of repute who understands the most basic medical student as well as the most advanced training level of cardiac electrophysiology fellow. Currently, Dr. Beshai is serving as a flight surgeon in the United States Air Force and he brings their core values to his practice as well – integrity first, service before self, and excellence in all we do.

Our patients are a priority at The Heart Rhythm Institute of Arizona, right from the moment they walk in. We understand how patients can get scared and anxious when they suffer from a heart concern, especially irregular and rapid heartbeats. Dr. Beshai is an extraordinary arrhythmia doctor who offers solutions to your heart issues with 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 with state-of-the-art techniques and current guidelines to help his patients from Phoenix. You can be assured of personalized care, complete understanding of your condition as well as the available options enabling you to make informed decisions.


Dr. Beshai is an expert in the diagnosis of complex heart rhythm abnormalities and device management. You can get a cardiac ultrasound at our center to check the movement and function of your heart, this helps to determine where the irregular activity stems from. Additionally, you can also avail of diagnostic services such as ECG with and without the exercise stress testing, this checks the electrical activity of your heart. You can get a portable device to check your heart’s activity known as the Holter Monitoring system. If you are experiencing cardiac issues, Dr. Beshai offers his patients an athlete physical examination which helps to determine if they are healthy enough to participate in sports and other strenuous activities. Here are the diagnostic choices our patients from Phoenix have:


Understandably, you may get anxious in case of a heart condition. Dr. Beshai offers the latest diagnostic tools which help determine your heart condition and helps us to develop the most optimal treatment plan for you. Our diagnostic tools help us to accurately diagnose and manage various heart conditions such as irregular heartbeats, heart rhythm issues (arrhythmias), rapid or chaotic heartbeats, or fainting. Certain conditions like cardiac sarcoidosis do not have a cure but Dr. Beshai offers you various solutions to manage it and ensure that it does not progress further. Our patients from Phoenix can prevent further complications and enjoy a healthier life in case they suffer from any of these conditions:


At the Heart Rhythm Institute of Arizona, our goal is the proper and accurate diagnosis of your cardiac concerns which helps us to customize your treatment plan. An irregular heartbeat or arrhythmias are regulated with the use of cardiac resynchronization therapy. This involves implanting either a pacemaker or an implantable cardioverter-defibrillator which ensures that any serious complications can be prevented in the future. Minimally invasive diagnostic procedures allow Dr. Beshai to study the electrical activity of your heart so that the reason for your irregular heartbeat can be determined. We also offer the WATCHMAN device which is a permanent heart implant and works as an alternative to lifelong medication and reduces your risks of a stroke. Here are the procedures our patients from Phoenix can benefit from:

About Phoenix, AZ

Phoenix is the capital and most populous city in Arizona. It is the anchor of the Phoenix metropolitan area and the only state capital with a population of more than one million residents. It is also known as the Valley of the Sun and in turn, is part of the Salt River Valley. With very hot summers and mild winters, Phoenix has a hot desert climate which is typical of the Sonoran Desert. The city has several performing art venues, mostly in and around Scottsdale and downtown Phoenix. The Phoenix Symphony Orchestra, Ballet Arizona, and the Arizona Opera are all part of the Phoenix Symphony Hall. The Orpheum theater which is home to the Phoenix Opera is also another famous venue. Dozens of museums also exist throughout the valley including the Phoenix Art Museum, Scottsdale Museum of Contemporary Art, Children’s Museum of Phoenix, and the Musical Instrument Museum. Phoenix is the home of a unique architectural tradition and community. Some of the architectural studios that are known for their unconventional approach to design include Paolo Soleri, Al Beadle, Will Bruder, and Wendell Burnette. Due to its natural environment and climate, Phoenix has several outdoor attractions and recreational activities. The Phoenix Zoo is the largest privately owned, non-profit zoo in the country and has an international reputation for animal conversation, including breeding and reintroducing endangered species back into the wild. There are many annual events you can enjoy while in Phoenix and these celebrate the heritage and diversity of the city.  

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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.