Suffolk Heart Group, a New York-based, adult cardiology practice has offices on Long Island in Bay Shore and in Smithtown.

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You can request an appointment by completing our online appointment request form or by calling one of our offices.

Hours of Operation

  • Monday 7:00am - 4:00pm
  • Tuesday 7:00am - 4:00pm
  • Wednesday 7:00am - 4:00pm
  • Thursday 7:00am - 4:00pm
  • Friday 7:00am - 4:00pm
  • Saturday 7:00am - 10:00am

Patient Registration

For your convenience, we have provided the following registration forms for you to print and complete before your first office visit.

Download Patient Forms

About Us

Suffolk Heart Group's state-of-the-art diagnostic centers are staffed with eight board-certified cardiologists including two interventional cardiologists and a cardiac electrophysiologist with affiliations at a multitude of area-based hospitals. We offer a full range of services, including consultation and evaluation, exercise stress testing, diagnostic cardiac catheterization, cardiac interventional procedures, electrophysiology testing and ablation procedures. Our goal has always been to treat patients with respect, empathy, and professionalism.

Meet Our Physicians

Patient Education

We offer the latest in cutting edge cardiac diagnostic testing such as nuclear stress testing (Myoview and Thallium) with the state-of the-art GE Millennium Nuclear camera with high speed eIntegra computer platform. Decision-making, selection, and placement of the most sophisticated pacemakers and implantable cardiac defibrillators has become a standard for our practice. Understanding the rapid growth of cardiology, our physicians and nurse practitioners are dedicated to being lifelong learners on the “cutting edge” of cardiovascular medicine.

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"I have seen all of the doctors in this practice and without their expertise and in all phases of heart issues I probably wouldn't be writing this right now." - Read Full Testimonial >>

"Very pleasant office. I think a major portion of job interview must be showing that you can smile even when difficult patients make life troublesome. Everything clean and efficient and appointments are pretty much on time." - Read Full Testimonial >>

Suffolk Heart Group Heart Attack Prevention Program

What If You Could Prevent A Heart Attack?

Now Offering the first Heart Attack
Prevention Program

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The Heroes Heart Attack Prevention Program

Dr. David D'Agate featured in a public service announcement for a new innovative program The Heroes Heart Attack Prevention Program.