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New York Cardiac Diagnostic Center – Request Appointment Online
To book a cardiologist appointment, head to the “Book Online” section on our website, and we’ll provide available times. For quicker assistance, call us directly at (212) 860-0796.
If you have symptoms suggesting a potential heart attack, such as shortness of breath, dizziness, and chest pain radiating to your arm, back, or neck, call 911 or go to the nearest ER immediately.



The Benefits of Same-Day Cardiology Appointments
We know problems with your heart can’t wait. That’s why we make scheduling easy—book a cardiac appointment online at a time that works for you.
Need an early morning check-up? A late-evening slot? Something in between? We’ve got you covered. And when it comes to heart health, acting fast can prevent serious issues down the road. If you’re experiencing concerning symptoms, don’t wait—call us, and we’ll do our best to get you in within 12 hours. With multiple locations across NYC, we’re here when you need us.

Cardiology Services Available for Online Booking
We specialize in diagnosing and managing all types of cardiovascular conditions, including chronic ones. Our services focus on advanced testing to provide accurate assessments and tailored care.
Some of the services we offer include:
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Cardiac Stress Test
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Cardiac Testing
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Heart Screening
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High Blood Pressure
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Arrhythmia Treatment
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Heart Valve Disease Treatment
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Atrial Fibrillation Treatment
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Heart Attack Treatment
With personalized treatment plans and a patient-centered approach during your cardiology appt, we ensure optimal heart health for all our patients.
With over 30 years of experience in clinical and diagnostic cardiology, Dr. Steven Reisman leads our team in providing exceptional care. To schedule a cardiology appointment, call us at (212) 860-0796. We offer same-day appointments when available and welcome new patients. We also work with most insurance plans, ensuring timely and accessible care.

Dr. Steven Reisman is an internationally recognized cardiologist and heart specialist. He is a member of the American College of Cardiology, American Heart Association, and a founding member of the American Society of Nuclear Cardiology.
Dr. Reisman has presented original research findings for the early detection of "high risk" heart disease and severe coronary artery disease at the annual meetings of both the American College of Cardiology and the American Heart Association. Dr. Reisman was part of a group of doctors with the Food and Drug Administration who evaluated the dipyridamole thallium testing technique before the FDA approved it.
Dr. Steven Reisman's academic appointments include Assistant Professor of Medicine at the University of California and Assistant Professor at SUNY. Hospital appointments include the Director of Nuclear Cardiology at the Long Island College Hospital.