Welcome to ICA Cardiology
Cardiology Specialists in Houston and Sugar Land, TX
Whether you are a patient seeking cardiology care or a referring physician, please know that our desire is to address your medical concerns in the most expedient manner, applying our knowledge and abilities to solving or treating your individual needs.
Interventional Cardiology Associates is a highly qualified and respected provider of cardiology services, specializing in the treatment of advanced and complex cardiac problems.
Founded by Albert E Raizner, M.D., who began practicing cardiology in the Texas Medical Center in the 1970’s and formed ICA in 1987, our team of cardiologists provide comprehensive prevention, general diagnostic, interventional cardiovascular and cardiac electrophysiology services. Our long-term stability, our experience and breadth of our services, along with our dedication and commitment to research in the advancement of the field of cardiology, have led to establishing our reputation as one of the premier cardiology groups in Texas.
With outpatient offices at the Texas Medical Center in Houston, Texas, and also in Sugar Land, Texas, we proudly serve the Greater Houston and surrounding areas, as well as patients from across the United States and internationally.
Our core values are embedded in our initials:
Integrity
Compassion
Accountability
We look forward to serving your cardiac needs.
Pay Your Bill Online
Payments can be made online using our secure payment portal.

News & Events
What's New at ICA
Know the Serious Side-Effects of a Stroke
Once the symptoms of a stroke appear, life-threatening problems can develop. That’s why it’s so important to seek medical help immediately. Things like increased pressure on the brain, blood pressure changes, and blood clots in the legs can all lead to further problems or even death.
Stroke Symptoms
If you suspect that you, or someone you know, is having a stroke, call 911 or other emergency services right away! A stroke usually happens suddenly but its symptoms may occur over several hours. With this guide you’ll discover a simple way to remember the main symptoms of a stroke.
BE FAST at identifying strokes
Anyone can have a stroke. Knowing the signs and calling emergency services right away makes recovery more likely—it can even save a life. The simple way to remember the main signs of a stroke is: BE FAST. BE FAST stands for: balance,